`edusecurity.cn`

DNSSEC	⚠️ Not signed
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=1774504363

`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 2035-12-19 #22

Same first word

edusecurity.cn

Similar names

securityedu.com

duesecurity.com

securitydue.ca

securitydue.com

DNS History

4 records (4 active, 0 former)

●NSns1.judns.com2026-06-11 → 2026-08-01 · 2 obs

● 2026-06-11 07:10:06
● 2026-08-01 22:09:06

●NSns1.julydns.com2026-08-01 → 2026-08-01 · 2 obs

○ 2026-06-11 07:10:06
● 2026-08-01 22:09:06

●NSns2.judns.com2026-06-11 → 2026-08-01 · 2 obs

● 2026-06-11 07:10:06
● 2026-08-01 22:09:06

●NSns2.julydns.com2026-08-01 → 2026-08-01 · 2 obs

○ 2026-06-11 07:10:06
● 2026-08-01 22:09:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn...	-
edusecurity.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 edusecurity.cn (unsigned zone)

⏱️ Timing

Total: 763ms | Queries: -

📄 Records

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

Analysis

Name Servers

The authoritative name servers for edusecurity.cn are ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

The name servers of edusecurity.cn overlap at least partially with those of other domains — among them gift4s.com, sztykjled.cn, xfge.com and two more.

These name servers commonly appear alongside the name servers ns1.onclouddns.com and ns2.onclouddns.com.

Four host names each point to one IP address: ns1.judns.com and ns2.judns.com both point to 162.159.27.251, and ns1.julydns.com and ns2.julydns.com both point to 162.159.48.223.

Both ns1.judns.com and ns2.judns.com resolve to 162.159.27.251 IP addresses each.

Both ns1.julydns.com and ns2.julydns.com resolve to 162.159.48.223 IP addresses each.

edusecurity.cn - robtex.com

edusecurity.cn

cn