b2bsase.att.com - robtex.com

b2bsase.att.com

DNSSEC⚠️ Not signed
A144.160.29.104🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
NSgslb1c.attdns.com ⚠️ Not in zone NS records
A135.209.156.17🇺🇸 AS797135.209.156.0/24
PTRgslb1c.attdns.com
NSgslb2c.attdns.com ⚠️ Not in zone NS records
A144.160.215.254🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
PTRgslb2c.attdns.com
NSgslb3c.attdns.com ⚠️ Not in zone NS records
A170.35.215.82🇺🇸 AS797170.35.208.0/20
PTRgslb3c.attdns.com

att.com

DNSSEC⚠️ Not signed
A144.160.36.42🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
A144.160.155.43🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
NSns0.attdns.com ⭐
NSa1-187.akam.net
NSa11-65.akam.net
NSa2-64.akam.net
NSa22-67.akam.net
NSa4-64.akam.net
NSa5-66.akam.net
MXmx0a-00191d01.pphosted.com ⭐
MXmx0b-00191d01.pphosted.com ⭐
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SOAns0.attdns.comeiss-dns@att.com 2026-05-10 #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

DNS History

5 records (4 active, 1 former)

2020202120222023202420252026NSgslb1c.attdns.comgslb2c.attdns.comgslb3c.attdns.comA144.160.29.104144.160.241.221
●NSgslb1c.attdns.com2026-02-16 → 2026-05-11 · 2 obs
● 2026-02-16 08:40:16
● 2026-05-11 04:02:34
●NSgslb2c.attdns.com2026-02-16 → 2026-05-11 · 2 obs
● 2026-02-16 08:40:16
● 2026-05-11 04:02:34
●NSgslb3c.attdns.com2026-02-16 → 2026-05-11 · 2 obs
● 2026-02-16 08:40:16
● 2026-05-11 04:02:34
○A144.160.241.2212019-12-13 → 2019-12-13 · 3 obs
● 2019-12-13 14:29:52
○ 2026-02-16 08:40:16
○ 2026-05-11 04:02:34
●A144.160.29.1042026-02-16 → 2026-05-11 · 3 obs
○ 2019-12-13 14:29:52
● 2026-02-16 08:40:16
● 2026-05-11 04:02:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...-
att.coma5-66.akam.net, a22-67.akam.net, a11-65.akam.net, a2-64.akam.net...-
b2bsase.att.comgslb1c.attdns.com, gslb3c.attdns.com, gslb2c.attdns.com-

✅ Authoritative Response

Server:170.35.215.82

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for att.com (unsigned zone)

⏱️ Timing

Total: 596ms | Queries: -

📄 Records

TypeCountSample Data
A1144.160.29.104

Analysis

IP Addresses

b2bsase.att.com points to a single IP number: 144.160.29.104.

Name Servers

b2bsase.att.com is delegated to three name servers: gslb1c.attdns.com, gslb2c.attdns.com and gslb3c.attdns.com.

b2bsase.att.com at least partially shares name servers with other domains, for instance b2baguatse.atttest.com, siptwopmoss.att.com, snapshot.att.com, csi-wa-ext.att.com and ditrex-delta.att.com.

Host names with one IP number:

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.