conceptofone.net - robtex.com

conceptofone.net

DNSSEC⚠️ Not signed
NSns0.attdns.net ⭐
A172.29.0.1UNSPECIFIED160.0.0.0/3
NSns10a.attdns.net
A144.160.229.221🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
PTRns10a.attdns.net
NSns10b.attdns.net
A144.160.128.177🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
PTRns10b.attdns.net
NSns10c.attdns.net ⚠️ Not in parent delegation
A144.160.112.19🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
PTRns10c.attdns.net
NSns10d.attdns.net
A144.160.128.159🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.
PTRns10d.attdns.net
TXTv=spf1 -all
SOAns0.attdns.neteiss-dns@att.com 2025-09-10 #1

net

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=1778600271

Same first word

conceptofone.net
conceptofone.biz

DNS History

9 records (5 active, 4 former)

2008201020122014201620182020202220242026NSns0.attdns.netns10a.attdns.netns10b.attdns.netns10c.attdns.netns10d.attdns.netA144.160.103.79144.160.134.61144.160.155.43144.160.36.42
●NSns0.attdns.net2015-07-17 → 2026-05-12 · 3 obs
○ 2007-09-26 11:46:02
● 2015-07-17 20:25:18
● 2026-05-12 15:56:18
●NSns10a.attdns.net2007-09-26 → 2026-05-12 · 4 obs
● 2007-09-26 11:46:02
○ 2015-07-17 20:25:18
● 2015-11-21 11:20:58
● 2026-05-12 15:56:18
●NSns10b.attdns.net2007-09-26 → 2026-05-12 · 4 obs
● 2007-09-26 11:46:02
○ 2015-07-17 20:25:18
● 2015-11-21 11:20:58
● 2026-05-12 15:56:18
●NSns10c.attdns.net2026-04-20 → 2026-05-12 · 3 obs
○ 2026-02-18 10:04:36
● 2026-04-20 18:47:18
● 2026-05-12 15:56:18
●NSns10d.attdns.net2026-02-18 → 2026-05-12 · 3 obs
○ 2015-11-21 11:20:58
● 2026-02-18 10:04:36
● 2026-05-12 15:56:18
○A144.160.103.792007-09-26 → 2007-09-26 · 3 obs
● 2007-09-26 11:46:02
○ 2015-07-17 20:25:18
○ 2026-05-12 15:56:18
○A144.160.134.612007-09-26 → 2007-09-26 · 3 obs
● 2007-09-26 11:46:02
○ 2015-07-17 20:25:18
○ 2026-05-12 15:56:18
○A144.160.155.432015-07-17 → 2016-02-22 · 5 obs
○ 2007-09-26 11:46:02
● 2015-07-17 20:25:18
● 2016-02-22 14:57:46
○ 2016-07-16 06:23:32
○ 2026-05-12 15:56:18
○A144.160.36.422015-07-17 → 2016-02-22 · 5 obs
○ 2007-09-26 11:46:02
● 2015-07-17 20:25:18
● 2016-02-22 14:57:46
○ 2016-07-16 06:23:32
○ 2026-05-12 15:56:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netg.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...-
conceptofone.netns10a.attdns.net, ns10b.attdns.net, ns10d.attdns.net3 records

✅ Authoritative Response

Server:144.160.128.177

NS records: ns10a.attdns.net, ns10b.attdns.net, ns10d.attdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for conceptofone.net (unsigned zone)

⏱️ Timing

Total: 259ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns10a.attdns.net, ns10d.attdns.net...
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns0.attdns.net eiss-dns.att.com

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns10a.attdns.net, ns10b.attdns.net, ns10d.attdns.net)

Analysis

Name Servers

conceptofone.net is delegated to five name servers: ns0.attdns.net, ns10a.attdns.net, ns10b.attdns.net, ns10c.attdns.net and ns10d.attdns.net.

conceptofone.net at least partially shares name servers with other domains, for instance 213.80.108.in-addr.arpa, 84.61.99.in-addr.arpa, 35.170.99.in-addr.arpa, 235.209.107.in-addr.arpa and 77.72.99.in-addr.arpa.

These name servers are commonly used with the name servers ns0.attdns.com.

Host names with a single IP number:

ns0.attdns.net points to 172.29.0.1

ns10a.attdns.net points to 144.160.229.221

ns10b.attdns.net points to 144.160.128.177

ns10c.attdns.net points to 144.160.112.19

ns10d.attdns.net points to 144.160.128.159