`onlinefaxtwo.att.com`

CNAME	`onlinefaxlocal-att.carrierzone.com`
DNSSEC	⚠️ Not signed
A	66.175.42.105^{🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
		PTR	`onlinefaxlocal-att.carrierzone.com`
MX	`mx1c45.carrierzone.com` ⭐
		A	216.55.149.41^{🇨🇦 INFB216.55.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`mx1c45.carrierzone.com`
MX	`mx2c45.carrierzone.com`⁽¹⁰⁰⁾
		A	216.55.149.42^{🇨🇦 INFB216.55.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`mx2c45.carrierzone.com`
MX	`mx3c45.carrierzone.com`⁽¹⁵⁰⁾
		A	216.55.149.43^{🇨🇦 INFB216.55.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`mx3c45.carrierzone.com`
MX	`mx4c45.carrierzone.com`⁽³⁰⁰⁾
		A	216.55.149.44^{🇨🇦 INFB216.55.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`mx4c45.carrierzone.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	`censys-domain-verification=78kpf_YXBG6iZmORvVAIMSeoT9qA_Abl2TQ1NQ5BmvI2`
	TXT	`google-site-verification=TDlxuIuUQhu-wSUgoz8Tuvpeevqqo4Kge7S-EJFFzrA`
	TXT	`docusign=edf26ba5-075c-448c-a7b4-fd68e78606b3`
	TXT	`bv-domain-verification=38433e129a5a4d49af430708b3d204a9ccdc03e981b1773fb2ad2b...`
	TXT	`google-site-verification=aEiNNWvbfCYfvmE1MB5FDlfTOXscCUfCQSBf5BsZnFQ`
	TXT	`4879c66f-d011-43dc-873c-ce5803b4d5a7`
	TXT	`docker-verification=232baaa1-27ce-477a-a437-abe005244414`
	TXT	`box-domain-verification=73b38eccd6cf3094f59070cc1471ea94d8c8a433f4e6808d99034...`
	TXT	`smartsheet-site-validation=YXtB3id9XhZfupfHmACXFew-Tegm1G_p`
	TXT	`jamf-site-verification=g-kOVDxo7U0trPWTXbALxg`
	TXT	`atlassian-domain-verification=sKDPLDFqqK6UKBe8hXqLj7n47sRNeN4C0TLWOyJI9jhbsY0...`
	TXT	`jamf-site-verification=UPRluCUJKO0tlsh28talrg`
	TXT	`_pvc1rwav561hkrmdq14aycsq5pps8xi`
	TXT	`apple-domain-verification=qvUUeo4rzNYBawy1GneDePGHTd_5bbfaFla5mf1Rql8`
	TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all`
	TXT	`MS=ms45660825`
	TXT	`docusign=7c207f4f-1463-48ab-8a42-401d5a790153`
	TXT	`smartsheet-site-validation=WTesoI8BTRnVCtpax7RXsu095_-01e-g`
	TXT	`paloaltonetworks-site-verification=7b609d2323474fad0529ed82de1c57e250820f838c...`
	TXT	`BeJQ5GrhdR+RKZkfNVneBsIUT2NVqTZB01Y2FXf2+THpvzgedgBjuxOsk3Ub41a8xwwOOxLu+mJTF...`
	TXT	`mixpanel-domain-verify=29364abe-5921-4f15-b1f9-92c168b99888`
	TXT	`smartsheet-site-validation=p-TbLkF_n2KWTVSks3oGAlqmEY11P06i`
	TXT	`formstack-domain-verification=179e16ba598bd6f0b295bc7de613ba7c`
	TXT	`mongodb-site-verification=XeRo7LCGNcMSCGuvCKB6RHi7fZwUjRIW`
	TXT	`flexera-domain-verification-imnjnkcqfpmvinpy`
	TXT	`postman-domain-verification=feeae2e09f081a0e723f0c57fe50bfc708665e79e72cffbf5...`
	TXT	`ff43041c-55f9-42c5-8263-b168f015ec68`
	TXT	`google-site-verification=GfKQDZJmtFjAfLwMo0CpJSgUgQ14s6EGeH8btHERCzY`
	TXT	`Dynatrace-site-verification=782efa98-fcb0-4599-9392-282c3417bb85__mh2ditpbjlp...`
	TXT	`docusign=cd78ab12-bff3-4e95-9d5e-40b4a6c64e28`
	TXT	`twilio-domain-verification=b527bfa6770ac367fc9912a1caa06323`
	TXT	`asv=811eb48ffe1a2bd2ca5ba9d4bc7d9737`
	TXT	`google-site-verification=61mMnbAFkug5Ga66TxJwJnHrccqsdXgjaYX4Dzh4fg4`
	TXT	`safebreach-domain-verification=87a47aa8-9dcf-4fc6-a0dc-645f6d8f16b7`
	TXT	`_lf5ez32jnsfjm9iqdgwqkvmtxmni1bv`
	TXT	`2a35e1cb-656a-4618-b343-cb814065d867`
	TXT	`smartsheet-site-validation=xn6t8IWievWUEBY9LJQzhTPfVsa5dWTk`
	TXT	`onetrust-domain-verification=8ec279170ab14b708f0330e786a9619e`
	TXT	`canva-site-verification=xZkTnltkjuFr7azCq9432w`
	TXT	`TXT=apple-domain-verification=qvUUeo4rzNYBawy1GneDePGHTd_5bbfaFla5mf1Rql8`
	TXT	`figma-domain-verification=3818f0fcaa32c5ce227b1121b999753e8708a904218ffd80578...`
	TXT	`_nf8m5hisjvxnliy43grrkcxt4775nre`
	TXT	`jamf-site-verification=Kzw-u7InjZzANk8Hd_p1Bw`
	TXT	`cisco-ci-domain-verification=3d21883a6bafd629173aea778e9e524288c5b6d037f0c3d6...`
	TXT	`Dynatrace-site-verification=26243c34-7393-4498-bfcd-7a0cc073ef06__limahdkrv1b...`
	TXT	`google-site-verification=_tbHFE4ZquVgPnU4yn9c8mM4AwjDcnyvHYpUyY9W9A0`
	TXT	`hcp-domain-verification=25fbb0ef8d96ac4f31233dc30aabe5c5ac473f766bc5e1095ddf3...`
	TXT	`_o7unzg1f3flq9gplgrxiex76xucouzs`
	TXT	`7af66ea0-faa0-4d61-a1ff-7624b9d97465`
	TXT	`Dynatrace-site-verification=3ff882c3-ce12-4bdd-854f-c18fdfce82c2__j2sdcrg6o0f...`
	TXT	`docusign=96684378-d4b4-426b-aa46-f484dcce317e`
	SOA	`ns0.attdns.com`eiss-dns@att.com 2026-05-08 #1

