`seicmsst.att.com`

	DNSSEC	⚠️ Not signed
	A	2001:1890:1286:110::f:1016^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
	A	144.160.107.91^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}

`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	`smartsheet-site-validation=WTesoI8BTRnVCtpax7RXsu095_-01e-g`
	TXT	`docusign=7c207f4f-1463-48ab-8a42-401d5a790153`
	TXT	`Dynatrace-site-verification=782efa98-fcb0-4599-9392-282c3417bb85__mh2ditpbjlp...`
	TXT	`mixpanel-domain-verify=29364abe-5921-4f15-b1f9-92c168b99888`
	TXT	`twilio-domain-verification=b527bfa6770ac367fc9912a1caa06323`
	TXT	`asv=811eb48ffe1a2bd2ca5ba9d4bc7d9737`
	TXT	`canva-site-verification=xZkTnltkjuFr7azCq9432w`
	TXT	`Dynatrace-site-verification=3ff882c3-ce12-4bdd-854f-c18fdfce82c2__j2sdcrg6o0f...`
	TXT	`docusign=edf26ba5-075c-448c-a7b4-fd68e78606b3`
	TXT	`jamf-site-verification=Kzw-u7InjZzANk8Hd_p1Bw`
	TXT	`_lf5ez32jnsfjm9iqdgwqkvmtxmni1bv`
	TXT	`_o7unzg1f3flq9gplgrxiex76xucouzs`
	TXT	`google-site-verification=aEiNNWvbfCYfvmE1MB5FDlfTOXscCUfCQSBf5BsZnFQ`
	TXT	`_nf8m5hisjvxnliy43grrkcxt4775nre`
	TXT	`google-site-verification=TDlxuIuUQhu-wSUgoz8Tuvpeevqqo4Kge7S-EJFFzrA`
	TXT	`postman-domain-verification=feeae2e09f081a0e723f0c57fe50bfc708665e79e72cffbf5...`
	TXT	`censys-domain-verification=78kpf_YXBG6iZmORvVAIMSeoT9qA_Abl2TQ1NQ5BmvI2`
	TXT	`smartsheet-site-validation=YXtB3id9XhZfupfHmACXFew-Tegm1G_p`
	TXT	`BeJQ5GrhdR+RKZkfNVneBsIUT2NVqTZB01Y2FXf2+THpvzgedgBjuxOsk3Ub41a8xwwOOxLu+mJTF...`
	TXT	`docusign=96684378-d4b4-426b-aa46-f484dcce317e`
	TXT	`google-site-verification=_tbHFE4ZquVgPnU4yn9c8mM4AwjDcnyvHYpUyY9W9A0`
	TXT	`flexera-domain-verification-imnjnkcqfpmvinpy`
	TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all`
	TXT	`box-domain-verification=73b38eccd6cf3094f59070cc1471ea94d8c8a433f4e6808d99034...`
	TXT	`safebreach-domain-verification=87a47aa8-9dcf-4fc6-a0dc-645f6d8f16b7`
	TXT	`bv-domain-verification=38433e129a5a4d49af430708b3d204a9ccdc03e981b1773fb2ad2b...`
	TXT	`Dynatrace-site-verification=26243c34-7393-4498-bfcd-7a0cc073ef06__limahdkrv1b...`
	TXT	`ff43041c-55f9-42c5-8263-b168f015ec68`
	TXT	`google-site-verification=61mMnbAFkug5Ga66TxJwJnHrccqsdXgjaYX4Dzh4fg4`
	TXT	`apple-domain-verification=qvUUeo4rzNYBawy1GneDePGHTd_5bbfaFla5mf1Rql8`
	TXT	`onetrust-domain-verification=8ec279170ab14b708f0330e786a9619e`
	TXT	`jamf-site-verification=UPRluCUJKO0tlsh28talrg`
	TXT	`7af66ea0-faa0-4d61-a1ff-7624b9d97465`
	TXT	`docusign=cd78ab12-bff3-4e95-9d5e-40b4a6c64e28`
	TXT	`TXT=apple-domain-verification=qvUUeo4rzNYBawy1GneDePGHTd_5bbfaFla5mf1Rql8`
	TXT	`smartsheet-site-validation=xn6t8IWievWUEBY9LJQzhTPfVsa5dWTk`
	TXT	`mongodb-site-verification=XeRo7LCGNcMSCGuvCKB6RHi7fZwUjRIW`
	TXT	`paloaltonetworks-site-verification=7b609d2323474fad0529ed82de1c57e250820f838c...`
	TXT	`figma-domain-verification=3818f0fcaa32c5ce227b1121b999753e8708a904218ffd80578...`
	TXT	`jamf-site-verification=g-kOVDxo7U0trPWTXbALxg`
	TXT	`docker-verification=232baaa1-27ce-477a-a437-abe005244414`
	TXT	`smartsheet-site-validation=p-TbLkF_n2KWTVSks3oGAlqmEY11P06i`
	TXT	`cisco-ci-domain-verification=3d21883a6bafd629173aea778e9e524288c5b6d037f0c3d6...`
	TXT	`MS=ms45660825`
	TXT	`google-site-verification=GfKQDZJmtFjAfLwMo0CpJSgUgQ14s6EGeH8btHERCzY`
	TXT	`hcp-domain-verification=25fbb0ef8d96ac4f31233dc30aabe5c5ac473f766bc5e1095ddf3...`
	TXT	`_pvc1rwav561hkrmdq14aycsq5pps8xi`
	TXT	`2a35e1cb-656a-4618-b343-cb814065d867`
	TXT	`atlassian-domain-verification=sKDPLDFqqK6UKBe8hXqLj7n47sRNeN4C0TLWOyJI9jhbsY0...`
	TXT	`4879c66f-d011-43dc-873c-ce5803b4d5a7`
	TXT	`formstack-domain-verification=179e16ba598bd6f0b295bc7de613ba7c`
	SOA	`ns0.attdns.com`eiss-dns@att.com 2026-05-11 #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

PTR for

91.107.160.144.in-addr.arpa

Similar names

csmsites.com

smcsites.com

cmssites.be

DNS History

2 records (2 active, 0 former)

●A144.160.107.912018-08-07 → 2026-05-12 · 2 obs

● 2018-08-07 09:59:52
● 2026-05-12 10:13:50

●A2001:1890:1286:110::f:10162018-08-07 → 2026-05-12 · 2 obs

● 2018-08-07 09:59:52
● 2026-05-12 10:13:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, h.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:84.53.139.65

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: 535ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`144.160.107.91`
AAAA	1	`2001:1890:1286:110::f:1016`

Analysis

IP Addresses

The entity seicmsst.att.com points to two IP numbers: 2001:1890:1286:110::f:1016 and 144.160.107.91.

For instance, other host names seitropodev.test.att.com, seicms.att.com, seiupt.att.com, seifdust.att.com and seifdu.att.com share IP numbers with seicmsst.att.com.

seicmsst.att.com - robtex.com

seicmsst.att.com

att.com