ldmtechnology.us
Online Status
Online
Server IP address resolved:YES
Http response code: 404
Response time: 0.21 sec.
Redirect Url:http://ldmtechnology.us/
Last Checked: 2021-10-30
ldmtechnology.us belongs to Shopify Inc.
ldmtechnology.us registered under .us top-level domain.
In accordance with Google Safe Browsing and Symantec ldmtechnology.us is pretty a safe domain.
![ldmtechnology.us](https://img.domain-bin.com/l/400/300/ldmtechnology.us.jpg)
Ldmtechnology.us Thumbnail
Related Keywords
HTTP/1.1 404 Not Found Date: Fri, 29 Oct 2021 19:26:24 GMT Content-Type: text/html; charset=utf-8 Connection: keep-alive X-Sorting-Hat-PodId: -1 X-Storefront-Renderer-Rendered: 1 Vary: Accept-Encoding X-Frame-Options: DENY Content-Security-Policy: frame-ancestors 'none'; X-ShopId: X-ShardId: -1 Vary: Accept X-Shopify-Stage: production X-Dc: gcp-us-central1,gcp-us-central1,gcp-us-central1 X-Request-ID: 38a525d4-b784-443a-b6d5-e4471b2bdbeb X-Content-Type-Options: nosniff X-Permitted-Cross-Domain-Policies: none X-XSS-Protection: 1; mode=block X-Download-Options: noopen CF-Cache-Status: DYNAMIC Server: cloudflare CF-RAY: 6a5ecb9ac81fd26a-DFW alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400, h3-28=":443"; ma=86400, h3-27=":443"; ma=86400
![](/images/safety/logo.png)
Overview
Last Updated: 08/22/2021
Unknown status.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
![](/images/safety/norton.png)
Norton Connect Safe
Last Updated: 04/01/2020
ldmtechnology.us is safe.
Norton ConnectSafe evaluates ldmtechnology.us for any unsafe and insecure content. The results are critical for families with young children.
Norton ConnectSafe evaluates ldmtechnology.us for any unsafe and insecure content. The results are critical for families with young children.
![](/images/safety/google.png)
Google Safe Search
Last Updated: 08/22/2021
Not yet checked.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
![](/images/safety/google_safe_browsing.png)
Google Safe Browsing
Last Updated: 04/02/2020
ldmtechnology.us is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
![](/images/safety/mcafee.png)
Site Advisor
Last Updated: 04/01/2021
ldmtechnology.us is safe.
McAfee assesses ldmtechnology.us for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze ldmtechnology.us for mature or inappropriate content, only security checks are evaluated.
McAfee assesses ldmtechnology.us for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze ldmtechnology.us for mature or inappropriate content, only security checks are evaluated.
![](/images/safety/wot.png)
Web of Trust
Last Updated: 2021-08-16 22:39:55
ldmtechnology.us child safety is
unknown.
The WOT calculates reputation of the ldmtechnology.us. This reputation system receives ratings from users and information from third-party sources, assesses the ldmtechnology.us for safety features and confirms, whether ldmtechnology.us is suitable for children.
The WOT calculates reputation of the ldmtechnology.us. This reputation system receives ratings from users and information from third-party sources, assesses the ldmtechnology.us for safety features and confirms, whether ldmtechnology.us is suitable for children.
Last Checked: 2021-10-30
Server Location 23.227.38.73
City: Ottawa
Region: Ontario
Country: Canada
Longitude: -75.692939758301
Latitude: 45.420658111572
WHOIS
Create Time: 2021-05-25
Exp Time: 2022-05-25
Registrar: Tucows Domains Inc.
