`trzx.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.sfn.cn` ⭐
		A	111.63.77.29^{🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route)}
NS	`ns2.sfn.cn`
		A	101.37.119.99^{🇨🇳 Alibaba-Cloud101.37.0.0/17}
		A	111.63.77.30^{🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route)}
SOA	`ns1.sfn.cn`root@ns1.sfn.cn 2026-03-27 #14

`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=2034592523

WOT: UNKNOWN (60/100)

Subdomains

www.trzx.cn

Same first word

trzx.eu

trzx.net

trzx.cn

Similar names

zrxt.cn

rzxt.com

xrtz.cn

ztrx.xyz

ztxr.com.cn

tzrx.com

tzxr.cn

xzrt.net

rzxt.cn

txzr.net

DNS History

4 records (2 active, 2 former)

○NSlenovo-2pdgsf682015-06-11 → 2016-01-20 · 4 obs

● 2015-06-11 17:11:12
● 2016-01-20 09:39:42
○ 2016-04-11 10:49:02
○ 2026-03-27 07:52:46

●NSns1.sfn.cn2016-11-18 → 2026-03-27 · 3 obs

○ 2016-04-11 10:49:02
● 2016-11-18 20:21:16
● 2026-03-27 07:52:46

○NSns1.trzx.cn2016-04-11 → 2016-04-11 · 4 obs

○ 2016-01-20 09:39:42
● 2016-04-11 10:49:02
○ 2016-11-18 20:21:16
○ 2026-03-27 07:52:46

●NSns2.sfn.cn2016-11-18 → 2026-03-27 · 3 obs

○ 2016-04-11 10:49:02
● 2016-11-18 20:21:16
● 2026-03-27 07:52:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
trzx.cn	ns1.sfn.cn, ns2.sfn.cn	3 records

✅ Authoritative Response

Server:111.63.77.29

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3797ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.sfn.cn, ns1.sfn.cn`
SOA	1	`ns1.sfn.cn root.ns1.sfn.cn`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.sfn.cn, ns2.sfn.cn, ns2.sfn.cn)

Analysis

Hierarchy

trzx.cn is the parent of www.trzx.cn.

Name Servers

trzx.cn is delegated to two name servers ns1.sfn.cn and ns2.sfn.cn.

trzx.cn shares the same name server setup as other domains, for instance xinan.gov.cn, weltronics.com.cn, gzzzb.gov.cn, pthj.gov.cn and shinwa.com.cn.

trzx.cn at least partially shares name servers with other domains, for instance fairway.com.cn.

Two IP numbers for a host: ns2.sfn.cn points to 101.37.119.99 and 111.63.77.30.

One IP number for a host: ns1.sfn.cn points to 111.63.77.29.

trzx.cn - robtex.com

trzx.cn

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