`pbbz.cn`

DNSSEC	⚠️ Not signed
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}

`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 2035-10-02 #80

Previously NS for

pbbz.cn

Same first word

pbbz.cn

pbbz.nl

Similar names

zbbp.cn

bzpb.com

bbzp.cc

bbpz.net

bpbz.com

zbbp.net

zbbp.net.cn

zpbb.cn

zpbb.com

bbpz.com

bpzb.com

pzbb.de

bbzp.ch

bbzp.com

bzpb.de

pzbb.com

bbzp.de

DNS History

7 records (2 active, 5 former)

●NSns1.judns.com2026-07-03 → 2026-07-28 · 3 obs

○ 2015-07-16 22:45:50
● 2026-07-03 23:15:14
● 2026-07-28 05:56:48

○NSns1.julydns.com2026-07-03 → 2026-07-03 · 3 obs

○ 2015-07-16 22:45:50
● 2026-07-03 23:15:14
○ 2026-07-28 05:56:48

●NSns2.judns.com2026-07-03 → 2026-07-28 · 3 obs

○ 2015-07-16 22:45:50
● 2026-07-03 23:15:14
● 2026-07-28 05:56:48

○NSns2.julydns.com2026-07-03 → 2026-07-03 · 3 obs

○ 2015-07-16 22:45:50
● 2026-07-03 23:15:14
○ 2026-07-28 05:56:48

○NSpbbz.cn2015-07-16 → 2015-07-16 · 3 obs

● 2015-07-16 22:45:50
○ 2026-07-03 23:15:14
○ 2026-07-28 05:56:48

○A174.139.183.1872015-07-16 → 2015-07-16 · 3 obs

● 2015-07-16 22:45:50
○ 2026-07-03 23:15:14
○ 2026-07-28 05:56:48

○CNAMEpk.22.cn2026-07-03 → 2026-07-03 · 2 obs

● 2026-07-03 23:15:14
○ 2026-07-28 05:56:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, ns.cernet.net, b.dns.cn, a.dns.cn...	11 records
pbbz.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 pbbz.cn (unsigned zone)

⏱️ Timing

Total: 1849ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.julydns.com, ns2.julydns.com`
CNAME	1	`pk.22.cn`
SOA	1	`ns1.julydns.com master.jmdns.com`

📌 Glue Records Collected

Total: 11

In-bailiwick: 10 (a.dns.cn, b.dns.cn, c.dns.cn...)

Out-of-bailiwick: 1 (ns.cernet.net)

Analysis

Name Servers

Two name servers handle the delegation for pbbz.cn: ns1.judns.com and ns2.judns.com.

pbbz.cn shares its name server setup with other domains, including hayati.cn, rzfangchan.com, ipazz.cn and two others.

pbbz.cn partially shares its NS delegation with several other domains, including hztaisi.com, fstn.cn, derison.cn and two others.

These name servers are regularly seen alongside ns1.julydns.com and ns2.julydns.com as name servers.

ns1.judns.com directs to 162.159.27.251, as does ns2.judns.com — both hostnames resolve to that one IP address.

ns1.judns.com along with ns2.judns.com each resolve to 162.159.27.251 IP addresses.

pbbz.cn - robtex.com

pbbz.cn

cn