`katcoder.com`

CNAME	`3618.com.cn`
DNSSEC	⚠️ Not signed
A	115.126.50.213^{🇭🇰 FTG-AS-AP115.126.50.0/24 Forewin Telecom Group Limited 5/F, 8-12 Wong Chuk Yeung Street Fo Tan, Shatin N.T. Hong Kong}
		PTR	`115-126-50-213.static.hkt.cc`
NS	`ns1.ename.net` ⭐
		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`
		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 Proxy-registered route object}
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`
TXT	`22090546-9b9d-4b49-b667-7dc76c251933`
TXT	`c089f59f261b4027aa00020feb89ac41`
SOA	`ns1.ename.net`admin@ename.net serial=1782700716

`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=1784842907

katcoder.com

5 records (4 active, 1 former)

●NSns1.22.cn2026-02-21 → 2026-07-23 · 2 obs

● 2026-02-21 04:36:08
● 2026-07-23 21:42:26

●NSns2.22.cn2026-02-21 → 2026-07-23 · 2 obs

● 2026-02-21 04:36:08
● 2026-07-23 21:42:26

●NSverification-kqhqngjggrhjcrwwkdokkd.ns101.verify.hn2026-02-21 → 2026-07-23 · 2 obs

● 2026-02-21 04:36:08
● 2026-07-23 21:42:26

○MX.2026-02-21 → 2026-07-23 · 2 obs

○ 2026-02-21 04:36:08
○ 2026-07-23 21:42:26

●CNAME3618.com.cn2026-02-21 → 2026-07-23 · 4 obs

● 2026-02-21 04:36:08
○ 2026-07-17 06:13:54
● 2026-07-22 08:53:30
● 2026-07-23 21:42:26

katcoder.com points to a single IP number: 115.126.50.213.

Host names such as 115-126-50-213.static.hkt.cc and 3618.com.cn share IP numbers with katcoder.com.

katcoder.com shares at least some of its name servers with other domains, including xkjz.com, jjj.cc, 408500.com and two others.

These name servers are frequently seen alongside the name servers ns3.dns.com, ns4.dns.com, ns1.22.cn and ns2.22.cn.

Host names resolving to four IP addresses:

Host names with three IP numbers:

Host names with two IP numbers: