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83
Total
70
DNS
90
Email
81
Security
65
Network
100
Availability
Domainatt.com
IPv42
IPv60
MX records4
StatusActive
Domain technical report

AT&T Official Site | Our Best Wireless & Internet Service

att.com

Get our best deals on phones and internet, backed by the AT&T Guarantee. Explore the new iPhone 17, get 24/7 support, pay bills, and manage your account online.

Generated: 2026-08-08T19:50:17-05:00 · Cached result

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IPv42
IPv60
MX4
NS6

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

6 NS record(s); 2 or more required.

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

!
DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

4 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

✓
DKIM20 / 20 pts · Mail

A DKIM selector was verified.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

226 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: att.com

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓
DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓
HTTP response40 / 40 pts · Availability

HTTP/2 200

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)
144.160.155.43
144.160.36.42

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

4 record(s)
10 mx0a-00191d01.pphosted.com.
10 mx0b-00191d01.pphosted.com.
20 mxa-00191d01.gslb.pphosted.com.
20 mxb-00191d01.gslb.pphosted.com.

TXT

29 record(s)
"twilio-domain-verification=b527bfa6770ac367fc9912a1caa06323"
"google-site-verification=y2jV9rmyQx1kZNZuEhu5QqjLPGACb_JSzClilwj4Dr0"
"4879c66f-d011-43dc-873c-ce5803b4d5a7"
"google-site-verification=GfKQDZJmtFjAfLwMo0CpJSgUgQ14s6EGeH8btHERCzY"
"2a35e1cb-656a-4618-b343-cb814065d867"
"mixpanel-domain-verify=29364abe-5921-4f15-b1f9-92c168b99888"
"jamf-site-verification=UPRluCUJKO0tlsh28talrg"
"ff43041c-55f9-42c5-8263-b168f015ec68"
"docusign=96684378-d4b4-426b-aa46-f484dcce317e"
"docusign=7c207f4f-1463-48ab-8a42-401d5a790153"
"_pvc1rwav561hkrmdq14aycsq5pps8xi"
"v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all"
"windsurf-verification=lqhQVISbUb5fsOn2Yc0xZyf6v1RamtpB4_erNYSM4fU="
"bv-domain-verification=38433e129a5a4d49af430708b3d204a9ccdc03e981b1773fb2ad2b897fe2e2eb"
"_o7unzg1f3flq9gplgrxiex76xucouzs"
"7af66ea0-faa0-4d61-a1ff-7624b9d97465"
"docusign=cd78ab12-bff3-4e95-9d5e-40b4a6c64e28"
"docusign=edf26ba5-075c-448c-a7b4-fd68e78606b3"
"mongodb-site-verification=aksKamJjSOb7wjKkmOBL0yBoCcDkTD5w"
"jamf-site-verification=g-kOVDxo7U0trPWTXbALxg"
"google-site-verification=61mMnbAFkug5Ga66TxJwJnHrccqsdXgjaYX4Dzh4fg4"
"_lf5ez32jnsfjm9iqdgwqkvmtxmni1bv"
"google-site-verification=_tbHFE4ZquVgPnU4yn9c8mM4AwjDcnyvHYpUyY9W9A0"
"_nf8m5hisjvxnliy43grrkcxt4775nre"
"google-site-verification=TDlxuIuUQhu-wSUgoz8Tuvpeevqqo4Kge7S-EJFFzrA"
"atlassian-domain-verification=sKDPLDFqqK6UKBe8hXqLj7n47sRNeN4C0TLWOyJI9jhbsY0Lz0lagoRG9756r6y2"
"BeJQ5GrhdR+RKZkfNVneBsIUT2NVqTZB01Y2FXf2+THpvzgedgBjuxOsk3Ub41a8xwwOOxLu+mJTFDrYINC2nw=="
"google-site-verification=aEiNNWvbfCYfvmE1MB5FDlfTOXscCUfCQSBf5BsZnFQ"
"jamf-site-verification=Kzw-u7InjZzANk8Hd_p1Bw"

NS

6 record(s)
a2-64.akam.net.
a5-66.akam.net.
a4-64.akam.net.
a1-187.akam.net.
a11-65.akam.net.
a22-67.akam.net.

SOA

1 record(s)
ns0.attdns.com. eiss-dns.att.com. 2026080701 3600 1800 2592000 300

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

NSEC

0 record(s)
—

Not configured

NSEC3

0 record(s)
—

Not configured

SRV

0 record(s)
—

Not configured

NAPTR

0 record(s)
—

Not configured

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all

DMARC

Configured
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

DKIM

Selector s1
k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsf+uYw+fYBQGsbUmg5k6A552F2eusiK2ytptcLQY45mrLh7pgQzNpyr1YBLwbMAjHDLJQek3xcBAgpa0pCP8idDpZ1b7ZPngMZny5bNka+nteFN+oRM6sR+145iFWziLPM+qwcsNR6cTAONSJta3afWWlmJPLoCMzR9qiBx837Ud8etumDLDXXUc6k9tQpUCIXwD+sp0HkT54+FVFR6V3QX+WVBs/hiE/Zy2Ws/fTKRF3DHkUhO/ZqZkR/cZHauF8VO0lXbZwgB8CTXjagDsbU6oCsSuaHfqWOoMdy2heeaiXkBXFLA09kYTaWrF3uis9MXB+ZG1P1UxlHua40F+7QIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
AT&T Official Site | Our Best Wireless & Internet Service
Description
Get our best deals on phones and internet, backed by the AT&T Guarantee. Explore the new iPhone 17, get 24/7 support, pay bills, and manage your account online.
Final URL
https://www.att.com/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.att.com/
Version
3
Server
BigIP
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
att.com
Valid from
2026-02-19T18:00:00-06:00
Valid until
2027-03-23T18:59:59-05:00
Days remaining
226
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256

Security headers

4 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
—
Permissions PolicyNot detected
—
Cross-Origin-Opener-PolicyNot detected
—
Cross-Origin-Embedder-PolicyNot detected
—
Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
144.160.155.43, 144.160.36.42
49,90 ms
Cloudflare
1.1.1.1
144.160.155.43, 144.160.36.42
46,21 ms
Quad9
9.9.9.9
144.160.155.43, 144.160.36.42
50,39 ms
OpenDNS
208.67.222.222
144.160.155.43, 144.160.36.42
46,05 ms
AdGuard
94.140.14.14
144.160.155.43, 144.160.36.42
49,88 ms

IP, geolocation and ASNAssociated network information

144.160.155.43

No data
success
No
country
region
city
asn
organization
isp

144.160.36.42

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

mx0a-00191d01.pphosted.com

Port 25: Closed/unreachable - 8.6 ms - 
Port 465: Closed/unreachable - 55.9 ms - 
Port 587: Closed/unreachable - 48.3 ms -

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