`cingularmobility.org`

DNSSEC	⚠️ Not signed
NS	`ns0.attdns.net` ⭐
		A	172.29.0.1^{UNSPECIFIED160.0.0.0/3}
NS	`ns10a.attdns.net`
		A	144.160.229.221^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
			PTR	`ns10a.attdns.net`
NS	`ns10b.attdns.net`
		A	144.160.128.177^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
			PTR	`ns10b.attdns.net`
NS	`ns10c.attdns.net`
		A	144.160.112.19^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
			PTR	`ns10c.attdns.net`
NS	`ns10d.attdns.net`
		A	144.160.128.159^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
			PTR	`ns10d.attdns.net`
TXT	`v=spf1 -all`
SOA	`ns0.attdns.net`eiss-dns@att.com 2025-09-10 #1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1779053367

Same first word

cingularmobility.net

cingularmobility.com

cingularmobility.org

DNS History

7 records (5 active, 2 former)

●NSns0.attdns.net2015-06-16 → 2026-05-17 · 2 obs

● 2015-06-16 12:12:52
● 2026-05-17 21:37:40

●NSns10a.attdns.net2015-06-16 → 2026-05-17 · 2 obs

● 2015-06-16 12:12:52
● 2026-05-17 21:37:40

●NSns10b.attdns.net2015-06-16 → 2026-05-17 · 2 obs

● 2015-06-16 12:12:52
● 2026-05-17 21:37:40

●NSns10c.attdns.net2026-04-20 → 2026-05-17 · 3 obs

○ 2026-02-18 09:36:26
● 2026-04-20 18:16:54
● 2026-05-17 21:37:40

●NSns10d.attdns.net2026-02-18 → 2026-05-17 · 3 obs

○ 2015-06-16 12:12:52
● 2026-02-18 09:36:26
● 2026-05-17 21:37:40

○A135.209.156.312015-06-16 → 2016-01-20 · 4 obs

● 2015-06-16 12:12:52
● 2016-01-20 05:06:16
○ 2016-04-17 14:33:16
○ 2026-05-17 21:37:40

○A135.209.168.222015-06-16 → 2016-01-20 · 4 obs

● 2015-06-16 12:12:52
● 2016-01-20 05:06:16
○ 2016-04-17 14:33:16
○ 2026-05-17 21:37:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
cingularmobility.org	ns10c.attdns.net, ns10d.attdns.net, ns10a.attdns.net, ns10b.attdns.net	-

✅ Authoritative Response

Server:144.160.112.19

NS records: ns10c.attdns.net, ns10d.attdns.net, ns10a.attdns.net, ns10b.attdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cingularmobility.org (unsigned zone)

⏱️ Timing

Total: 3489ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns10c.attdns.net, ns10a.attdns.net...`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns0.attdns.net eiss-dns.att.com`

Analysis

Name Servers

cingularmobility.org is delegated to five name servers, ns0.attdns.net, ns10a.attdns.net, ns10b.attdns.net and 2 other.

cingularmobility.org at least partially shares name servers with other domains, for instance 114.73.108.in-addr.arpa, 81.219.76.in-addr.arpa, 132.7.99.in-addr.arpa and 2 other.

these name servers are often used together with the name servers ns10d.attdns.net, ns10c.attdns.net and ns0.attdns.com.

The host names ns0.attdns.net, ns10a.attdns.net, ns10b.attdns.net, ns10c.attdns.net, ns10d.attdns.net each point to one 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.

cingularmobility.org - robtex.com