katcoder.com - dns.ninja

`katcoder.com`

CNAME	`3618.com.cn`
DNSSEC	⚠️ Not signed
NS	`ns1.ename.net` ⚠️ Not in zone NS records
		A	2001:df2:f080:1::8^{🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	61.158.128.31^{🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network}
			PTR	`31.128.158.61.ha.cnc`
		A	218.98.111.173^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`ns2.ename.net` ⚠️ Not in zone NS records
		A	240e:97d:10:1402:0:1:0:1005^{🇨🇳 CHINANET-Guangdong-DongGuan-IDC240e:97d::/36 DongGuan IDC Network}
		A	1.193.216.198^{🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network}
		A	183.253.57.199^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
		A	211.99.99.52^{🇨🇳 DONGGUAN-1211.99.99.0/24}
NS	`verification-kqhqngjggrhjcrwwkdokkd.ns101.verify.hn` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
		A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786223359

Same first word

katcoder.com

Similar names

DNS History

5 records (4 active, 1 former)

●NSns1.22.cn2026-02-21 → 2026-08-08 · 2 obs

● 2026-02-21 04:36:08
● 2026-08-08 21:33:20

●NSns2.22.cn2026-02-21 → 2026-08-08 · 2 obs

● 2026-02-21 04:36:08
● 2026-08-08 21:33:20

●NSverification-kqhqngjggrhjcrwwkdokkd.ns101.verify.hn2026-02-21 → 2026-08-08 · 2 obs

● 2026-02-21 04:36:08
● 2026-08-08 21:33:20

○MX.2026-02-21 → 2026-08-08 · 2 obs

○ 2026-02-21 04:36:08
○ 2026-08-08 21:33:20

●CNAME3618.com.cn2026-02-21 → 2026-08-08 · 4 obs

● 2026-02-21 04:36:08
○ 2026-07-17 06:13:54
● 2026-07-22 08:53:30
● 2026-08-08 21:33:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
katcoder.com	ns2.22.cn, ns1.22.cn, verification-kqhqngjggrhjcrwwkdokkd.ns101.verify.hn	-

✅ Authoritative Response

Server:211.99.99.61

NS records: ns2.22.cn, ns1.22.cn, verification-kqhqngjggrhjcrwwkdokkd.ns101.verify.hn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for katcoder.com (unsigned zone)

⏱️ Timing

Total: 4253ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.22.cn, ns2.22.cn`
CNAME	1	`3618.com.cn`
SOA	1	`ns1.22.cn dnsadmin.22.cn`

Analysis

Name Servers

katcoder.com is served by three name servers: ns1.ename.net, ns2.ename.net and verification-kqhqngjggrhjcrwwkdokkd.ns101.verify.hn.

The name servers of katcoder.com overlap at least partially with those of other domains — among them xkjz.com, jjj.cc, 408500.com and two more.

These name servers commonly co-occur with the name servers ns1.22.cn, ns2.22.cn, ns3.dns.com and ns4.dns.com.

Host names with four IP addresses:

ns2.ename.net resolves to 1.193.216.198, 183.253.57.199, 211.99.99.52 and 240e:97d:10:1402:0:1:0:1005.

Host names carrying three IP numbers:

ns1.ename.net maps to three IP addresses: 61.158.128.31, 218.98.111.173 and 2001:df2:f080:1::8.

Host names pointing to two IP addresses:

The A records for verification-kqhqngjggrhjcrwwkdokkd.ns101.verify.hn return 13.248.169.48 and 76.223.54.146.