`cardblue.com`

DNSSEC	⚠️ Not signed
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`
NS	`dmtu.mt.ns.els-gms.att.net` ⚠️ Not in zone NS records
		A	2001:1890:1ff:9f1:99:99:99:134^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`dmtu.mt.ns.els-gms.att.net`
		A	99.99.99.134^{🇺🇸 AS701899.96.0.0/13 AT&T Enterprises, LLC}
			PTR	`dmtu.mt.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=1774889377

Same first word

cardblue.de

cardblue.net

cardblue.com

Similar names

DNS History

2 records (2 active, 0 former)

●NSdbru.br.ns.els-gms.att.net2026-03-26 → 2026-03-30 · 2 obs

● 2026-03-26 16:30:34
● 2026-03-30 17:00:34

●NSdmtu.mt.ns.els-gms.att.net2026-03-26 → 2026-03-30 · 2 obs

● 2026-03-26 16:30:34
● 2026-03-30 17:00:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cardblue.com	dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net	-

✅ Authoritative Response

Server:99.99.99.134

NS records: dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cardblue.com (unsigned zone)

⏱️ Timing

Total: 355ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

cardblue.com's delegation uses two name servers, dbru.br.ns.els-gms.att.net and dmtu.mt.ns.els-gms.att.net.

cardblue.com shares the same name server setup as other domains, for example avila.edu, 156.97.32.in-addr.arpa, navagent.net, iamachampion.com and cproperties.com.

cardblue.com at least partially shares name servers with other domains, including 57.153.204.in-addr.arpa, legacyinfo.com, experiencesvacations.com.mx, easternnebraskagrain.com and rci7seas.com.

These name servers are typically used together with the name servers cmtu.mt.ns.els-gms.att.net, cbru.br.ns.els-gms.att.net, b23.ns.els-gms.att.net, m23.ns.els-gms.att.net, ns3.level3.net, ns4.level3.net, b24.ns.els-gms.att.net, m24.ns.els-gms.att.net, xbru.br.ns.els-gms.att.net and dnsmgr3.level3.net.

Host names with two IPs:

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

dmtu.mt.ns.els-gms.att.net points to: 2001:1890:1ff:9f1:99:99:99:134 and 99.99.99.134

cardblue.com - robtex.com

cardblue.com

com