`kosdn.cn`

DNSSEC	⚠️ Not signed
A	208.98.40.204^{🇺🇸 SHARKTECH-1208.98.40.0/24}
NS	`www.kosdn.cn` ⭐
		A	208.98.40.77^{🇺🇸 SHARKTECH-1208.98.40.0/24}
NS	`ns1.4.cn` ⚠️ Not in zone NS records
		A	107.167.27.66^{🇺🇸 SHARKTECH-1107.167.27.0/24 CMI (Customer Route)}
NS	`ns2.4.cn` ⚠️ Not in zone NS records
SOA	`www.kosdn.cn`kosdn@cn 2008-08-03 #0

`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=2034667675

Same first word

kosdn.cn

Similar names

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DNS History

12 records (4 active, 8 former)

●NSns1.4.cn2026-04-12 → 2026-04-14 · 3 obs

○ 2015-05-18 12:49:44
● 2026-04-12 17:46:48
● 2026-04-14 01:20:38

●NSns2.4.cn2026-04-12 → 2026-04-14 · 3 obs

○ 2015-05-18 12:49:44
● 2026-04-12 17:46:48
● 2026-04-14 01:20:38

●NSwww.kosdn.cn2015-05-18 → 2026-04-14 · 2 obs

● 2015-05-18 12:49:44
● 2026-04-14 01:20:38

○MXio.bouncemx.com2015-10-22 → 2016-05-10 · 4 obs

● 2015-10-22 08:29:28
● 2016-05-10 09:13:30
○ 2017-09-30 21:34:02
○ 2026-04-14 01:20:38

●A208.98.40.2042026-04-14 → 2026-04-14 · 2 obs

○ 2026-04-12 17:46:48
● 2026-04-14 01:20:38

○A208.98.40.2082026-04-12 → 2026-04-12 · 3 obs

○ 2017-09-30 21:34:02
● 2026-04-12 17:46:48
○ 2026-04-14 01:20:38

○A70.39.84.2262016-03-25 → 2016-03-25 · 4 obs

○ 2015-12-29 15:13:08
● 2016-03-25 18:24:00
○ 2016-05-10 09:13:30
○ 2026-04-14 01:20:38

○A70.39.84.2322015-12-29 → 2015-12-29 · 4 obs

○ 2015-10-22 08:29:28
● 2015-12-29 15:13:08
○ 2016-03-25 18:24:00
○ 2026-04-14 01:20:38

○A70.39.84.2452016-05-10 → 2016-05-10 · 4 obs

○ 2016-03-25 18:24:00
● 2016-05-10 09:13:30
○ 2017-09-30 21:34:02
○ 2026-04-14 01:20:38

○A70.39.84.2462015-05-18 → 2015-10-22 · 4 obs

● 2015-05-18 12:49:44
● 2015-10-22 08:29:28
○ 2015-12-29 15:13:08
○ 2026-04-14 01:20:38

○CNAMEk.17986.net2021-03-28 → 2021-03-28 · 4 obs

○ 2017-09-30 21:34:02
● 2021-03-28 04:26:22
○ 2026-04-12 17:46:48
○ 2026-04-14 01:20:38

○CNAMEk.dcoin.co2015-05-18 → 2017-09-30 · 6 obs

● 2015-05-18 12:49:44
● 2016-05-10 09:13:30
○ 2016-11-15 06:08:00
● 2017-09-30 21:34:02
○ 2021-03-28 04:26:22
○ 2026-04-14 01:20:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
kosdn.cn	ns1.4.cn, ns2.4.cn	-

✅ Authoritative Response

Server:107.167.27.66

NS records: ns1.4.cn, ns2.4.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kosdn.cn (unsigned zone)

⏱️ Timing

Total: 3253ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.98.40.204`
SOA	1	`www.kosdn.cn kosdn.cn`

Analysis

IP Addresses

kosdn.cn resolves to a single IP address: 208.98.40.204.

Other host names including mail.hbguohuai.com, 18xs.org, qnzyxy.com, www.qztsjx.com and www.www.www.wx3w.com share IP numbers with kosdn.cn.

Name Servers

kosdn.cn is delegated to three name servers: ns1.4.cn, ns2.4.cn and www.kosdn.cn.

kosdn.cn at least partially shares name servers with other domains, including fushixiu.com, 6418.cc, weldotherm.cn, yanglao.cc and dancering.cn.

These name servers are commonly used with ns3.goldenname.com and ns4.goldenname.com.

Host names with a single IP:

ns1.4.cn points to 107.167.27.66.

www.kosdn.cn points to 208.98.40.77.

kosdn.cn - robtex.com

kosdn.cn

cn