`b2bsd.att.com`

CNAME	`b2bsde.att.com`
DNSSEC	⚠️ Not signed
A	144.160.219.84^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
NS	`gslb1c.attdns.com` ⚠️ Not in zone NS records
		A	135.209.156.17^{🇺🇸 AS797135.209.156.0/24}
			PTR	`gslb1c.attdns.com`
NS	`gslb2c.attdns.com` ⚠️ Not in zone NS records
		A	144.160.215.254^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
			PTR	`gslb2c.attdns.com`
NS	`gslb3c.attdns.com` ⚠️ Not in zone NS records
		A	170.35.215.82^{🇺🇸 AS797170.35.208.0/20}
			PTR	`gslb3c.attdns.com`

`att.com`

	DNSSEC	⚠️ Not signed
	A	144.160.36.42^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
	A	144.160.155.43^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
	NS	`ns0.attdns.com` ⭐
	NS	`a1-187.akam.net`
	NS	`a11-65.akam.net`
	NS	`a2-64.akam.net`
	NS	`a22-67.akam.net`
	NS	`a4-64.akam.net`
	NS	`a5-66.akam.net`
	MX	`mx0a-00191d01.pphosted.com` ⭐
	MX	`mx0b-00191d01.pphosted.com` ⭐
	TXT	`_nf8m5hisjvxnliy43grrkcxt4775nre`
	TXT	`docusign=96684378-d4b4-426b-aa46-f484dcce317e`
	TXT	`Dynatrace-site-verification=3ff882c3-ce12-4bdd-854f-c18fdfce82c2__j2sdcrg6o0f...`
	TXT	`docusign=7c207f4f-1463-48ab-8a42-401d5a790153`
	TXT	`jamf-site-verification=UPRluCUJKO0tlsh28talrg`
	TXT	`ff43041c-55f9-42c5-8263-b168f015ec68`
	TXT	`docker-verification=232baaa1-27ce-477a-a437-abe005244414`
	TXT	`safebreach-domain-verification=87a47aa8-9dcf-4fc6-a0dc-645f6d8f16b7`
	TXT	`docusign=cd78ab12-bff3-4e95-9d5e-40b4a6c64e28`
	TXT	`postman-domain-verification=feeae2e09f081a0e723f0c57fe50bfc708665e79e72cffbf5...`
	TXT	`2a35e1cb-656a-4618-b343-cb814065d867`
	TXT	`_lf5ez32jnsfjm9iqdgwqkvmtxmni1bv`
	TXT	`google-site-verification=_tbHFE4ZquVgPnU4yn9c8mM4AwjDcnyvHYpUyY9W9A0`
	TXT	`docusign=edf26ba5-075c-448c-a7b4-fd68e78606b3`
	TXT	`smartsheet-site-validation=p-TbLkF_n2KWTVSks3oGAlqmEY11P06i`
	TXT	`smartsheet-site-validation=xn6t8IWievWUEBY9LJQzhTPfVsa5dWTk`
	TXT	`google-site-verification=GfKQDZJmtFjAfLwMo0CpJSgUgQ14s6EGeH8btHERCzY`
	TXT	`google-site-verification=61mMnbAFkug5Ga66TxJwJnHrccqsdXgjaYX4Dzh4fg4`
	TXT	`jamf-site-verification=Kzw-u7InjZzANk8Hd_p1Bw`
	TXT	`MS=ms45660825`
	TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all`
	TXT	`_pvc1rwav561hkrmdq14aycsq5pps8xi`
	TXT	`box-domain-verification=73b38eccd6cf3094f59070cc1471ea94d8c8a433f4e6808d99034...`
	TXT	`flexera-domain-verification-imnjnkcqfpmvinpy`
	TXT	`twilio-domain-verification=b527bfa6770ac367fc9912a1caa06323`
	TXT	`smartsheet-site-validation=YXtB3id9XhZfupfHmACXFew-Tegm1G_p`
	TXT	`hcp-domain-verification=25fbb0ef8d96ac4f31233dc30aabe5c5ac473f766bc5e1095ddf3...`
	TXT	`google-site-verification=TDlxuIuUQhu-wSUgoz8Tuvpeevqqo4Kge7S-EJFFzrA`
	TXT	`apple-domain-verification=qvUUeo4rzNYBawy1GneDePGHTd_5bbfaFla5mf1Rql8`
	TXT	`censys-domain-verification=78kpf_YXBG6iZmORvVAIMSeoT9qA_Abl2TQ1NQ5BmvI2`
	TXT	`cisco-ci-domain-verification=3d21883a6bafd629173aea778e9e524288c5b6d037f0c3d6...`
	TXT	`4879c66f-d011-43dc-873c-ce5803b4d5a7`
	TXT	`mongodb-site-verification=XeRo7LCGNcMSCGuvCKB6RHi7fZwUjRIW`
	TXT	`atlassian-domain-verification=sKDPLDFqqK6UKBe8hXqLj7n47sRNeN4C0TLWOyJI9jhbsY0...`
	TXT	`jamf-site-verification=g-kOVDxo7U0trPWTXbALxg`
	TXT	`onetrust-domain-verification=8ec279170ab14b708f0330e786a9619e`
	TXT	`google-site-verification=aEiNNWvbfCYfvmE1MB5FDlfTOXscCUfCQSBf5BsZnFQ`
	TXT	`figma-domain-verification=3818f0fcaa32c5ce227b1121b999753e8708a904218ffd80578...`
	TXT	`mixpanel-domain-verify=29364abe-5921-4f15-b1f9-92c168b99888`
	TXT	`canva-site-verification=xZkTnltkjuFr7azCq9432w`
	TXT	`asv=811eb48ffe1a2bd2ca5ba9d4bc7d9737`
	TXT	`smartsheet-site-validation=WTesoI8BTRnVCtpax7RXsu095_-01e-g`
	TXT	`TXT=apple-domain-verification=qvUUeo4rzNYBawy1GneDePGHTd_5bbfaFla5mf1Rql8`
	TXT	`formstack-domain-verification=179e16ba598bd6f0b295bc7de613ba7c`
	TXT	`7af66ea0-faa0-4d61-a1ff-7624b9d97465`
	TXT	`BeJQ5GrhdR+RKZkfNVneBsIUT2NVqTZB01Y2FXf2+THpvzgedgBjuxOsk3Ub41a8xwwOOxLu+mJTF...`
	TXT	`paloaltonetworks-site-verification=7b609d2323474fad0529ed82de1c57e250820f838c...`
	TXT	`_o7unzg1f3flq9gplgrxiex76xucouzs`
	TXT	`Dynatrace-site-verification=782efa98-fcb0-4599-9392-282c3417bb85__mh2ditpbjlp...`
	TXT	`Dynatrace-site-verification=26243c34-7393-4498-bfcd-7a0cc073ef06__limahdkrv1b...`
	TXT	`bv-domain-verification=38433e129a5a4d49af430708b3d204a9ccdc03e981b1773fb2ad2b...`
	SOA	`ns0.attdns.com`eiss-dns@att.com 2026-05-10 #1

