mx.att.com - dns.ninja

`mx.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`
TXT	`ct5dFLuRYdx7TNL1cXTzSR8z4jLcXRvmTfw4V3CW9+YqulJwCfbLWOmB8KH9iK09DWJxuB9iTDIyJ...`
TXT	`box-domain-verification=73b38eccd6cf3094f59070cc1471ea94d8c8a433f4e6808d99034...`
TXT	`DgHVqVu1Ich3/TjYAholCkHYpX7vf8R3/Z6Kz7RK5s59DaMV72VA6OniDZtqVVevgJO45NK6HEDPP...`
TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all`
TXT	`MS=ms57415304`

`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` ⭐
	MX	`mxa-00191d01.gslb.pphosted.com`⁽²⁰⁾
	MX	`mxb-00191d01.gslb.pphosted.com`⁽²⁰⁾
	TXT	`mongodb-site-verification=aksKamJjSOb7wjKkmOBL0yBoCcDkTD5w`
	TXT	`google-site-verification=GfKQDZJmtFjAfLwMo0CpJSgUgQ14s6EGeH8btHERCzY`
	TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all`
	TXT	`BeJQ5GrhdR+RKZkfNVneBsIUT2NVqTZB01Y2FXf2+THpvzgedgBjuxOsk3Ub41a8xwwOOxLu+mJTF...`
	TXT	`bv-domain-verification=38433e129a5a4d49af430708b3d204a9ccdc03e981b1773fb2ad2b...`
	TXT	`docusign=96684378-d4b4-426b-aa46-f484dcce317e`
	TXT	`mixpanel-domain-verify=29364abe-5921-4f15-b1f9-92c168b99888`
	TXT	`docusign=cd78ab12-bff3-4e95-9d5e-40b4a6c64e28`
	TXT	`_pvc1rwav561hkrmdq14aycsq5pps8xi`
	TXT	`docusign=edf26ba5-075c-448c-a7b4-fd68e78606b3`
	TXT	`docusign=7c207f4f-1463-48ab-8a42-401d5a790153`
	TXT	`google-site-verification=61mMnbAFkug5Ga66TxJwJnHrccqsdXgjaYX4Dzh4fg4`
	TXT	`google-site-verification=_tbHFE4ZquVgPnU4yn9c8mM4AwjDcnyvHYpUyY9W9A0`
	TXT	`ff43041c-55f9-42c5-8263-b168f015ec68`
	TXT	`google-site-verification=TDlxuIuUQhu-wSUgoz8Tuvpeevqqo4Kge7S-EJFFzrA`
	TXT	`jamf-site-verification=g-kOVDxo7U0trPWTXbALxg`
	TXT	`google-site-verification=y2jV9rmyQx1kZNZuEhu5QqjLPGACb_JSzClilwj4Dr0`
	TXT	`4879c66f-d011-43dc-873c-ce5803b4d5a7`
	TXT	`7af66ea0-faa0-4d61-a1ff-7624b9d97465`
	TXT	`jamf-site-verification=Kzw-u7InjZzANk8Hd_p1Bw`
	TXT	`_nf8m5hisjvxnliy43grrkcxt4775nre`
	TXT	`_lf5ez32jnsfjm9iqdgwqkvmtxmni1bv`
	TXT	`_o7unzg1f3flq9gplgrxiex76xucouzs`
	TXT	`windsurf-verification=lqhQVISbUb5fsOn2Yc0xZyf6v1RamtpB4_erNYSM4fU=`
	TXT	`google-site-verification=aEiNNWvbfCYfvmE1MB5FDlfTOXscCUfCQSBf5BsZnFQ`
	TXT	`jamf-site-verification=UPRluCUJKO0tlsh28talrg`
	TXT	`2a35e1cb-656a-4618-b343-cb814065d867`
	TXT	`atlassian-domain-verification=sKDPLDFqqK6UKBe8hXqLj7n47sRNeN4C0TLWOyJI9jhbsY0...`
	SOA	`ns0.attdns.com`eiss-dns@att.com 2026-07-26 #1

WOT: SAFE (92/100)
rank #922 globally
rank #507 in the tld

att.com

att.com is the primary domain of AT&T, the major American telecommunications company.

Key facts

Owner / operator: AT&T
TLD:.com— gTLD
Primary purpose: corporate website
Status: active

WOT: SAFE (92/100)
📈 Tranco rank: #1,523

MX for

dirsamexico.com

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DNS History

2 records (2 active, 0 former)

●MXmx0a-00191d01.pphosted.com2017-03-13 → 2026-07-26 · 2 obs

● 2017-03-13 22:56:42
● 2026-07-26 23:27:52

●MXmx0b-00191d01.pphosted.com2017-03-13 → 2026-07-26 · 2 obs

● 2017-03-13 22:56:42
● 2026-07-26 23:27:52

🔍 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:95.100.168.66

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: 1165ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	2	`mx0a-00191d01.pphosted.com (pri: 10), mx0b-00191d01.pphosted.com (pri: 10)`
TXT	5	`box-domain-verification=73b38eccd6cf3094, MS=ms57415304...`

Analysis

Mail Server Role

Mail for dirsamexico.com is routed through the mail server mx.att.com.

rm-reemplazosempresarialeselite, aspmx2.googlemail.com and aspmx3.googlemail.com tend to be used as mail servers in tandem with mx.att.com.

Mail Servers

mx.att.com uses two mail servers, mx0a-00191d01.pphosted.com and mx0b-00191d01.pphosted.com.

The mail server setup of mx.att.com matches that of other domains such as opusa47.web.att.com, mail.attws.com, fipprd12.sbcis.sbc.com and two others.

mx0a-00191d01.pphosted.com → 67.231.149.140 and mx0b-00191d01.pphosted.com → 67.231.157.136: one IP number per host name.