Domain Whois
Domain Name: ldmtechnology.us Registry Domain ID: D534C704B1DAB45BDA1B1C3DBCBE5D629-NSR Registrar WHOIS Server: whois.opensrs.net Registrar URL: www.opensrs.com Updated Date: 2021-08-18T15:48:31Z Creation Date: 2021-05-25T15:42:35Z Registry Expiry Date: 2022-05-25T15:42:35Z Registrar: Tucows Domains Inc. Registrar IANA ID: 69 Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +1.4165350123 Domain Status: ok https://icann.org/epp#ok Registry Registrant ID: CE5C3C16C7AA344EA9F641DDA37E7F853-NSR Registrant Name: Luz Jeter Registrant Organization: LDM Technology Registrant Street: 6441 N Broad st 2nd FL Registrant City: PHILADELPHIA Registrant State/Province: PA Registrant Postal Code: 19126 Registrant Country: US Registrant Phone: +1.4847698348 Registrant Fax: +1.4847698348 Registrant Email: [email protected] Registrant Application Purpose: P1 Registrant Nexus Category: C11 Registry Admin ID: C5A067BACE73D42BCB2A959B22ACEF85A-NSR Admin Name: Luz Jeter Admin Organization: LDM Technology Admin Street: 6441 N Broad st 2nd FL Admin City: PHILADELPHIA Admin State/Province: PA Admin Postal Code: 19126 Admin Country: US Admin Phone: +1.4847698348 Admin Fax: +1.4847698348 Admin Email: [email protected] Registry Tech ID: C1D4A050FD7474E11BAAE43E2536FD10C-NSR Tech Name: Luz Jeter Tech Organization: LDM Technology Tech Street: 6441 N Broad st 2nd FL Tech City: PHILADELPHIA Tech State/Province: PA Tech Postal Code: 19126 Tech Country: US Tech Phone: +1.4847698348 Tech Fax: +1.4847698348 Tech Email: [email protected] Name Server: ns-cloud-c2.googledomains.com Name Server: ns-cloud-c1.googledomains.com Name Server: ns-cloud-c4.googledomains.com Name Server: ns-cloud-c3.googledomains.com DNSSEC: unsigned >>> Last update of WHOIS database: 2022-02-07T13:05:45Z <<<
DNS Records
Host | A Record | TTL |
---|---|---|
ldmtechnology.us. | 23.227.38.73 | 86400 |
Host | NS Record | TTL |
---|---|---|
ldmtechnology.us. | ns-cloud-c3.googledomains.com. | 21600 |
ldmtechnology.us. | ns-cloud-c1.googledomains.com. | 21600 |
ldmtechnology.us. | ns-cloud-c2.googledomains.com. | 21600 |
ldmtechnology.us. | ns-cloud-c4.googledomains.com. | 21600 |
Host | MX Record | Priority | TTL |
---|---|---|---|
ldmtechnology.us. | mx.ldmtechnology.us.cust.b.hostedemail.com. | 1 | 86400 |
ns-cloud-c1.googledomains.com.
TTL: 21600
Email address: cloud-dns-hostmaster.google.com.
Serial: 1
Refresh: 21600
Retry: 3600
Expire: 259200
Minimum: 300
miamitechnologyusa.com
quantaxtechnology.com
technology-allcom.com
technologyorganizers.com
myamitech.com
primetechnology-me.com
bene-technology.com
technologyholders.com
atlantistechnologyco.com
miamiedtech.com
matrixtechnology.ca
3dtechnology.mx
onesourcetechnology.com
covenanttechnology.net
opentechnologyuk.com
miamitecsolutions.com
madtechnology.it
miamitechpod.com
miami-institute.com
