`arkub.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns1.julydns.com` ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
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}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , 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 serial=2034604909

Same first word

arkub.co

arkub.cn

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DNS History

4 records (4 active, 0 former)

●NSns1.judns.com2026-03-13 → 2026-03-29 · 2 obs

● 2026-03-13 20:42:02
● 2026-03-29 08:40:44

●NSns1.julydns.com2026-03-13 → 2026-03-29 · 2 obs

● 2026-03-13 20:42:02
● 2026-03-29 08:40:44

●NSns2.judns.com2026-03-13 → 2026-03-29 · 2 obs

● 2026-03-13 20:42:02
● 2026-03-29 08:40:44

●NSns2.julydns.com2026-03-13 → 2026-03-29 · 2 obs

● 2026-03-13 20:42:02
● 2026-03-29 08:40:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
arkub.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server:162.159.27.251

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

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

⏱️ Timing

Total: 3836ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.julydns.com, ns2.julydns.com`

Analysis

Name Servers

arkub.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

arkub.cn at least partially shares name servers with other domains, including piawfm.cn, zzcba.com.cn, c0d83ab3af.top, jzuwomi.cn and cgink.com.