codems.cn - dns.ninja

`codems.cn`

DNSSEC	⚠️ Not signed
A	154.194.255.131^{🇲🇾 ANSHENG-AS-AP154.194.255.0/24 LANDUI CLOUD COMPUTING (HK) LIMITED}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.onclouddns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.onclouddns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.julydns.com`master@jmdns.com serial=1783082288

`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=2035168273

Same first word

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DNS History

18 records (5 active, 13 former)

○NSdns7.expirenotification.com2026-04-21 → 2026-04-29 · 5 obs

○ 2026-04-11 16:41:52
● 2026-04-21 21:28:54
● 2026-04-29 02:35:56
○ 2026-05-20 20:35:18
○ 2026-08-11 14:45:14

○NSdns8.expirenotification.com2026-04-21 → 2026-04-29 · 5 obs

○ 2026-04-11 16:41:52
● 2026-04-21 21:28:54
● 2026-04-29 02:35:56
○ 2026-05-20 20:35:18
○ 2026-08-11 14:45:14

○NSf1g1ns1.dnspod.net2016-03-03 → 2020-01-15 · 4 obs

● 2016-03-03 09:23:24
● 2020-01-15 01:30:42
○ 2026-02-15 07:18:38
○ 2026-08-11 14:45:14

○NSf1g1ns2.dnspod.net2016-03-03 → 2020-01-15 · 4 obs

● 2016-03-03 09:23:24
● 2020-01-15 01:30:42
○ 2026-02-15 07:18:38
○ 2026-08-11 14:45:14

○NSns1.judns.com2026-02-15 → 2026-04-11 · 5 obs

○ 2020-01-15 01:30:42
● 2026-02-15 07:18:38
● 2026-04-11 16:41:52
○ 2026-04-21 21:28:54
○ 2026-08-11 14:45:14

●NSns1.julydns.com2026-02-15 → 2026-08-11 · 7 obs

○ 2020-01-15 01:30:42
● 2026-02-15 07:18:38
● 2026-04-11 16:41:52
○ 2026-04-21 21:28:54
○ 2026-04-29 02:35:56
● 2026-05-20 20:35:18
● 2026-08-11 14:45:14

●NSns1.onclouddns.com2026-05-20 → 2026-08-11 · 3 obs

○ 2026-04-29 02:35:56
● 2026-05-20 20:35:18
● 2026-08-11 14:45:14

○NSns2.judns.com2026-02-15 → 2026-04-11 · 5 obs

○ 2020-01-15 01:30:42
● 2026-02-15 07:18:38
● 2026-04-11 16:41:52
○ 2026-04-21 21:28:54
○ 2026-08-11 14:45:14

●NSns2.julydns.com2026-02-15 → 2026-08-11 · 7 obs

○ 2020-01-15 01:30:42
● 2026-02-15 07:18:38
● 2026-04-11 16:41:52
○ 2026-04-21 21:28:54
○ 2026-04-29 02:35:56
● 2026-05-20 20:35:18
● 2026-08-11 14:45:14

●NSns2.onclouddns.com2026-05-20 → 2026-08-11 · 3 obs

○ 2026-04-29 02:35:56
● 2026-05-20 20:35:18
● 2026-08-11 14:45:14

○MXmxdomain.qq.com2016-07-13 → 2026-02-15 · 4 obs

● 2016-07-13 17:28:00
● 2026-02-15 07:18:38
○ 2026-03-12 03:49:40
○ 2026-08-11 14:45:14

○A115.159.101.1442016-07-13 → 2017-03-16 · 5 obs

○ 2016-03-03 09:23:24
● 2016-07-13 17:28:00
● 2017-03-16 04:00:30
○ 2020-01-15 01:30:42
○ 2026-08-11 14:45:14

○A139.129.12.192016-03-03 → 2016-03-03 · 3 obs

● 2016-03-03 09:23:24
○ 2016-07-13 17:28:00
○ 2026-08-11 14:45:14

○A150.109.51.762020-01-15 → 2020-01-15 · 4 obs

○ 2017-03-16 04:00:30
● 2020-01-15 01:30:42
○ 2026-02-15 07:18:38
○ 2026-08-11 14:45:14

●A154.194.255.1312026-07-11 → 2026-08-11 · 3 obs

○ 2026-05-28 20:37:28
● 2026-07-11 08:19:28
● 2026-08-11 14:45:14

○A45.194.143.2032026-02-15 → 2026-04-11 · 5 obs

○ 2020-01-15 01:30:42
● 2026-02-15 07:18:38
● 2026-04-11 16:41:52
○ 2026-04-21 21:28:54
○ 2026-08-11 14:45:14

○A67.211.69.342026-05-20 → 2026-05-20 · 4 obs

○ 2026-04-21 21:28:54
● 2026-05-20 20:35:18
○ 2026-05-28 20:37:28
○ 2026-08-11 14:45:14

○A67.211.77.242026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-20 20:35:18
● 2026-05-28 20:37:28
○ 2026-07-11 08:19:28
○ 2026-08-11 14:45:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
codems.cn	ns1.onclouddns.com, ns2.onclouddns.com	-

✅ Authoritative Response

Server:162.159.27.251

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codems.cn (unsigned zone)

⏱️ Timing

Total: 489ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.194.255.131`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

IP Addresses

codems.cn has exactly one IP address — 154.194.255.131.

444.wjxie.cn, www.0577gt.cn, gzhzxxkj.cn plus two other host names have IP numbers in common with codems.cn.

Name Servers

Four name servers handle the delegation for codems.cn: ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com.

There is at least partial name server overlap between codems.cn and other domains — zzruitian.com, mobile-download-kaiyun.com, pkuth.com and two more among them.

These name servers frequently co-occur with the name servers ns1.judns.com and ns2.judns.com.

ns1.julydns.com and ns2.julydns.com share the IP address 162.159.48.223; ns1.onclouddns.com and ns2.onclouddns.com share the IP address 162.159.27.251.

The host names ns1.julydns.com and ns2.julydns.com both resolve to 162.159.48.223 IP addresses.

The host names ns1.onclouddns.com and ns2.onclouddns.com both resolve to 162.159.27.251 IP addresses.