`kaoshi51.com`

DNSSEC	⚠️ Not signed
NS	`ns1.cnolnic.com` ⭐
		A	240c:4082:0:5d01::4^{🇨🇳 Baidu240c:4082::/32}
		A	106.12.208.18^{🇨🇳 Baidu106.12.208.0/20 AS38365}
		A	218.5.79.117^{🇨🇳 CHINATELECOM-Fujian-Xiamen-IDC1218.5.72.0/21 厦门}
NS	`ns2.cnolnic.com`
		A	240c:4082:0:5d01::5^{🇨🇳 Baidu240c:4082::/32}
		A	106.12.205.190^{🇨🇳 Baidu106.12.192.0/20 AS38365}
		A	218.5.79.98^{🇨🇳 CHINATELECOM-Fujian-Xiamen-IDC1218.5.72.0/21 厦门}
SOA	`ns1.cnolnic.com`root@cnolnic.net 2006-11-24 #1

`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=1774527857

Subdomains

mail.kaoshi51.com

api.kaoshi51.com

Same first word

kaoshi51.com

Similar names

51kaoshi.com

DNS History

4 records (2 active, 2 former)

●NSns1.cnolnic.com2015-04-10 → 2026-03-26 · 2 obs

● 2015-04-10 05:33:46
● 2026-03-26 12:32:16

●NSns2.cnolnic.com2015-04-10 → 2026-03-26 · 2 obs

● 2015-04-10 05:33:46
● 2026-03-26 12:32:16

○MXmail.kaoshi51.com2015-04-10 → 2016-04-21 · 4 obs

● 2015-04-10 05:33:46
● 2016-04-21 16:59:38
○ 2016-12-01 22:34:06
○ 2026-03-26 12:32:16

○A182.48.116.792015-04-10 → 2016-04-21 · 4 obs

● 2015-04-10 05:33:46
● 2016-04-21 16:59:38
○ 2016-12-01 22:34:06
○ 2026-03-26 12:32:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kaoshi51.com	ns1.cnolnic.com, ns2.cnolnic.com	6 records

✅ Authoritative Response

Server:240c:4082:0:5d01::5

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kaoshi51.com (unsigned zone)

⏱️ Timing

Total: 2475ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.cnolnic.com, ns2.cnolnic.com`
SOA	1	`ns1.cnolnic.com root.cnolnic.net`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.cnolnic.com, ns1.cnolnic.com, ns1.cnolnic.com...)

Analysis

Hierarchy

kaoshi51.com is a parent of mail.kaoshi51.com and api.kaoshi51.com.

Name Servers

kaoshi51.com is delegated to two name servers: ns1.cnolnic.com and ns2.cnolnic.com.

kaoshi51.com uses the same name server setup as other domains, for instance bdtm.com.cn, moshangme.net, beautytextile.com, hhlt.com and rongzizulin.com.

Host names with three IP numbers: ns1.cnolnic.com points to 240c:4082:0:5d01::4, 106.12.208.18 and 218.5.79.117; ns2.cnolnic.com points to 240c:4082:0:5d01::5, 106.12.205.190 and 218.5.79.98.

kaoshi51.com - robtex.com

kaoshi51.com

com