Check-Host.cc

Domain

att.com

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Run a live full scan of att.com

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

Deep-scan now
Hosting IPs
A/AAAA targets
Subdomains
CT + scan + body
Record Types
seen in DNS
Observed Certs
in our scans

DNS Records

A
144.160.155.43, 144.160.36.42
AAAA
MX
10 mx0a-00191d01.pphosted.com, 10 mx0b-00191d01.pphosted.com, 20 mxa-00191d01.gslb.pphosted.com, 20 mxb-00191d01.gslb.pphosted.com
NS
a1-187.akam.net, a11-65.akam.net, a2-64.akam.net, a22-67.akam.net, a4-64.akam.net, a5-66.akam.net
TXT
2a35e1cb-656a-4618-b343-cb814065d867, 4879c66f-d011-43dc-873c-ce5803b4d5a7, 7af66ea0-faa0-4d61-a1ff-7624b9d97465, BeJQ5GrhdR+RKZkfNVneBsIUT2NVqTZB01Y2FXf2+THpvzgedgBjuxOsk3Ub41a8xwwOOxLu+mJTFDrYINC2nw==, Dynatrace-site-verification=058ff43f-7455-4b16-9ecf-e461fe59943a__b0tng3mq3f18q7ntnf69n36k9v, Dynatrace-site-verification=26243c34-7393-4498-bfcd-7a0cc073ef06__limahdkrv1bd21697aol40vunm, Dynatrace-site-verification=3ff882c3-ce12-4bdd-854f-c18fdfce82c2__j2sdcrg6o0fu8vd8gbisih971s, Dynatrace-site-verification=782efa98-fcb0-4599-9392-282c3417bb85__mh2ditpbjlp812bru80aog9k9g
CNAME
CAA

WHOIS / Registration

Registration data planned

Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.

Subdomains

Subdomain enumeration pending

Every subdomain ever issued a TLS cert under this apex — extracted from Certificate Transparency logs, our own scan observations and body references.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Subject: dcpselfservice.uc.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: dcpselfservice.uc.att.com
Subject: *.wireless.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.wireless.att.com
Subject: geolink-igw.cloud.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: geolink-igw.cloud.att.com
Subject: *.officeathand.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.officeathand.att.com
Subject: mail.umwelt-werkstatt.com
Issuer: SwissSign RSA TLS DV ICA 2022 - 1
SANs: autodiscover.umwelt-werkstatt.com, mail.umwelt-werkstatt.com, umwelt-werkstatt.com
Subject: hvd-intl01.att.com
Issuer: ATandT INTL CA 5
SANs: defrahvdacc10.intl.att.com, defrahvdacc11.intl.att.com, hvd-intl01.att.com
Subject: *.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.att.com
Subject: *.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.att.com
Subject: *.stage.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.stage.att.com
Subject: www.hyatt.com
Issuer: Entrust Certification Authority - L1K
SANs: careers.hyatt.com, cfgmgr.hyatt.com, cfgmgr.prod.hyatt.com, crl.hyatt.com, ecalert.hyatt.com, gpiapp.hyatt.com, gpiapp.prod.hyatt.com, hyatt.jobs, hyattconnect.com, public.hyatt.com, sccm.hyatt.com, search.hyatt.jobs, sspr.hyattidm.com, support.hyatt.com, support.prod.hyatt.com, thrive.hyatt.com, www.hyatt.com, www.hyatt.jobs, www.hyattconnect.com, www.meetingsondemand.hyatt.com
Subject: hvd-intl04.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: hvd-intl04.att.com, mxpblhvdue805.intl.att.com, mxpblhvdue806.intl.att.com, mxpblhvdue807.intl.att.com
Subject: *.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.att.com
Subject: *.officeathand.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.officeathand.att.com
Subject: rivianiotgw.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: rivianiotgw.att.com
Subject: sasvpdlr2vdna.itn.labs.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: sasvpdlr2vdna.itn.labs.att.com
Subject: atttv-shopauth.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: atttv-shopauth.att.com, b2bprod.idp.blogin.att.com, canopy-leaf-playground.att.com, canopy-leaf.att.com, canopy-swu-playground.att.com, canopy-swu.att.com, enterprisemm7.att.com, fiserv.idp.clogin.att.com, fiserv.stage.clogin.att.com, idptest.stage.blogin.att.com, inlet-access.att.com, inlet-access.stage.att.com, relay-attone-dev.att.com, relay-attone-qa.att.com, relay-attone.att.com, test-atttv-shopauth.att.com
Subject: *.stage.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.stage.att.com
Subject: um-to-akamai.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: em.att.com, um-to-akamai.att.com, um.att.com, vm.att.com
Subject: *.stage.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.stage.att.com
Subject: *.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.att.com
Subject: commesse.coprikompatt.com
Issuer: YR1
SANs: commesse.coprikompatt.com, preventivatore.coprikompatt.com
Subject: *.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.att.com
Subject: *.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.att.com
Subject: www.lumipatt.com
Issuer: GlobalSign GCC R3 DV TLS CA 2020
SANs: lumipatt.com, www.lumipatt.com
Subject: ssotneon-dev.az.cloud.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: ssotneon-dev.az.cloud.att.com
Subject: techdocs.acdn.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: techdocs.acdn.att.com
Subject: *.officeathand.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.officeathand.att.com
Subject: *.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.att.com
Subject: atttv-shopauth.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: atttv-shopauth.att.com, b2bprod.idp.blogin.att.com, canopy-leaf-playground.att.com, canopy-leaf.att.com, canopy-swu-playground.att.com, canopy-swu.att.com, enterprisemm7.att.com, fiserv.idp.clogin.att.com, fiserv.stage.clogin.att.com, idptest.stage.blogin.att.com, inlet-access.att.com, inlet-access.stage.att.com, relay-attone-dev.att.com, relay-attone-qa.att.com, relay-attone.att.com, test-atttv-shopauth.att.com
Subject: davispratt.com
Issuer: YR2
SANs: davispratt.com, www.davispratt.com

