`guoxuejun.com`

	CNAME	`exp.julydns.com`
	DNSSEC	⚠️ Not signed
	A	172.65.35.146^{🇺🇸 Cloudflare172.65.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774471447

rank #661539 globally
rank #301922 in the tld

Same first word

guoxuejun.com

DNS History

5 records (3 active, 2 former)

●NSexp1.julydns.com2026-03-25 → 2026-03-25 · 3 obs

○ 2026-03-17 09:08:56
● 2026-03-25 21:11:36
● 2026-03-25 21:11:38

●NSexp2.julydns.com2026-03-25 → 2026-03-25 · 3 obs

○ 2026-03-17 09:08:56
● 2026-03-25 21:11:36
● 2026-03-25 21:11:38

○NSns1.julydns.com2026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 09:08:56
○ 2026-03-25 21:11:36
○ 2026-03-25 21:11:38

○NSns2.julydns.com2026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 09:08:56
○ 2026-03-25 21:11:36
○ 2026-03-25 21:11:38

●CNAMEexp.julydns.com2026-03-25 → 2026-03-25 · 2 obs

● 2026-03-25 21:11:36
● 2026-03-25 21:11:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
guoxuejun.com	exp1.julydns.com, exp2.julydns.com	2 records

✅ Authoritative Response

Server:172.65.53.238

NS records: exp1.julydns.com, exp2.julydns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for guoxuejun.com (unsigned zone)

⏱️ Timing

Total: 464ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`exp1.julydns.com, exp2.julydns.com`
CNAME	1	`exp.julydns.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (exp1.julydns.com, exp2.julydns.com)

Analysis

IP Addresses

guoxuejun.com points to a single IP number: 172.65.35.146.

Other host names, for instance exp.julydns.com, share IP numbers with guoxuejun.com.

guoxuejun.com - robtex.com

guoxuejun.com

com