dot.bi

att.com

HTTPS live Well protected DNSSEC unsigned Akamai Proofpoint
“att” in other TLDs Compare
DNS, hosting, email and name analysis are live. Registration data, the home-page probe, the archive lookup and the other-TLD check are being fetched in the background; this page refreshes itself in a few seconds.

Registration

Source: RDAP · rdap.verisign.com Fetched 2026-10-14 07:34 UTC
Created
1986-04-25 (40 years ago)
Expires
2027-04-26 (6 months from now)
Last updated
2026-04-22
Registrar
CSC Corporate Domains, Inc. · IANA 299
Statuses
client transfer prohibitedserver delete prohibitedserver transfer prohibitedserver update prohibited
DNSSEC
Unsigned
Nameservers (registry)
a1-187.akam.net · a11-65.akam.net · a2-64.akam.net · a22-67.akam.net · a4-64.akam.net · a5-66.akam.net
Record
registry RDAP · registrar RDAP

DNS

Source: live resolutionResolved 2026-10-15 15:56 UTC
TypeValue
NSa1-187.akam.net · a11-65.akam.net · a2-64.akam.net · a22-67.akam.net · a4-64.akam.net · a5-66.akam.net
A144.160.155.43
A144.160.36.42
MX10 mxa-00191d01.gslb.pphosted.com
MX10 mxb-00191d01.gslb.pphosted.com
MX20 mx0a-00191d01.pphosted.com
MX20 mx0b-00191d01.pphosted.com
TXT7af66ea0-faa0-4d61-a1ff-7624b9d97465
TXTgoogle-site-verification=61mMnbAFkug5Ga66TxJwJnHrccqsdXgjaYX4Dzh4fg4
TXTopenai-domain-verification=dv-8mZDN6uQdVFZqUS1INx46eTX
TXTtwilio-domain-verification=b527bfa6770ac367fc9912a1caa06323
TXTmongodb-site-verification=XfGZRasxOg2vmMw4Bq0fmxB5i8mxHP57
TXTsafebreach-domain-verification=87a47aa8-9dcf-4fc6-a0dc-645f6d8f16b7
TXTatlassian-domain-verification=sKDPLDFqqK6UKBe8hXqLj7n47sRNeN4C0TLWOyJI9jhbsY0Lz0lagoRG9756r6y2
TXTdocusign=cd78ab12-bff3-4e95-9d5e-40b4a6c64e28
TXT_nf8m5hisjvxnliy43grrkcxt4775nre
TXTdocusign=edf26ba5-075c-448c-a7b4-fd68e78606b3
TXTmixpanel-domain-verify=29364abe-5921-4f15-b1f9-92c168b99888
TXTanthropic-domain-verification-gwxhjr=xYTl1LLbzEOKWZYjmzjMKm9zm
TXTff43041c-55f9-42c5-8263-b168f015ec68
TXTcensys-domain-verification=78kpf_YXBG6iZmORvVAIMSeoT9qA_Abl2TQ1NQ5BmvI2
TXT_o7unzg1f3flq9gplgrxiex76xucouzs
TXTv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
TXTgoogle-site-verification=TDlxuIuUQhu-wSUgoz8Tuvpeevqqo4Kge7S-EJFFzrA
TXTjamf-site-verification=g-kOVDxo7U0trPWTXbALxg
TXTbv-domain-verification=38433e129a5a4d49af430708b3d204a9ccdc03e981b1773fb2ad2b897fe2e2eb
TXTgoogle-site-verification=GfKQDZJmtFjAfLwMo0CpJSgUgQ14s6EGeH8btHERCzY
TXT_pvc1rwav561hkrmdq14aycsq5pps8xi
TXTjamf-site-verification=Kzw-u7InjZzANk8Hd_p1Bw
TXT2a35e1cb-656a-4618-b343-cb814065d867
TXTBeJQ5GrhdR+RKZkfNVneBsIUT2NVqTZB01Y2FXf2+THpvzgedgBjuxOsk3Ub41a8xwwOOxLu+mJTFDrYINC2nw==
TXTjamf-site-verification=UPRluCUJKO0tlsh28talrg
TXTmongodb-site-verification=aksKamJjSOb7wjKkmOBL0yBoCcDkTD5w
TXTapple-domain-verification=B3sYImneRJaRig6Z?
TXT_lf5ez32jnsfjm9iqdgwqkvmtxmni1bv
TXTdocusign=7c207f4f-1463-48ab-8a42-401d5a790153
TXTgoogle-site-verification=y2jV9rmyQx1kZNZuEhu5QqjLPGACb_JSzClilwj4Dr0
TXTgoogle-site-verification=_tbHFE4ZquVgPnU4yn9c8mM4AwjDcnyvHYpUyY9W9A0
TXTgoogle-site-verification=aEiNNWvbfCYfvmE1MB5FDlfTOXscCUfCQSBf5BsZnFQ
TXT4879c66f-d011-43dc-873c-ce5803b4d5a7
TXTdocusign=96684378-d4b4-426b-aa46-f484dcce317e
TXTwindsurf-verification=lqhQVISbUb5fsOn2Yc0xZyf6v1RamtpB4_erNYSM4fU=
SOAns0.attdns.com eiss-dns.att.com serial 2026101403

Certificates

Source: Certificate Transparency logs
First certificate seen
2026-10-13 21:42 UTC since dot.bi started watching
Last certificate seen
2026-10-15 13:11 UTC
Certificates observed
240
Issuers
Google Trust Services, DigiCert Inc

Hosting

Source: DNS + Team Cymru
IP
144.160.155.43
Network
AS797 · AMERITECH-AS - AT&T Services, Inc., US
Provider
AT&T Services
Country
US (network registration, not server location)
CDN
Akamai
IPv6
no

Web

Source: dot.bi probeProbed 2026-10-14 07:34 UTC
Status
200
Redirects
https://att.com/ (301) → https://www.att.com/ (200)
Final URL
https://www.att.com/
Title
AT&T Official Site | Our Best Wireless & Internet Service
Description
Get our best deals on phones and internet, backed by the AT&T Guarantee. Shop the latest devices, get 24/7 support, and manage your account online.
Server
—
Technologies
Vue.js
HSTS
yes

Email

Source: DNS

Well protected Mail is authenticated and spoofed mail is rejected.

Provider
Proofpoint
SPF
present all: softfail
DMARC
p=reject reports on
DKIM
not found common selectors only

Age

Source: Wayback Machine
First capture
looking up…
Years archived
—
Registry created
1986-04-25
In dot.bi since
2026-10-13 · Majestic Million

Name analysis

dot.bi dictionaries EN · FR
Words
att EN single
Length
3 characters
Digits · hyphens
none · none
Readability
high
Brandability
90 / 100 heuristic

Same name, other TLDs

DNS check, cached a day
DomainResolvesIn dot.bi
att.net yes profile
att.org yes look up
att.io yes look up
att.co yes look up
att.ai yes look up
att.app yes look up
att.dev yes profile
att.fr yes look up
“No DNS” means no nameservers answered. It does not mean the domain is available.

History observed by dot.bi

Since 2026-10-131 events
Mail servers changed: 10 mx0a-00191d01.pphosted.com, 10 mx0b-00191d01.pphosted.com, 20 mxa-00191d01.gslb.pphosted.com, 20 mxb-00191d01.gslb.pphosted.com → 10 mxa-00191d01.gslb.pphosted.com, 10 mxb-00191d01.gslb.pphosted.com, 20 mx0a-00191d01.pphosted.com, 20 mx0b-00191d01.pphosted.com