technology-experts.de
scam-technology.com
miamivalleyvcca.org
fusion1technology.com
seqtechnology.co
quantaxtechnology.com
technology-allcom.com
technologyorganizers.com
myamitech.com
primetechnology-me.com
bene-technology.com
technologyholders.com
atlantistechnologyco.com
miamiedtech.com
matrixtechnology.ca
3dtechnology.mx
onesourcetechnology.com
covenanttechnology.net
opentechnologyuk.com
miamitecsolutions.com
madtechnology.it
miamitechpod.com
miami-institute.com
technology-experts.de
scam-technology.com
miamivalleyvcca.org
fusion1technology.com
seqtechnology.co
ldmtechnology.us
ldmechnology.us
ldmtchnology.us
ldmtechnlogy.us
ldmtechnolgy.us
ldmtechnolog.us
ldmtechnology.s
ldmtechnology.u
ldmtechnologyus
ldmtechnoloy.us
ldmtechnoogy.us
ldmtechology.us
ldmtecnology.us
ldmtehnology.us
ldtechnology.us
lmtechnology.us
lddmtechnology.us
ldmmtechnology.us
ldmtecchnology.us
ldmtechhnology.us
ldmtechnnology.us
ldmtechnollogy.us
ldmtechnologgy.us
ldmtechnology..us
ldmtechnology.uss
ldmtechnology.uus
ldmtechnologyy.us
ldmtechnoloogy.us
ldmtechnoology.us
ldmteechnology.us
ldmttechnology.us
lldmtechnology.us
dlmtechnology.us
ldmetchnology.us
ldmtcehnology.us
ldmtechnloogy.us
ldmtechnolgoy.us
ldmtechnolog.yus
ldmtechnology.su
ldmtechnologyu.s
ldmtechnoloyg.us
ldmtechnoolgy.us
ldmtechonlogy.us
ldmtecnhology.us
ldmtehcnology.us
ldtmechnology.us
lmdtechnology.us
kdmtechnology.us
ldmrechnology.us
ldmtecgnology.us
ldmtechbology.us
ldmtechmology.us
ldmtechnilogy.us
ldmtechnokogy.us
ldmtechnoligy.us
ldmtechnolofy.us
ldmtechnologt.us
ldmtechnologu.us
ldmtechnology.is
ldmtechnology.ua
ldmtechnology.ud
ldmtechnology.ys
ldmtechnolohy.us
ldmtechnolpgy.us
ldmtechnplogy.us
ldmtecjnology.us
ldmtevhnology.us
ldmtexhnology.us
ldmtrchnology.us
ldmtwchnology.us
ldmyechnology.us
ldntechnology.us
lfmtechnology.us
lsmtechnology.us
ldfmtechnology.us
ldmntechnology.us
ldmtechgnology.us
ldmtechjnology.us
ldmtechnbology.us
ldmtechnmology.us
ldmtechnoilogy.us
ldmtechnolkogy.us
ldmtechnologfy.us
ldmtechnologhy.us
ldmtechnology.uis
ldmtechnology.usa
ldmtechnology.usd
ldmtechnology.uys
ldmtechnologyt.us
ldmtechnologyu.us
ldmtechnoloigy.us
ldmtechnolopgy.us
ldmtechnoplogy.us
ldmtecvhnology.us
ldmtecxhnology.us
ldmterchnology.us
ldmtewchnology.us
ldmtrechnology.us
ldmtyechnology.us
ldsmtechnology.us
lkdmtechnology.us
ldmtechnologyus.com
wwwldmtechnology.us
l-dmtechnology.us
ld-mtechnology.us
ldm-technology.us
ldmt-echnology.us
ldmte-chnology.us
ldmtec-hnology.us
ldmtech-nology.us
ldmtechn-ology.us
ldmtechno-logy.us
ldmtechnol-ogy.us
ldmtechnolo-gy.us
ldmtechnolog-y.us
ldmtechnology-.us
ldmtechnology.-us
ldmtechnology.u-s
ldmtechnologies.us
ldmtachnology.us
ldmtechnalagy.us
ldmtechnelegy.us
ldmtechniligy.us
ldmtechnology.as
ldmtechnology.es
ldmtechnology.os
ldmtechnulugy.us
ldmtichnology.us
ldmtochnology.us
ldmtuchnology.us
