`signout.att.com`

DNSSEC	⚠️ Not signed
MX	`mx0a-00191d01.pphosted.com` ⭐
		A	67.231.149.140^{🇺🇸 Proofpoint67.231.149.0/24 Inc.}
			PTR	`mx0a-00191d01.pphosted.com`
MX	`mx0b-00191d01.pphosted.com` ⭐
		A	67.231.157.136^{🇺🇸 Proofpoint67.231.157.0/24 Inc.}
			PTR	`mx0b-00191d01.pphosted.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	`4879c66f-d011-43dc-873c-ce5803b4d5a7`
	TXT	`mongodb-site-verification=XeRo7LCGNcMSCGuvCKB6RHi7fZwUjRIW`
	TXT	`docusign=edf26ba5-075c-448c-a7b4-fd68e78606b3`
	TXT	`asv=811eb48ffe1a2bd2ca5ba9d4bc7d9737`
	TXT	`docusign=7c207f4f-1463-48ab-8a42-401d5a790153`
	TXT	`canva-site-verification=xZkTnltkjuFr7azCq9432w`
	TXT	`mixpanel-domain-verify=29364abe-5921-4f15-b1f9-92c168b99888`
	TXT	`_lf5ez32jnsfjm9iqdgwqkvmtxmni1bv`
	TXT	`google-site-verification=61mMnbAFkug5Ga66TxJwJnHrccqsdXgjaYX4Dzh4fg4`
	TXT	`google-site-verification=TDlxuIuUQhu-wSUgoz8Tuvpeevqqo4Kge7S-EJFFzrA`
	TXT	`twilio-domain-verification=b527bfa6770ac367fc9912a1caa06323`
	TXT	`flexera-domain-verification-imnjnkcqfpmvinpy`
	TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all`
	TXT	`formstack-domain-verification=179e16ba598bd6f0b295bc7de613ba7c`
	TXT	`box-domain-verification=73b38eccd6cf3094f59070cc1471ea94d8c8a433f4e6808d99034...`
	TXT	`TXT=apple-domain-verification=qvUUeo4rzNYBawy1GneDePGHTd_5bbfaFla5mf1Rql8`
	TXT	`cisco-ci-domain-verification=3d21883a6bafd629173aea778e9e524288c5b6d037f0c3d6...`
	TXT	`paloaltonetworks-site-verification=7b609d2323474fad0529ed82de1c57e250820f838c...`
	TXT	`google-site-verification=GfKQDZJmtFjAfLwMo0CpJSgUgQ14s6EGeH8btHERCzY`
	TXT	`atlassian-domain-verification=sKDPLDFqqK6UKBe8hXqLj7n47sRNeN4C0TLWOyJI9jhbsY0...`
	TXT	`jamf-site-verification=Kzw-u7InjZzANk8Hd_p1Bw`
	TXT	`google-site-verification=aEiNNWvbfCYfvmE1MB5FDlfTOXscCUfCQSBf5BsZnFQ`
	TXT	`postman-domain-verification=feeae2e09f081a0e723f0c57fe50bfc708665e79e72cffbf5...`
	TXT	`_nf8m5hisjvxnliy43grrkcxt4775nre`
	TXT	`smartsheet-site-validation=xn6t8IWievWUEBY9LJQzhTPfVsa5dWTk`
	TXT	`BeJQ5GrhdR+RKZkfNVneBsIUT2NVqTZB01Y2FXf2+THpvzgedgBjuxOsk3Ub41a8xwwOOxLu+mJTF...`
	TXT	`censys-domain-verification=78kpf_YXBG6iZmORvVAIMSeoT9qA_Abl2TQ1NQ5BmvI2`
	TXT	`smartsheet-site-validation=YXtB3id9XhZfupfHmACXFew-Tegm1G_p`
	TXT	`7af66ea0-faa0-4d61-a1ff-7624b9d97465`
	TXT	`figma-domain-verification=3818f0fcaa32c5ce227b1121b999753e8708a904218ffd80578...`
	TXT	`Dynatrace-site-verification=782efa98-fcb0-4599-9392-282c3417bb85__mh2ditpbjlp...`
	TXT	`ff43041c-55f9-42c5-8263-b168f015ec68`
	TXT	`bv-domain-verification=38433e129a5a4d49af430708b3d204a9ccdc03e981b1773fb2ad2b...`
	TXT	`smartsheet-site-validation=WTesoI8BTRnVCtpax7RXsu095_-01e-g`
	TXT	`google-site-verification=_tbHFE4ZquVgPnU4yn9c8mM4AwjDcnyvHYpUyY9W9A0`
	TXT	`MS=ms45660825`
	TXT	`onetrust-domain-verification=8ec279170ab14b708f0330e786a9619e`
	TXT	`Dynatrace-site-verification=26243c34-7393-4498-bfcd-7a0cc073ef06__limahdkrv1b...`
	TXT	`hcp-domain-verification=25fbb0ef8d96ac4f31233dc30aabe5c5ac473f766bc5e1095ddf3...`
	TXT	`docusign=96684378-d4b4-426b-aa46-f484dcce317e`
	TXT	`docusign=cd78ab12-bff3-4e95-9d5e-40b4a6c64e28`
	TXT	`_o7unzg1f3flq9gplgrxiex76xucouzs`
	TXT	`smartsheet-site-validation=p-TbLkF_n2KWTVSks3oGAlqmEY11P06i`
	TXT	`safebreach-domain-verification=87a47aa8-9dcf-4fc6-a0dc-645f6d8f16b7`
	TXT	`Dynatrace-site-verification=3ff882c3-ce12-4bdd-854f-c18fdfce82c2__j2sdcrg6o0f...`
	TXT	`docker-verification=232baaa1-27ce-477a-a437-abe005244414`
	TXT	`apple-domain-verification=qvUUeo4rzNYBawy1GneDePGHTd_5bbfaFla5mf1Rql8`
	TXT	`jamf-site-verification=UPRluCUJKO0tlsh28talrg`
	TXT	`jamf-site-verification=g-kOVDxo7U0trPWTXbALxg`
	TXT	`2a35e1cb-656a-4618-b343-cb814065d867`
	TXT	`_pvc1rwav561hkrmdq14aycsq5pps8xi`
	SOA	`ns0.attdns.com`eiss-dns@att.com 2026-05-09 #1

