`gspreferredchecking.com`

DNSSEC	⚠️ Not signed
NS	`auth101.ns.uu.net` ⚠️ Not in zone NS records
		A	198.6.1.210^{🇺🇸 AS701198.6.0.0/16 MCI Communications Services, LLC d/b/a Verizon Business}
NS	`cmtu.mt.ns.els-gms.att.net` ⚠️ Not in zone NS records
		A	2001:1890:1ff:9f1:99:99:99:132^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`cmtu.mt.ns.els-gms.att.net`
		A	99.99.99.132^{🇺🇸 AS701899.96.0.0/13 AT&T Enterprises, LLC}
			PTR	`cmtu.mt.ns.els-gms.att.net`
NS	`dbru.br.ns.els-gms.att.net` ⚠️ Not in zone NS records
		A	2001:1890:1ff:9f0:68:94:156:134^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`dbru.br.ns.els-gms.att.net`
		A	68.94.156.134^{🇺🇸 AS701868.88.0.0/13 ARIN Allocation SBC Internet Services}
			PTR	`dbru.br.ns.els-gms.att.net`

`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=1778694006

Same first word

gspreferredchecking.com

DNS History

3 records (3 active, 0 former)

●NSauth101.ns.uu.net2026-04-09 → 2026-05-13 · 2 obs

● 2026-04-09 15:37:10
● 2026-05-13 17:49:40

●NScmtu.mt.ns.els-gms.att.net2026-04-09 → 2026-05-13 · 2 obs

● 2026-04-09 15:37:10
● 2026-05-13 17:49:40

●NSdbru.br.ns.els-gms.att.net2026-04-09 → 2026-05-13 · 2 obs

● 2026-04-09 15:37:10
● 2026-05-13 17:49:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net...	-
gspreferredchecking.com	cmtu.mt.ns.els-gms.att.net, dbru.br.ns.els-gms.att.net, auth101.ns.uu.net	-

✅ Authoritative Response

Server:99.99.99.132

NS records: cmtu.mt.ns.els-gms.att.net, dbru.br.ns.els-gms.att.net, auth101.ns.uu.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gspreferredchecking.com (unsigned zone)

⏱️ Timing

Total: 4252ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

gspreferredchecking.com is delegated to three name servers: auth101.ns.uu.net, dbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.net.

gspreferredchecking.com at least partially shares name servers with other domains, for instance 142.110.12.in-addr.arpa, alliancerecruiting.net, carnivalcruises2012.com, allflex-group.com.cn and seietf.com.

These name servers are commonly used alongside dmtu.mt.ns.els-gms.att.net, cbru.br.ns.els-gms.att.net, auth51.ns.uu.net, dns3.carnival.com, b23.ns.els-gms.att.net, m23.ns.els-gms.att.net, xbru.br.ns.els-gms.att.net, nsa.ups.com, nsb.ups.com and shadowcat-i.ups.com.

Host names with two IP numbers:

dbru.br.ns.els-gms.att.net points to: 2001:1890:1ff:9f0:68:94:156:134 and 68.94.156.134.

cmtu.mt.ns.els-gms.att.net points to: 2001:1890:1ff:9f1:99:99:99:132 and 99.99.99.132.

Host names with one IP number:

auth101.ns.uu.net points to: 198.6.1.210.

gspreferredchecking.com - robtex.com