`planning-collab.att.com`

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

DNS History

4 records (3 active, 1 former)

●NSgslb1c.attdns.com2026-03-08 → 2026-05-11 · 2 obs

● 2026-03-08 22:03:36
● 2026-05-11 23:52:10

●NSgslb2c.attdns.com2026-03-08 → 2026-05-11 · 2 obs

● 2026-03-08 22:03:36
● 2026-05-11 23:52:10

●NSgslb3c.attdns.com2026-03-08 → 2026-05-11 · 2 obs

● 2026-03-08 22:03:36
● 2026-05-11 23:52:10

○A144.160.241.1482017-04-18 → 2021-10-19 · 4 obs

● 2017-04-18 08:16:58
● 2021-10-19 23:03:14
○ 2026-03-08 22:03:36
○ 2026-05-11 23:52:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net...	-
att.com	a5-66.akam.net, a22-67.akam.net, a11-65.akam.net, a2-64.akam.net...	-
planning-collab.att.com	gslb1c.attdns.com, gslb2c.attdns.com, gslb3c.attdns.com	-

✅ Authoritative Response

Server:170.35.215.82

NS records: gslb1c.attdns.com, gslb2c.attdns.com, gslb3c.attdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for att.com (unsigned zone)

⏱️ Timing

Total: 889ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

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

At least part of the name servers for planning-collab.att.com are shared with other domains, for instance b2becse.att.com, manifest.att.com, secure.att.com, origin-businesscare-ebill.cingular.com and vqosmanifest.test.att.com.

Host names 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

planning-collab.att.com - robtex.com