`guoduu.com`

DNSSEC	⚠️ Not signed
NS	`ns1.a1-w.com` ⚠️ Not in zone NS records
		A	82.157.251.134^{🇨🇳 TENCENT-NET-AP82.157.192.0/18}
NS	`ns2.a1-w.com` ⚠️ Not in zone NS records
		A	1.15.113.13^{🇨🇳 TENCENT-NET-AP1.15.64.0/18}

`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=1774460487

Same first word

guoduu.com

Similar names

guuduo.com

goduuu.com

doguuu.com

DNS History

2 records (2 active, 0 former)

●NSns1.a1-w.com2026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 14:20:46
● 2026-03-25 17:53:46

●NSns2.a1-w.com2026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 14:20:46
● 2026-03-25 17:53:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
guoduu.com	ns1.a1-w.com, ns2.a1-w.com	2 records

✅ Authoritative Response

Server:192.52.178.30

NS records: ns1.a1-w.com, ns2.a1-w.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for guoduu.com (unsigned zone)

⏱️ Timing

Total: 5031ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.a1-w.com, ns2.a1-w.com)

Analysis

Name Servers

guoduu.com's delegation uses two name servers, ns1.a1-w.com and ns2.a1-w.com.

guoduu.com shares the same name server setup as other domains, for example byktn.com, ryokj.com, shuicuan.com, pouqin.com and cuanjuan.com.

Host names with a single IP:

ns1.a1-w.com points to 82.157.251.134.

ns2.a1-w.com points to 1.15.113.13.

guoduu.com - robtex.com

guoduu.com

com