ldmtechknowlogy.us
ldmtechnolowgy.us
ddmtechnology.us
hdmtechnology.us
ld-technology.us
ldetechnology.us
lditechnology.us
ldltechnology.us
ldm4echnology.us
ldmdechnology.us
ldmpechnology.us
ldmtdchnology.us
ldmteahnology.us
ldmtebhnology.us
ldmtech.ology.us
ldmtechfology.us
ldmtechjology.us
ldmtechlology.us
ldmtechnglogy.us
ldmtechnklogy.us
ldmtechnmlogy.us
ldmtechnnlogy.us
ldmtechnodogy.us
ldmtechnohogy.us
ldmtechnolggy.us
ldmtechnolkgy.us
ldmtechnolmgy.us
ldmtechnolngy.us
ldmtechnolocy.us
ldmtechnoloey.us
ldmtechnolog9.us
ldmtechnologi.us
ldmtechnologq.us
ldmtechnologx.us
ldmtechnology.5s
ldmtechnology.qs
ldmtechnology.ts
ldmtechnology.u3
ldmtechnology.uc
ldmtechnology.uq
ldmtechnology.ur
ldmtechnology.uw
ldmtechnology.ws
ldmtechnologynus
ldmtechnolooy.us
ldmtechnolowy.us
ldmtechnomogy.us
ldmtechnonogy.us
ldmtechoology.us
ldmtecinology.us
ldmteclnology.us
ldmtecxnology.us
ldmteghnology.us
ldmtekhnology.us
ldmteshnology.us
ldmtgchnology.us
ldmtmchnology.us
ldmuechnology.us
ldmvechnology.us
ldotechnology.us
lemtechnology.us
llmtechnology.us
ltmtechnology.us
mdmtechnology.us
ndmtechnology.us
1dmtechno1ogy.us
1dmtechnology.us
lclmtechnology.us
ldmtechn0l0gy.us
ldmtechn0logy.us
ldmtechno1ogy.us
ldmtechnol0gy.us
ldrntechnology.us
ldmtechnology.com
ldmtechnology.org
ldmtechnology.net
ldmtechnology.xyz
ldmtechnology.info
ldmtechnology.top
ldmtechnology.online
ldmtechnology.shop
ldmtechnology.site
ldmtechnology.biz
ldmtechnology.club
ldmtechnology.app
ldmtechnology.live
ldmtechnology.store
ldmtechnology.pro
ldmtechnology.tech
ldmtechnology.goog
ldmtechnology.vip
ldmtechnology.dev
ldmtechnology.fun
ldmtechnology.life
ldmtechnology.space
ldmtechnology.buzz
ldmtechnology.blog
ldmtechnology.asia
ldmtechnology.work
ldmtechnology.link
ldmtechnology.one
ldmtechnology.art
ldmtechnology.website
ldmtechnology.news
ldmtechnology.edu
ldmtechnology.cat
ldmtechnology.digital
ldmtechnology.finance
ldmtechnology.gov
ldmtechnology.cloud
ldmtechnology.mobi
ldmtechnology.agency
ldmtechnology.tokyo
ldmtechnology.world
ldmtechnology.icu
ldmtechnology.click
ldmtechnology.design
ldmtechnology.studio
ldmtechnology.media
ldmtechnology.today
ldmtechnology.win
ldmtechnology.ltd
ldmtechnology.network
ldmtechnology.cfd
ldmtechnology.group
ldmtechnology.guru
ldmtechnology.global
ldmtechnology.nyc
ldmtechnology.bar
ldmtechnology.academy
ldmtechnology.name
ldmtechnology.solutions
ldmtechnology.games
ldmtechnology.bet
ldmtechnology.wiki
ldmtechnology.best
ldmtechnology.company
ldmtechnology.travel
ldmtechnology.host
ldmtechnology.fit
ldmtechnology.coop
ldmtechnology.lol
ldmtechnology.sbs
ldmtechnology.team
ldmtechnology.rocks
ldmtechnology.center
ldmtechnology.zone
ldmtechnology.aero
ldmtechnology.church
ldmtechnology.plus
ldmtechnology.care
ldmtechnology.uno
ldmtechnology.wtf
ldmtechnology.ink
ldmtechnology.page