IPs Citing This Domain

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

75.60.239.206:80 href · ×2

Origin / IP-Leak

USP

When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.

No origin-IP leaks detected (yet)

Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.

Threat Intelligence

Domain threat-intel pending

Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.

History

Passive DNS — every value this name ever resolved to and when we first / last observed it. Updates every cycle of our forward-DNS crawler.

Type Value First seen Last seen
TXT _pvc1rwav561hkrmdq14aycsq5pps8xi 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT apple-domain-verification=qvUUeo4rzNYBawy1GneDePGHTd_5bbfaFla5mf1Rql8 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT 4879c66f-d011-43dc-873c-ce5803b4d5a7 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT figma-domain-verification=3818f0fcaa32c5ce227b1121b999753e8708a904218ffd805789e9e388d3b2b1-1726063491 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT TAILSCALE-Bv871JyEIXj5CEycfGc0 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
A 144.160.155.43 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT 2a35e1cb-656a-4618-b343-cb814065d867 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT jamf-site-verification=UPRluCUJKO0tlsh28talrg 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT Dynatrace-site-verification=782efa98-fcb0-4599-9392-282c3417bb85__mh2ditpbjlp812bru80aog9k9g 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT mongodb-site-verification=XeRo7LCGNcMSCGuvCKB6RHi7fZwUjRIW 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT smartsheet-site-validation=p-TbLkF_n2KWTVSks3oGAlqmEY11P06i 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT google-site-verification=TDlxuIuUQhu-wSUgoz8Tuvpeevqqo4Kge7S-EJFFzrA 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT cisco-ci-domain-verification=3d21883a6bafd629173aea778e9e524288c5b6d037f0c3d6c5502e26de950929 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT google-site-verification=aEiNNWvbfCYfvmE1MB5FDlfTOXscCUfCQSBf5BsZnFQ 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT canva-site-verification=xZkTnltkjuFr7azCq9432w 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT atlassian-domain-verification=sKDPLDFqqK6UKBe8hXqLj7n47sRNeN4C0TLWOyJI9jhbsY0Lz0lagoRG9756r6y2 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT Dynatrace-site-verification=26243c34-7393-4498-bfcd-7a0cc073ef06__limahdkrv1bd21697aol40vunm 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT 7af66ea0-faa0-4d61-a1ff-7624b9d97465 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
NS a11-65.akam.net 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
NS a2-64.akam.net 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT docusign=96684378-d4b4-426b-aa46-f484dcce317e 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
NS a22-67.akam.net 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT bv-domain-verification=38433e129a5a4d49af430708b3d204a9ccdc03e981b1773fb2ad2b897fe2e2eb 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT Dynatrace-site-verification=3ff882c3-ce12-4bdd-854f-c18fdfce82c2__j2sdcrg6o0fu8vd8gbisih971s 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT safebreach-domain-verification=87a47aa8-9dcf-4fc6-a0dc-645f6d8f16b7 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT docker-verification=232baaa1-27ce-477a-a437-abe005244414 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT censys-domain-verification=78kpf_YXBG6iZmORvVAIMSeoT9qA_Abl2TQ1NQ5BmvI2 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
MX 10 mx0b-00191d01.pphosted.com 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT postman-domain-verification=feeae2e09f081a0e723f0c57fe50bfc708665e79e72cffbf5c3997f88b0d53e29d66415fab1f04b9277adb2ce29f63622bffd65aecbe9b19ef45d9565d91c095 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT onetrust-domain-verification=8ec279170ab14b708f0330e786a9619e 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT smartsheet-site-validation=WTesoI8BTRnVCtpax7RXsu095_-01e-g 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT asv=811eb48ffe1a2bd2ca5ba9d4bc7d9737 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT hcp-domain-verification=25fbb0ef8d96ac4f31233dc30aabe5c5ac473f766bc5e1095ddf3acbbd476cee 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT TXT=apple-domain-verification=qvUUeo4rzNYBawy1GneDePGHTd_5bbfaFla5mf1Rql8 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT twilio-domain-verification=b527bfa6770ac367fc9912a1caa06323 2026-05-26 02:26:35.941 2026-07-22 22:42:31.630
