`best-buycom.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=1778664491

Same first word

best-buycom.org

best-buycom.biz

best-buycom.net

best-buycom.com

best-buycom.info

best-buycom.us

DNS History

2 records (2 active, 0 former)

●NSdbru.br.ns.els-gms.att.net2026-03-11 → 2026-05-13 · 2 obs

● 2026-03-11 12:44:36
● 2026-05-13 09:53:42

●NSdmtu.mt.ns.els-gms.att.net2026-03-11 → 2026-05-13 · 2 obs

● 2026-03-11 12:44:36
● 2026-05-13 09:53:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
best-buycom.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 best-buycom.com (unsigned zone)

⏱️ Timing

Total: 5003ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

Two name servers dbru.br.ns.els-gms.att.net and dmtu.mt.ns.els-gms.att.net handle the delegation for best-buycom.com.

best-buycom.com shares the same name server setup as other domains, for instance bostonscientific-ee.com, idahs.com, portlc.com, continentallumber.com and cslbehring.com.mx.

best-buycom.com at least partially shares name servers with other domains, for instance carnivalspecials.co.nz, deloitte-touche.net, aboardcarnival.com, goldmansachscards.com and craftsman.net.

these name servers are commonly used with cmtu.mt.ns.els-gms.att.net, cbru.br.ns.els-gms.att.net, dns3.carnival.com, b23.ns.els-gms.att.net, m23.ns.els-gms.att.net, ns10.vwr.com, ns1.vwr.com, ns2.vwr.com, ns5.vwr.com and auth20.ns.wcom.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.

best-buycom.com - robtex.com

best-buycom.com

com