WOT: SAFE (92/100)
rank #891 globally
rank #495 in the tld
This domain name "att.com" is associated with AT&T Inc., an American multinational conglomerate holding company. AT&T is one of the world's largest telecommunications companies and the largest provider of mobile telephone services in the U.S. The domain is primarily used for their official website where they offer details about their services, products, customer support, and more.WOT: SAFE (92/100)
📈 Tranco rank: #1,463

Same first word

b2bsd.com

Similar names

sdb2b.net

2sbdb.kr

sdb2b.com

dsb2b.com

sdb2b.cn

DNS History

4 records (1 active, 3 former)

○A144.160.221.362015-07-23 → 2015-11-24 · 4 obs

● 2015-07-23 06:06:38
● 2015-11-24 02:28:34
○ 2016-03-08 22:10:58
○ 2026-05-11 19:43:40

○A144.161.8.572016-03-08 → 2016-07-15 · 5 obs

○ 2015-11-24 02:28:34
● 2016-03-08 22:10:58
● 2016-07-15 14:27:38
○ 2021-09-09 15:12:36
○ 2026-05-11 19:43:40

○CNAMEb2bsd.it.b2b.attdns.net2015-07-23 → 2015-11-24 · 4 obs

● 2015-07-23 06:06:38
● 2015-11-24 02:28:34
○ 2016-03-08 22:10:58
○ 2026-05-11 19:43:40

●CNAMEb2bsde.att.com2016-03-08 → 2026-05-11 · 3 obs

○ 2015-11-24 02:28:34
● 2016-03-08 22:10:58
● 2026-05-11 19:43:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
att.com	a5-66.akam.net, a22-67.akam.net, a11-65.akam.net, a2-64.akam.net...	-

✅ Authoritative Response

Server:95.100.174.64

NS records: a5-66.akam.net, a22-67.akam.net, a11-65.akam.net, a2-64.akam.net, a1-187.akam.net, a4-64.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for att.com (unsigned zone)

⏱️ Timing

Total: 2955ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`b2bsde.att.com`

Analysis

IP Addresses

b2bsd.att.com resolves to a single IP address: 144.160.219.84.

Other host names, for instance b2bsde.att.com, share IP numbers with b2bsd.att.com.

Name Servers

b2bsd.att.com is delegated to three name servers: gslb1c.attdns.com, gslb2c.attdns.com and gslb3c.attdns.com.

b2bsd.att.com at least partially shares name servers with other domains, including b2bsase.att.com, planning-collab.att.com, b2bece.att.com, b2baguatse.atttest.com and siptwopmoss.att.com.

Hostnames with a single IP:

gslb1c.attdns.com points to: 135.209.156.17.

gslb2c.attdns.com points to: 144.160.215.254.

gslb3c.attdns.com points to: 170.35.215.82.

b2bsd.att.com - robtex.com

b2bsd.att.com

att.com