ldmtechnology.city
ldmtechnology.monster
ldmtechnology.africa
ldmtechnology.rest
ldmtechnology.love
ldmtechnology.education
ldmtechnology.market
ldmtechnology.services
ldmtechnology.bio
ldmtechnology.marketing
ldmtechnology.school
ldmtechnology.ovh
ldmtechnology.run
ldmtechnology.video
ldmtechnology.jobs
ldmechnology.us
ldmtchnology.us
ldmtechnlogy.us
ldmtechnolgy.us
ldmtechnolog.us
ldmtechnology.s
ldmtechnology.u
ldmtechnologyus
ldmtechnoloy.us
ldmtechnoogy.us
ldmtechology.us
ldmtecnology.us
ldmtehnology.us
ldtechnology.us
lmtechnology.us
lddmtechnology.us
ldmmtechnology.us
ldmtecchnology.us
ldmtechhnology.us
ldmtechnnology.us
ldmtechnollogy.us
ldmtechnologgy.us
ldmtechnology..us
ldmtechnology.uss
ldmtechnology.uus
ldmtechnologyy.us
ldmtechnoloogy.us
ldmtechnoology.us
ldmteechnology.us
ldmttechnology.us
lldmtechnology.us
dlmtechnology.us
ldmetchnology.us
ldmtcehnology.us
ldmtechnloogy.us
ldmtechnolgoy.us
ldmtechnolog.yus
ldmtechnology.su
ldmtechnologyu.s
ldmtechnoloyg.us
ldmtechnoolgy.us
ldmtechonlogy.us
ldmtecnhology.us
ldmtehcnology.us
ldtmechnology.us
lmdtechnology.us
kdmtechnology.us
ldmrechnology.us
ldmtecgnology.us
ldmtechbology.us
ldmtechmology.us
ldmtechnilogy.us
ldmtechnokogy.us
ldmtechnoligy.us
ldmtechnolofy.us
ldmtechnologt.us
ldmtechnologu.us
ldmtechnology.is
ldmtechnology.ua
ldmtechnology.ud
ldmtechnology.ys
ldmtechnolohy.us
ldmtechnolpgy.us
ldmtechnplogy.us
ldmtecjnology.us
ldmtevhnology.us
ldmtexhnology.us
ldmtrchnology.us
ldmtwchnology.us
ldmyechnology.us
ldntechnology.us
lfmtechnology.us
lsmtechnology.us
ldfmtechnology.us
ldmntechnology.us
ldmtechgnology.us
ldmtechjnology.us
ldmtechnbology.us
ldmtechnmology.us
ldmtechnoilogy.us
ldmtechnolkogy.us
ldmtechnologfy.us
ldmtechnologhy.us
ldmtechnology.uis
ldmtechnology.usa
ldmtechnology.usd
ldmtechnology.uys
ldmtechnologyt.us
ldmtechnologyu.us
ldmtechnoloigy.us
ldmtechnolopgy.us
ldmtechnoplogy.us
ldmtecvhnology.us
ldmtecxhnology.us
ldmterchnology.us
ldmtewchnology.us
ldmtrechnology.us
ldmtyechnology.us
ldsmtechnology.us
lkdmtechnology.us
ldmtechnologyus.com
wwwldmtechnology.us
l-dmtechnology.us
ld-mtechnology.us
ldm-technology.us
ldmt-echnology.us
ldmte-chnology.us
ldmtec-hnology.us
ldmtech-nology.us
ldmtechn-ology.us
ldmtechno-logy.us
ldmtechnol-ogy.us
ldmtechnolo-gy.us
ldmtechnolog-y.us
ldmtechnology-.us
ldmtechnology.-us
ldmtechnology.u-s
ldmtechnologies.us
ldmtachnology.us
ldmtechnalagy.us
ldmtechnelegy.us
ldmtechniligy.us
ldmtechnology.as
ldmtechnology.es
ldmtechnology.os
ldmtechnulugy.us
ldmtichnology.us
ldmtochnology.us
ldmtuchnology.us
ldmtechknowlogy.us
ldmtechnolowgy.us
ddmtechnology.us
hdmtechnology.us
ld-technology.us
ldetechnology.us
lditechnology.us
ldltechnology.us
ldm4echnology.us
ldmdechnology.us
ldmpechnology.us
ldmtdchnology.us
ldmteahnology.us
ldmtebhnology.us
ldmtech.ology.us
ldmtechfology.us
ldmtechjology.us
