`gdutlu.com`

DNSSEC	⚠️ Not signed
A	148.178.255.13^{🇺🇸 ENETWORKS128.0.0.0/2}
NS	`a.share-dns.com` ⭐
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net`
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1773905188

`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=1774569662

Subdomains

www.gdutlu.com

Same first word

gdutlu.com

DNS History

6 records (3 active, 3 former)

●NSa.share-dns.com2026-03-27 → 2026-03-27 · 2 obs

○ 2019-04-02 15:47:58
● 2026-03-27 00:09:56

●NSb.share-dns.net2026-03-27 → 2026-03-27 · 2 obs

○ 2019-04-02 15:47:58
● 2026-03-27 00:09:56

○NSf1g1ns1.dnspod.net2019-04-02 → 2019-04-02 · 2 obs

● 2019-04-02 15:47:58
○ 2026-03-27 00:09:56

○NSf1g1ns2.dnspod.net2019-04-02 → 2019-04-02 · 2 obs

● 2019-04-02 15:47:58
○ 2026-03-27 00:09:56

●A148.178.255.132026-03-27 → 2026-03-27 · 1 obs

● 2026-03-27 00:09:56

○A154.200.241.102026-03-27 → 2026-03-27 · 1 obs

○ 2026-03-27 00:09:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...	-
gdutlu.com	a.share-dns.com, b.share-dns.net	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: a.share-dns.com, b.share-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gdutlu.com (unsigned zone)

⏱️ Timing

Total: 349ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`148.178.255.13`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a.share-dns.com)

Analysis

Hierarchy

gdutlu.com is the parent of www.gdutlu.com.

IP Addresses

gdutlu.com resolves to a single IP address: 148.178.255.13.

Other host names, for instance shoushiguche.com, share IP numbers with gdutlu.com.

Name Servers

gdutlu.com's delegation uses two name servers, a.share-dns.com and b.share-dns.net.

gdutlu.com shares the same name server setup as other domains, for example rc571.net, hg65550.com, gxtsport.com, alwaysdrinkingproductions.com and shengtai88.com.

gdutlu.com at least partially shares name servers with other domains, including gxsh168.com, (0x706f726e)videoo.com, bjlyms.com, 86943.xyz and 6z1g.com.

These name servers are typically used together with the name servers a12.share-dns.com, b12.share-dns.net, a6.share-dns.com, b6.share-dns.net, a2.share-dns.com, b2.share-dns.net, a10.share-dns.com, b10.share-dns.net, a1.share-dns.com and b1.share-dns.net.

Host names with a single IP:

a.share-dns.com points to 172.64.53.25.

b.share-dns.net points to 172.64.52.239.

gdutlu.com - robtex.com

gdutlu.com

com