`ckerdmu.cn`

DNSSEC	⚠️ Not signed
A	23.235.158.52^{🇺🇸 POWERLINE-HK23.235.128.0/19 CMI (Customer Route)}
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=1779886850

`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=2035158982

Same first word

ckerdmu.cn

Similar names

dukercm.com

DNS History

5 records (3 active, 2 former)

●NSa.share-dns.com2026-02-18 → 2026-08-09 · 2 obs

● 2026-02-18 22:00:58
● 2026-08-09 10:08:40

●NSb.share-dns.net2026-02-18 → 2026-08-09 · 2 obs

● 2026-02-18 22:00:58
● 2026-08-09 10:08:40

○A107.151.66.552026-02-18 → 2026-02-18 · 3 obs

● 2026-02-18 22:00:58
○ 2026-06-21 01:12:14
○ 2026-08-09 10:08:40

○A160.124.88.1852026-02-18 → 2026-08-09 · 2 obs

○ 2026-02-18 22:00:58
○ 2026-08-09 10:08:40

●A23.235.158.522026-06-21 → 2026-08-09 · 3 obs

○ 2026-02-18 22:00:58
● 2026-06-21 01:12:14
● 2026-08-09 10:08:40

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:172.64.53.25

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ckerdmu.cn (unsigned zone)

⏱️ Timing

Total: 817ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.235.158.52`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

Analysis

IP Addresses

ckerdmu.cn has exactly one IP address — 23.235.158.52.

Name Servers

DNS delegation for ckerdmu.cn points to two name servers: a.share-dns.com and b.share-dns.net.

The name server configuration of ckerdmu.cn is shared with other domains, for instance domestico-basso.com, jnyiqiu.com, hannongyuan.com and two others.

There is at least partial name server overlap between ckerdmu.cn and other domains — vovool.com, qwdjq.com, splmovietime.com and two more among them.

These name servers regularly appear alongside a3.share-dns.com, b3.share-dns.net, a12.share-dns.com and 7 other name servers in NS record sets.

a.share-dns.com → 172.64.53.25 and b.share-dns.net → 172.64.52.239: one IP number per host name.

ckerdmu.cn - robtex.com

ckerdmu.cn

cn