`cardinalcore.net`

DNSSEC	⚠️ Not signed
NS	`dbru.br.ns.els-gms.att.net` ⭐
		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`
		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`
MX	`mail.cardinalcore.net` ⭐
		A	96.38.0.105^{🇺🇸 Charter_Communications96.38.0.0/20}
			PTR	`syn-096-038-000-105.biz.spectrum.com`
SOA	`dbru.br.ns.els-gms.att.net`rm-hostmaster@ems.att.com serial=2

`net`

	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=1776099617

Subdomains

mail.cardinalcore.net

Same first word

cardinalcore.net

DNS History

3 records (3 active, 0 former)

●NSdbru.br.ns.els-gms.att.net2015-08-16 → 2026-04-13 · 2 obs

● 2015-08-16 08:52:34
● 2026-04-13 17:14:54

●NSdmtu.mt.ns.els-gms.att.net2015-08-16 → 2026-04-13 · 2 obs

● 2015-08-16 08:52:34
● 2026-04-13 17:14:54

●MXmail.cardinalcore.net2015-08-16 → 2026-04-13 · 2 obs

● 2015-08-16 08:52:34
● 2026-04-13 17:14:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	g.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
cardinalcore.net	dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net	2 records

✅ Authoritative Response

Server:68.94.156.134

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 cardinalcore.net (unsigned zone)

⏱️ Timing

Total: 206ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net`
MX	1	`mail.cardinalcore.net (pri: 10)`
SOA	1	`dbru.br.ns.els-gms.att.net rm-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net)

Analysis

Hierarchy

cardinalcore.net is parent of mail.cardinalcore.net.

Name Servers

cardinalcore.net's delegation is to two name servers dbru.br.ns.els-gms.att.net and dmtu.mt.ns.els-gms.att.net.

cardinalcore.net shares the same name server configuration as other domains, such as newyorklifeannuities.com, goldenhollywood.net, bostonscientific-portaldev.com, ingramperiodicals.com and tkc-aero.com.

cardinalcore.net at least partially shares its name servers with other domains, for instance bioexpress.us, costcobenefits.com, caremarkgroup.org, 17.206.in-addr.arpa and carnivalfascination.net.

These name servers are commonly used with 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, dns3.carnival.com, ns3.level3.net, ns4.level3.net, ns10.vwr.com, ns1.vwr.com and ns15.vwr.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; dmtu.mt.ns.els-gms.att.net points to 2001:1890:1ff:9f1:99:99:99:134 and 99.99.99.134

Mail Servers

cardinalcore.net is served by a single mail server, mail.cardinalcore.net.

mail.cardinalcore.net points to IP number 96.38.0.105.

cardinalcore.net - robtex.com