`offcnzsb.com`

	CNAME	`host.offcnzsb.com`
	DNSSEC	⚠️ Not signed
	A	103.10.87.242^{🇨🇳 CHINANET-BJ-METRO103.10.84.0/22 regist for end user}

`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=1778690331

Subdomains

host.offcnzsb.com

Same first word

offcnzsb.com

DNS History

4 records (3 active, 1 former)

●NSdns15.hichina.com2019-12-15 → 2026-05-13 · 2 obs

● 2019-12-15 23:47:00
● 2026-05-13 16:48:08

●NSdns16.hichina.com2019-12-15 → 2026-05-13 · 2 obs

● 2019-12-15 23:47:00
● 2026-05-13 16:48:08

●CNAMEhost.offcnzsb.com2026-03-16 → 2026-05-13 · 3 obs

○ 2019-12-15 23:47:00
● 2026-03-16 13:50:00
● 2026-05-13 16:48:08

○CNAMEzg57.offcn.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 23:47:00
○ 2026-03-16 13:50:00
○ 2026-05-13 16:48:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net...	-
offcnzsb.com	dns15.hichina.com, dns16.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for offcnzsb.com (unsigned zone)

⏱️ Timing

Total: 3504ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns16.hichina.com, dns15.hichina.com`
CNAME	1	`host.offcnzsb.com`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

Hierarchy

offcnzsb.com is the parent of host.offcnzsb.com.

IP Addresses

offcnzsb.com points to a single IP number: 103.10.87.242.

other host names for instance zgxfks.com, kaozhiye.com, host.offcnzsb.com, zgjcks.com and host.zgcjpx.com share IP numbers with offcnzsb.com.

offcnzsb.com - robtex.com

offcnzsb.com

com