WOT: SAFE (92/100)
rank #890 globally
rank #492 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: #1,479

DNS History

6 records (1 active, 5 former)

○MXmx1c45.carrierzone.com2016-12-21 → 2016-12-21 · 2 obs

● 2016-12-21 06:43:20
○ 2026-05-09 16:18:30

○MXmx2c45.carrierzone.com2016-12-21 → 2016-12-21 · 2 obs

● 2016-12-21 06:43:20
○ 2026-05-09 16:18:30

○MXmx3c45.carrierzone.com2016-12-21 → 2016-12-21 · 2 obs

● 2016-12-21 06:43:20
○ 2026-05-09 16:18:30

○MXmx4c45.carrierzone.com2016-12-21 → 2016-12-21 · 2 obs

● 2016-12-21 06:43:20
○ 2026-05-09 16:18:30

○A66.175.42.1052016-12-21 → 2016-12-21 · 2 obs

● 2016-12-21 06:43:20
○ 2026-05-09 16:18:30

●CNAMEonlinefaxlocal-att.carrierzone.com2016-12-21 → 2026-05-09 · 2 obs

● 2016-12-21 06:43:20
● 2026-05-09 16:18:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, m.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: 594ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`onlinefaxlocal-att.carrierzone.com`

Analysis

IP Addresses

onlinefaxtwo.att.com maps to IP address 66.175.42.105.

Other host names, for example, onlinefaxlocal-att.carrierzone.com share IP numbers with onlinefaxtwo.att.com.

Mail Servers

onlinefaxtwo.att.com is handled by four mail servers: mx1c45.carrierzone.com, mx2c45.carrierzone.com, mx3c45.carrierzone.com and mx4c45.carrierzone.com.

onlinefaxtwo.att.com shares mail servers with other domains at least in part, for instance aandcconstruction.com, bordencompanymemorial.org, mertinc.com, acd-texas.com and tonytradewell.com.

Host names with one IP number:

mx1c45.carrierzone.com points to: 216.55.149.41

mx2c45.carrierzone.com points to: 216.55.149.42

mx3c45.carrierzone.com points to: 216.55.149.43

mx4c45.carrierzone.com points to: 216.55.149.44

onlinefaxtwo.att.com - robtex.com