`antc.cn`

DNSSEC	⚠️ Not signed
NS	`a.share-dns.com` ⭐
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net`
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1769684356

`cn`

	DNSSEC	⚠️ Not signed
	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=2034586569

Same first word

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DNS History

2 records (2 active, 0 former)

●NSa.share-dns.com2026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 18:49:52
● 2026-03-25 18:28:30

●NSb.share-dns.net2026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 18:49:52
● 2026-03-25 18:28:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, c.dns.cn, a.dns.cn, d.dns.cn...	-
antc.cn	a.share-dns.com, b.share-dns.net	-

✅ Authoritative Response

Server:172.64.52.239

NS records: a.share-dns.com, b.share-dns.net

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

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

⏱️ Timing

Total: 3343ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

Analysis

Name Servers

antc.cn has two name servers: a.share-dns.com and b.share-dns.net.

antc.cn shares the same name server setup as other domains, for example 1phui.com, tbwing.net, 1979go.com, ttcp60.com and bjzysp.com.

antc.cn shares some name servers with other domains, for example 85k2nikw.com, bjbyaj.com, hx-wl.com.cn, zhongkanghuanbao.com and jingzhipower.com.

these name servers are often used with a4.share-dns.com, b4.share-dns.net, a5.share-dns.com, b5.share-dns.net, a6.share-dns.com, b6.share-dns.net, a9.share-dns.com, b9.share-dns.net, a7.share-dns.com and b7.share-dns.net.

Host names with a single IP:

a.share-dns.com points to 172.64.53.25

b.share-dns.net points to 172.64.52.239

antc.cn - robtex.com

antc.cn

cn