`att-corp.cn`

DNSSEC	⚠️ Not signed
NS	`ns10a.attdns.net` ⚠️ Not in zone NS records
		A	144.160.229.221^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
			PTR	`ns10a.attdns.net`
NS	`ns10b.attdns.net` ⚠️ Not in zone NS records
		A	144.160.128.177^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
			PTR	`ns10b.attdns.net`
NS	`ns10d.attdns.net` ⚠️ Not in zone NS records
		A	144.160.128.159^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
			PTR	`ns10d.attdns.net`

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034789820

Same first word

att-corp.org

att-corp.cn

att-corp.net

att-corp.org.cn

att-corp.cc

att-corp.com

att-corp.mobi

Similar names

pro-catt.ru

top-trac.com

pro-tact.eu

pratt-co.com

DNS History

5 records (3 active, 2 former)

○NSns0.attdns.net2015-07-05 → 2026-02-24 · 4 obs

● 2015-07-05 04:31:44
● 2026-02-24 14:17:18
○ 2026-03-15 00:34:54
○ 2026-05-14 03:53:58

●NSns10a.attdns.net2015-07-05 → 2026-05-14 · 2 obs

● 2015-07-05 04:31:44
● 2026-05-14 03:53:58

●NSns10b.attdns.net2015-07-05 → 2026-05-14 · 2 obs

● 2015-07-05 04:31:44
● 2026-05-14 03:53:58

●NSns10d.attdns.net2026-02-18 → 2026-05-14 · 3 obs

○ 2015-07-05 04:31:44
● 2026-02-18 02:13:30
● 2026-05-14 03:53:58

○A144.160.155.532015-07-05 → 2020-04-08 · 4 obs

● 2015-07-05 04:31:44
● 2020-04-08 03:56:04
○ 2026-02-18 02:13:30
○ 2026-05-14 03:53:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
att-corp.cn	ns10a.attdns.net, ns10b.attdns.net, ns10d.attdns.net	-

✅ Authoritative Response

Server:144.160.128.159

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for att-corp.cn (unsigned zone)

⏱️ Timing

Total: 1465ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

att-corp.cn is delegated to three name servers: ns10a.attdns.net, ns10b.attdns.net and ns10d.attdns.net.

att-corp.cn at least partially shares name servers with other domains, for instance 227.43.65.in-addr.arpa, 6.0.99.in-addr.arpa, 196.177.99.in-addr.arpa, uversegreenville.com and 76.125.172.in-addr.arpa.

These name servers are commonly used together with ns0.attdns.com, ns10c.attdns.net and ns0.attdns.net.

Host names with a single IP:

ns10a.attdns.net points to: 144.160.229.221.

ns10b.attdns.net points to: 144.160.128.177.

ns10d.attdns.net points to: 144.160.128.159.

att-corp.cn - robtex.com

att-corp.cn

cn