ldmtechlology.us
ldmtechnglogy.us
ldmtechnklogy.us
ldmtechnmlogy.us
ldmtechnnlogy.us
ldmtechnodogy.us
ldmtechnohogy.us
ldmtechnolggy.us
ldmtechnolkgy.us
ldmtechnolmgy.us
ldmtechnolngy.us
ldmtechnolocy.us
ldmtechnoloey.us
ldmtechnolog9.us
ldmtechnologi.us
ldmtechnologq.us
ldmtechnologx.us
ldmtechnology.5s
ldmtechnology.qs
ldmtechnology.ts
ldmtechnology.u3
ldmtechnology.uc
ldmtechnology.uq
ldmtechnology.ur
ldmtechnology.uw
ldmtechnology.ws
ldmtechnologynus
ldmtechnolooy.us
ldmtechnolowy.us
ldmtechnomogy.us
ldmtechnonogy.us
ldmtechoology.us
ldmtecinology.us
ldmteclnology.us
ldmtecxnology.us
ldmteghnology.us
ldmtekhnology.us
ldmteshnology.us
ldmtgchnology.us
ldmtmchnology.us
ldmuechnology.us
ldmvechnology.us
ldotechnology.us
lemtechnology.us
llmtechnology.us
ltmtechnology.us
mdmtechnology.us
ndmtechnology.us
1dmtechno1ogy.us
1dmtechnology.us
lclmtechnology.us
ldmtechn0l0gy.us
ldmtechn0logy.us
ldmtechno1ogy.us
ldmtechnol0gy.us
ldrntechnology.us
ldmtechnology.com
ldmtechnology.org
ldmtechnology.net
ldmtechnology.xyz
ldmtechnology.info
ldmtechnology.top
ldmtechnology.online
ldmtechnology.shop
ldmtechnology.site
ldmtechnology.biz
ldmtechnology.club
ldmtechnology.app
ldmtechnology.live
ldmtechnology.store
ldmtechnology.pro
ldmtechnology.tech
ldmtechnology.goog
ldmtechnology.vip
ldmtechnology.dev
ldmtechnology.fun
ldmtechnology.life
ldmtechnology.space
ldmtechnology.buzz
ldmtechnology.blog
ldmtechnology.asia
ldmtechnology.work
ldmtechnology.link
ldmtechnology.one
ldmtechnology.art
ldmtechnology.website
ldmtechnology.news
ldmtechnology.edu
ldmtechnology.cat
ldmtechnology.digital
ldmtechnology.finance
ldmtechnology.gov
ldmtechnology.cloud
ldmtechnology.mobi
ldmtechnology.agency
ldmtechnology.tokyo
ldmtechnology.world
ldmtechnology.icu
ldmtechnology.click
ldmtechnology.design
ldmtechnology.studio
ldmtechnology.media
ldmtechnology.today
ldmtechnology.win
ldmtechnology.ltd
ldmtechnology.network
ldmtechnology.cfd
ldmtechnology.group
ldmtechnology.guru
ldmtechnology.global
ldmtechnology.nyc
ldmtechnology.bar
ldmtechnology.academy
ldmtechnology.name
ldmtechnology.solutions
ldmtechnology.games
ldmtechnology.bet
ldmtechnology.wiki
ldmtechnology.best
ldmtechnology.company
ldmtechnology.travel
ldmtechnology.host
ldmtechnology.fit
ldmtechnology.coop
ldmtechnology.lol
ldmtechnology.sbs
ldmtechnology.team
ldmtechnology.rocks
ldmtechnology.center
ldmtechnology.zone
ldmtechnology.aero
ldmtechnology.church
ldmtechnology.plus
ldmtechnology.care
ldmtechnology.uno
ldmtechnology.wtf
ldmtechnology.ink
ldmtechnology.page
ldmtechnology.city
ldmtechnology.monster
ldmtechnology.africa
ldmtechnology.rest
ldmtechnology.love
ldmtechnology.education
ldmtechnology.market
ldmtechnology.services
ldmtechnology.bio
ldmtechnology.marketing
ldmtechnology.school
ldmtechnology.ovh
ldmtechnology.run
ldmtechnology.video
ldmtechnology.jobs