attbusiness.com - robtex.com

attbusiness.com

DNSSEC⚠️ Not signed
A144.160.230.114🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
NSns0.attdns.com ⭐
A172.29.0.1UNSPECIFIED160.0.0.0/3
NSns1.attdns.com
A2001:1890:1286:320::c:2🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC
A144.160.112.22🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
PTRns1.attdns.com
NSns2.attdns.com
A2001:1890:1c00:3320::c:3🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC
A144.160.128.140🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
PTRns2.attdns.com
NSns3.attdns.com
A2001:1890:1c00:5323::c:3🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC
A144.160.20.47🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
PTRns3.attdns.com
NSns4.attdns.com
A2001:1890:1c00:6320::c:6🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC
A144.160.229.11🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
PTRns4.attdns.com
MXmx0a-00191d01.pphosted.com ⭐
A67.231.149.140🇺🇸 Proofpoint67.231.149.0/24 Inc.
PTRmx0a-00191d01.pphosted.com
MXmx0b-00191d01.pphosted.com ⭐
A67.231.157.136🇺🇸 Proofpoint67.231.157.0/24 Inc.
PTRmx0b-00191d01.pphosted.com
TXTv=spf1 include:_netblocks.eloqua.com -all
SOAns0.attdns.comeiss-dns@att.com 2025-04-11 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776104582

Same first word

attbusiness.com
attbusiness.net

Similar names

ttabusiness.com
sustainbest.com
businesstat.ru

DNS History

13 records (8 active, 5 former)

20162017201820192020202120222023202420252026NSns0.attdns.comns1.attdns.comns2.attdns.comns3.attdns.comns4.attdns.comMXmx0a-00191d01.pphosted.commx0b-00191d01.pphosted.comgrid1i-ent.seg.att.comgrid2i-ent.seg.att.commxa-00191d01.gslb.pphosted.commxb-00191d01.gslb.pphosted.comA144.160.230.114144.160.230.113
●NSns0.attdns.com2015-07-09 → 2026-04-13 · 2 obs
● 2015-07-09 15:51:54
● 2026-04-13 18:45:16
●NSns1.attdns.com2015-07-09 → 2026-04-13 · 2 obs
● 2015-07-09 15:51:54
● 2026-04-13 18:45:16
●NSns2.attdns.com2015-07-09 → 2026-04-13 · 2 obs
● 2015-07-09 15:51:54
● 2026-04-13 18:45:16
●NSns3.attdns.com2015-07-09 → 2026-04-13 · 2 obs
● 2015-07-09 15:51:54
● 2026-04-13 18:45:16
●NSns4.attdns.com2017-06-19 → 2026-04-13 · 3 obs
○ 2015-07-09 15:51:54
● 2017-06-19 21:10:06
● 2026-04-13 18:45:16
○MXgrid1i-ent.seg.att.com2015-07-09 → 2015-07-09 · 3 obs
● 2015-07-09 15:51:54
○ 2015-09-12 01:29:54
○ 2026-04-13 18:45:16
○MXgrid2i-ent.seg.att.com2015-07-09 → 2015-07-09 · 3 obs
● 2015-07-09 15:51:54
○ 2015-09-12 01:29:54
○ 2026-04-13 18:45:16
●MXmx0a-00191d01.pphosted.com2016-04-11 → 2026-04-13 · 3 obs
○ 2016-02-20 04:15:54
● 2016-04-11 00:52:24
● 2026-04-13 18:45:16
●MXmx0b-00191d01.pphosted.com2016-04-11 → 2026-04-13 · 3 obs
○ 2016-02-20 04:15:54
● 2016-04-11 00:52:24
● 2026-04-13 18:45:16
○MXmxa-00191d01.gslb.pphosted.com2015-09-12 → 2016-02-20 · 5 obs
○ 2015-07-09 15:51:54
● 2015-09-12 01:29:54
● 2016-02-20 04:15:54
○ 2016-04-11 00:52:24
○ 2026-04-13 18:45:16
○MXmxb-00191d01.gslb.pphosted.com2015-09-12 → 2016-02-20 · 5 obs
○ 2015-07-09 15:51:54
● 2015-09-12 01:29:54
● 2016-02-20 04:15:54
○ 2016-04-11 00:52:24
○ 2026-04-13 18:45:16
○A144.160.230.1132015-07-09 → 2017-01-10 · 4 obs
● 2015-07-09 15:51:54
● 2017-01-10 03:41:30
○ 2017-06-19 21:10:06
○ 2026-04-13 18:45:16
●A144.160.230.1142017-06-19 → 2026-04-13 · 3 obs
○ 2017-01-10 03:41:30
● 2017-06-19 21:10:06
● 2026-04-13 18:45:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...-
attbusiness.comns3.attdns.com, ns2.attdns.com, ns1.attdns.com, ns4.attdns.com4 records

✅ Authoritative Response

Server:144.160.20.47

NS records: ns3.attdns.com, ns2.attdns.com, ns1.attdns.com, ns4.attdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for attbusiness.com (unsigned zone)

⏱️ Timing

Total: 236ms | Queries: -

📄 Records

TypeCountSample Data
A1144.160.230.114
NS4ns3.attdns.com, ns4.attdns.com...
MX2mx0b-00191d01.pphosted.com (pri: 10), mx0a-00191d01.pphosted.com (pri: 10)
TXT1v=spf1 include:_netblocks.eloqua.com -al
SOA1ns0.attdns.com eiss-dns.att.com

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.attdns.com, ns2.attdns.com, ns1.attdns.com...)

Analysis

IP Addresses

attbusiness.com maps to IP address 144.160.230.114.

Name Servers

attbusiness.com delegates to five name servers: ns0.attdns.com, ns1.attdns.com, ns2.attdns.com, ns3.attdns.com and ns4.attdns.com.

attbusiness.com at least partially shares name servers with other domains such as attbelieves.com, 95.73.108.in-addr.arpa, 63.145.99.in-addr.arpa, 194.4.104.in-addr.arpa and 180.38.75.in-addr.arpa.

These name servers are commonly used alongside ns10a.attdns.net, ns10b.attdns.net and ns10d.attdns.net.

Host names with two IP numbers:

ns1.attdns.com points to: 2001:1890:1286:320::c:2 and 144.160.112.22

ns2.attdns.com points to: 2001:1890:1c00:3320::c:3 and 144.160.128.140

ns3.attdns.com points to: 2001:1890:1c00:5323::c:3 and 144.160.20.47

ns4.attdns.com points to: 2001:1890:1c00:6320::c:6 and 144.160.229.11

Host names with one IP number:

ns0.attdns.com points to: 172.29.0.1

Mail Servers

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

attbusiness.com shares the same mail server setup as other domains, including pr.securemail.att.com, c-69-176-94-81.att.com, bapco.bls.com, placement-nc.lbc1d.cci.att.com and pbt.sbc.com.

attbusiness.com shares some mail servers with other domains, at least partially, for instance public.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