`21712.cn`

	CNAME	`y09.yimaoip.com`
	DNSSEC	⚠️ Not signed
	A	168.76.252.113^{🇿🇦 ASLINE-AS-AP168.76.252.0/24 Proxy-registered route object}

`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=2034790823

Same first word

21712.cn

Similar names

22711.vip

12721.cn

11227.com

17122.com

72112.us

12721.com

71212.com

12217.com

12712.com

12271.com

12721.cc

21127.cn

12127.com

12172.us

71221.cn

21217.com

12712.ph

21721.net

12721.us

11227.vip

12217.us

21127.com

11272.cc

12172.com

71122.us

72211.com

21271.us

22171.com

17212.com

71212.com.cn

22117.com

21721.cn

72211.cn

21721.us

12721.net

72121.com

DNS History

27 records (5 active, 22 former)

○NSdns1.iidns.com2015-07-21 → 2017-03-24 · 4 obs

● 2015-07-21 23:46:42
● 2017-03-24 00:58:04
○ 2026-04-07 18:04:20
○ 2026-05-14 08:46:24

○NSdns2.iidns.com2015-07-21 → 2016-02-09 · 4 obs

● 2015-07-21 23:46:42
● 2016-02-09 07:55:56
○ 2017-03-24 00:58:04
○ 2026-05-14 08:46:24

○NSdns3.iidns.com2015-07-21 → 2016-02-09 · 4 obs

● 2015-07-21 23:46:42
● 2016-02-09 07:55:56
○ 2017-03-24 00:58:04
○ 2026-05-14 08:46:24

○NSdns4.iidns.com2015-07-21 → 2016-02-09 · 4 obs

● 2015-07-21 23:46:42
● 2016-02-09 07:55:56
○ 2017-03-24 00:58:04
○ 2026-05-14 08:46:24

○NSdns5.iidns.com2015-07-21 → 2016-02-09 · 4 obs

● 2015-07-21 23:46:42
● 2016-02-09 07:55:56
○ 2017-03-24 00:58:04
○ 2026-05-14 08:46:24

○NSdns6.iidns.com2015-07-21 → 2016-02-09 · 4 obs

● 2015-07-21 23:46:42
● 2016-02-09 07:55:56
○ 2017-03-24 00:58:04
○ 2026-05-14 08:46:24

●NSns1.judns.com2026-04-07 → 2026-05-14 · 3 obs

○ 2017-03-24 00:58:04
● 2026-04-07 18:04:20
● 2026-05-14 08:46:24

●NSns1.julydns.com2026-04-07 → 2026-05-14 · 3 obs

○ 2017-03-24 00:58:04
● 2026-04-07 18:04:20
● 2026-05-14 08:46:24

●NSns2.judns.com2026-04-07 → 2026-05-14 · 3 obs

○ 2017-03-24 00:58:04
● 2026-04-07 18:04:20
● 2026-05-14 08:46:24

●NSns2.julydns.com2026-04-07 → 2026-05-14 · 3 obs

○ 2017-03-24 00:58:04
● 2026-04-07 18:04:20
● 2026-05-14 08:46:24

○A103.241.230.1352017-03-24 → 2017-03-24 · 4 obs

○ 2016-02-09 07:55:56
● 2017-03-24 00:58:04
○ 2026-04-07 18:04:20
○ 2026-05-14 08:46:24

○A103.241.230.1372017-03-24 → 2017-03-24 · 4 obs

○ 2016-02-09 07:55:56
● 2017-03-24 00:58:04
○ 2026-04-07 18:04:20
○ 2026-05-14 08:46:24

○A103.241.230.1382017-03-24 → 2017-03-24 · 4 obs

○ 2016-02-09 07:55:56
● 2017-03-24 00:58:04
○ 2026-04-07 18:04:20
○ 2026-05-14 08:46:24

○A103.241.230.1392017-03-24 → 2017-03-24 · 4 obs

○ 2016-02-09 07:55:56
● 2017-03-24 00:58:04
○ 2026-04-07 18:04:20
○ 2026-05-14 08:46:24

○A107.167.19.672015-11-17 → 2015-11-17 · 4 obs

○ 2015-07-21 23:46:42
● 2015-11-17 23:23:10
○ 2016-02-09 07:55:56
○ 2026-05-14 08:46:24

○A107.167.19.682015-11-17 → 2015-11-17 · 4 obs

○ 2015-07-21 23:46:42
● 2015-11-17 23:23:10
○ 2016-02-09 07:55:56
○ 2026-05-14 08:46:24

○A107.167.19.692015-11-17 → 2015-11-17 · 4 obs

○ 2015-07-21 23:46:42
● 2015-11-17 23:23:10
○ 2016-02-09 07:55:56
○ 2026-05-14 08:46:24

○A107.167.19.702015-11-17 → 2015-11-17 · 4 obs

○ 2015-07-21 23:46:42
● 2015-11-17 23:23:10
○ 2016-02-09 07:55:56
○ 2026-05-14 08:46:24

○A107.167.19.722016-02-09 → 2016-02-09 · 4 obs

○ 2015-11-17 23:23:10
● 2016-02-09 07:55:56
○ 2017-03-24 00:58:04
○ 2026-05-14 08:46:24

○A107.167.19.732016-02-09 → 2016-02-09 · 4 obs

○ 2015-11-17 23:23:10
● 2016-02-09 07:55:56
○ 2017-03-24 00:58:04
○ 2026-05-14 08:46:24

○A198.148.92.532015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 23:46:42
○ 2026-04-07 18:04:20
○ 2026-05-14 08:46:24

○A198.148.92.562015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 23:46:42
○ 2026-04-07 18:04:20
○ 2026-05-14 08:46:24

○A198.148.92.582015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 23:46:42
○ 2026-04-07 18:04:20
○ 2026-05-14 08:46:24

○A198.148.92.622015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 23:46:42
○ 2026-04-07 18:04:20
○ 2026-05-14 08:46:24

○CNAMEcs.ename.net2015-11-17 → 2017-03-24 · 7 obs

○ 2015-07-21 23:46:42
● 2015-11-17 23:23:10
● 2016-02-09 07:55:56
○ 2016-04-29 07:19:24
● 2017-03-24 00:58:04
○ 2026-04-07 18:04:20
○ 2026-05-14 08:46:24

○CNAMEfw.ename.net2015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 23:46:42
○ 2015-11-17 23:23:10
○ 2026-05-14 08:46:24

●CNAMEy09.yimaoip.com2026-04-07 → 2026-05-14 · 3 obs

○ 2017-03-24 00:58:04
● 2026-04-07 18:04:20
● 2026-05-14 08:46:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
21712.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server:162.159.27.251

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21712.cn (unsigned zone)

⏱️ Timing

Total: 1580ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.julydns.com, ns2.julydns.com`
CNAME	1	`y09.yimaoip.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

IP Addresses

21712.cn points to a single IP number: 168.76.252.113.

Other host names, for instance y09.yimaoip.com, c12.yimaoip.com and c06.yimaoip.com share IP numbers with 21712.cn.

21712.cn - robtex.com

21712.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

`21712.cn`

`cn`