WOT: SAFE (92/100)
rank #888 globally
rank #491 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: #1,462

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DNS History

2 records (2 active, 0 former)

●MXmx0a-00191d01.pphosted.com2026-04-04 → 2026-05-10 · 2 obs

● 2026-04-04 07:58:40
● 2026-05-10 23:38:06

●MXmx0b-00191d01.pphosted.com2026-04-04 → 2026-05-10 · 2 obs

● 2026-04-04 07:58:40
● 2026-05-10 23:38:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, l.gtld-servers.net, k.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:95.100.168.66

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: 582ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	2	`mx0a-00191d01.pphosted.com (pri: 10), mx0b-00191d01.pphosted.com (pri: 10)`

Analysis

Mail Servers

Two mail servers handle signout.att.com: mx0a-00191d01.pphosted.com and mx0b-00191d01.pphosted.com.

signout.att.com shares the same mail server setup as other domains, including ads-eastus2-poc-db-vm-jump-01.az.3pc.att.com, myattdx01.att.com, nlpi112.sbcis.sbc.com, g68-121-8-13.sbcis.sbc.com and mhe-extdns01.vcs.att.com.

signout.att.com shares some mail servers with other domains, at least partially, for instance h-135-207-255-47.research.att.com.

Host names with a single IP address:

mx0a-00191d01.pphosted.com points to 67.231.149.140

mx0b-00191d01.pphosted.com points to 67.231.157.136

signout.att.com - robtex.com

signout.att.com

att.com