`520hd.cn`

DNSSEC	⚠️ Not signed
A	156.241.171.220^{🇭🇰 AS400619156.241.168.0/21 aross}
NS	`ns1.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}
NS	`ns1.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.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}
SOA	`ns1.julydns.com`master@jmdns.com serial=1756172643

`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=2034796978

Same first word

520hd.cc

520hd.com

520hd.cn

Similar names

502hd.com

025dh.com

dh250.com

hd025.com

hd520.com

025hd.com

hd502.com

250dh.com

dh502.net

dh520.tv

205hd.com

250dh.cn

DNS History

5 records (5 active, 0 former)

●NSns1.judns.com2026-03-29 → 2026-05-15 · 2 obs

● 2026-03-29 10:32:48
● 2026-05-15 18:16:22

●NSns1.julydns.com2026-03-29 → 2026-05-15 · 2 obs

● 2026-03-29 10:32:48
● 2026-05-15 18:16:22

●NSns2.judns.com2026-03-29 → 2026-05-15 · 2 obs

● 2026-03-29 10:32:48
● 2026-05-15 18:16:22

●NSns2.julydns.com2026-03-29 → 2026-05-15 · 2 obs

● 2026-03-29 10:32:48
● 2026-05-15 18:16:22

●A156.241.171.2202026-03-29 → 2026-05-15 · 2 obs

● 2026-03-29 10:32:48
● 2026-05-15 18:16:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...	-
520hd.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server:162.159.27.251

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 520hd.cn (unsigned zone)

⏱️ Timing

Total: 1825ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.241.171.220`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

IP Addresses

520hd.cn points to a single IP address: 156.241.171.220.

Other host names, for instance avuw.cn, share IP numbers with 520hd.cn.

Name Servers

520hd.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

At least part of the name servers for 520hd.cn are shared with other domains, for instance p5u.net, qq-web.com, haixiaoxiang.com, q0cg.com and rqah.cn.