`zbyjs.cn`

	CNAME	`host.winasp2.libao007.com`
	DNSSEC	⚠️ Not signed
	A	111.21.159.227^{🇨🇳 CHINAMOBILE-CN111.21.0.0/16 CMI (Customer Route)}

`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=2034795404

WOT: UNKNOWN (61/100)

Subdomains

www.zbyjs.cn

Same first word

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DNS History

6 records (5 active, 1 former)

●NSns11.xincache.com2026-02-22 → 2026-05-15 · 3 obs

○ 2015-07-25 23:07:50
● 2026-02-22 00:56:22
● 2026-05-15 10:03:16

●NSns12.xincache.com2026-02-22 → 2026-05-15 · 3 obs

○ 2015-07-25 23:07:50
● 2026-02-22 00:56:22
● 2026-05-15 10:03:16

●NSns13.xincache.com2015-07-25 → 2026-05-15 · 2 obs

● 2015-07-25 23:07:50
● 2026-05-15 10:03:16

●NSns14.xincache.com2015-07-25 → 2026-05-15 · 2 obs

● 2015-07-25 23:07:50
● 2026-05-15 10:03:16

○A218.30.23.1052015-07-25 → 2017-08-15 · 4 obs

● 2015-07-25 23:07:50
● 2017-08-15 03:15:16
○ 2026-02-22 00:56:22
○ 2026-05-15 10:03:16

●CNAMEhost.winasp2.libao007.com2026-02-22 → 2026-05-15 · 2 obs

● 2026-02-22 00:56:22
● 2026-05-15 10:03:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
zbyjs.cn	ns11.xincache.com, ns12.xincache.com	-

✅ Authoritative Response

Server:112.80.181.45

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zbyjs.cn (unsigned zone)

⏱️ Timing

Total: 1444ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns14.xincache.com, ns13.xincache.com`
CNAME	1	`host.winasp2.libao007.com`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

Hierarchy

The parent of www.zbyjs.cn is zbyjs.cn.

IP Addresses

zbyjs.cn points to a single IP number: 111.21.159.227.

Other host names, for instance xiandadiphyto.com and host.winasp2.libao007.com, share IP numbers with zbyjs.cn.

zbyjs.cn - robtex.com

zbyjs.cn

cn