`b-4.cn`

DNSSEC	⚠️ Not signed
A	23.225.34.75^{🇺🇸 CNSERVERSLLC23.225.34.0/24 cust proxy reg}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.julydns.com`master@jmdns.com serial=1767618468

`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=2034779163

Same first word

b-4.de

b-4.it

b-4.com

b-4.ch

b-4.cn

b-4.us

b-4.co.jp

b-4.jp

Similar names

4-b.dk

4-b.biz

4-b.fr

4-b.us

4-b.eu

4-b.de

4-b.ru

4-b.ch

4-b.net

4-b.pl

DNS History

8 records (5 active, 3 former)

○NSdns3.hichina.com2021-03-26 → 2021-10-09 · 4 obs

● 2021-03-26 19:19:52
● 2021-10-09 08:37:16
○ 2026-02-18 00:55:22
○ 2026-05-11 15:57:54

○NSdns4.hichina.com2021-03-26 → 2021-10-09 · 4 obs

● 2021-03-26 19:19:52
● 2021-10-09 08:37:16
○ 2026-02-18 00:55:22
○ 2026-05-11 15:57:54

●NSns1.judns.com2026-02-18 → 2026-05-11 · 3 obs

○ 2021-10-09 08:37:16
● 2026-02-18 00:55:22
● 2026-05-11 15:57:54

●NSns1.julydns.com2026-02-18 → 2026-05-11 · 3 obs

○ 2021-10-09 08:37:16
● 2026-02-18 00:55:22
● 2026-05-11 15:57:54

●NSns2.judns.com2026-02-18 → 2026-05-11 · 3 obs

○ 2021-10-09 08:37:16
● 2026-02-18 00:55:22
● 2026-05-11 15:57:54

●NSns2.julydns.com2026-02-18 → 2026-05-11 · 3 obs

○ 2021-10-09 08:37:16
● 2026-02-18 00:55:22
● 2026-05-11 15:57:54

○A204.188.217.1162021-03-26 → 2021-10-09 · 4 obs

● 2021-03-26 19:19:52
● 2021-10-09 08:37:16
○ 2026-02-18 00:55:22
○ 2026-05-11 15:57:54

●A23.225.34.752026-02-18 → 2026-05-11 · 3 obs

○ 2021-10-09 08:37:16
● 2026-02-18 00:55:22
● 2026-05-11 15:57:54

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:162.159.27.251

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b-4.cn (unsigned zone)

⏱️ Timing

Total: 3629ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.225.34.75`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

IP Addresses

b-4.cn points to a single IP number: 23.225.34.75.

other host names for instance zfrlq.com, rzst.com.cn, ss978.com, www.ctmn.com.cn and ngokhongkvdv.1431.com.cn share IP numbers with b-4.cn.

Name Servers

b-4.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

b-4.cn at least partially shares name servers with other domains, for instance gdbechance.com, cpgnt.com, nirwi.cn, lkyouth.com.cn and 521022.com.