TXT ff43041c-55f9-42c5-8263-b168f015ec68 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT _lf5ez32jnsfjm9iqdgwqkvmtxmni1bv 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT MS=ms45660825 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT google-site-verification=_tbHFE4ZquVgPnU4yn9c8mM4AwjDcnyvHYpUyY9W9A0 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT BeJQ5GrhdR+RKZkfNVneBsIUT2NVqTZB01Y2FXf2+THpvzgedgBjuxOsk3Ub41a8xwwOOxLu+mJTFDrYINC2nw== 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT docusign=7c207f4f-1463-48ab-8a42-401d5a790153 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
SRV _sipfederationtls._tcp 10 0 5061 sipfed.online.lync.com 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT jamf-site-verification=g-kOVDxo7U0trPWTXbALxg 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
NS a1-187.akam.net 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT smartsheet-site-validation=YXtB3id9XhZfupfHmACXFew-Tegm1G_p 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
A 144.160.36.42 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT formstack-domain-verification=179e16ba598bd6f0b295bc7de613ba7c 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT google-site-verification=61mMnbAFkug5Ga66TxJwJnHrccqsdXgjaYX4Dzh4fg4 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
MX 10 mx0a-00191d01.pphosted.com 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT docusign=cd78ab12-bff3-4e95-9d5e-40b4a6c64e28 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT _o7unzg1f3flq9gplgrxiex76xucouzs 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT google-site-verification=GfKQDZJmtFjAfLwMo0CpJSgUgQ14s6EGeH8btHERCzY 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT docusign=edf26ba5-075c-448c-a7b4-fd68e78606b3 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT paloaltonetworks-site-verification=7b609d2323474fad0529ed82de1c57e250820f838c6cf105968b6a77906acebb 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
NS a4-64.akam.net 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
NS a5-66.akam.net 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT jamf-site-verification=Kzw-u7InjZzANk8Hd_p1Bw 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT smartsheet-site-validation=xn6t8IWievWUEBY9LJQzhTPfVsa5dWTk 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT flexera-domain-verification-imnjnkcqfpmvinpy 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT box-domain-verification=73b38eccd6cf3094f59070cc1471ea94d8c8a433f4e6808d990349214e4482ce 2026-05-26 02:26:35.941 2026-07-17 20:57:13.438
TXT _nf8m5hisjvxnliy43grrkcxt4775nre 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT mixpanel-domain-verify=29364abe-5921-4f15-b1f9-92c168b99888 2026-05-26 02:26:35.941 2026-07-25 17:23:34.977
TXT yahoo-verification-key=GviNXlzv91UkJZJFVWSmqIXqf6wEXxJ/5I9BuaGLw8E= 2026-05-27 03:47:25.145 2026-07-16 01:18:33.528
MX 20 mxb-00191d01.gslb.pphosted.com 2026-06-16 16:35:54.148 2026-07-25 17:23:34.977
MX 20 mxa-00191d01.gslb.pphosted.com 2026-06-16 16:35:54.148 2026-07-25 17:23:34.977
TXT Dynatrace-site-verification=058ff43f-7455-4b16-9ecf-e461fe59943a__b0tng3mq3f18q7ntnf69n36k9v 2026-06-19 02:46:03.321 2026-07-17 20:57:13.438
TXT asv=399b97cf00daa985360fbb35c9a6e4ec 2026-06-19 02:46:03.321 2026-07-17 20:57:13.438
TXT mongodb-site-verification=aksKamJjSOb7wjKkmOBL0yBoCcDkTD5w 2026-07-15 20:04:13.980 2026-07-25 17:23:34.977
TXT google-site-verification=y2jV9rmyQx1kZNZuEhu5QqjLPGACb_JSzClilwj4Dr0 2026-07-15 20:04:13.980 2026-07-25 17:23:34.977
TXT windsurf-verification=lqhQVISbUb5fsOn2Yc0xZyf6v1RamtpB4_erNYSM4fU= 2026-07-21 04:14:30.569 2026-07-25 17:23:34.977