`rafcercamadrid.com`

DNSSEC	⚠️ Not signed
NS	`ns0.es.colt.net` ⭐
		A	212.74.78.39^{🇩🇪 COLT212.74.78.0/24 Internal 5}
			PTR	`ns0.es.colt.net`
NS	`ns1.es.colt.net`
		A	212.74.77.39^{🇬🇧 COLT212.74.77.0/24 Internal 4}
			PTR	`ns1.es.colt.net`
MX	`mx1.conzentra.com` ⭐
MX	`mx2.conzentra.com`⁽²⁰⁾
SOA	`ns0.es.colt.net`dns-requests@colt.net 2009-07-30 #1

`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=1777244826

WOT: UNKNOWN (68/100)

Subdomains

www.rafcercamadrid.com

Same first word

rafcercamadrid.com

DNS History

5 records (4 active, 1 former)

●NSns0.es.colt.net2008-03-19 → 2026-04-26 · 2 obs

● 2008-03-19 10:31:14
● 2026-04-26 23:07:38

●NSns1.es.colt.net2008-03-19 → 2026-04-26 · 2 obs

● 2008-03-19 10:31:14
● 2026-04-26 23:07:38

○MXmail.coltweb.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 10:31:14
○ 2015-08-23 01:39:54
○ 2026-04-26 23:07:38

●MXmx1.conzentra.com2015-08-23 → 2026-04-26 · 3 obs

○ 2008-03-19 10:31:14
● 2015-08-23 01:39:54
● 2026-04-26 23:07:38

●MXmx2.conzentra.com2015-08-23 → 2026-04-26 · 3 obs

○ 2008-03-19 10:31:14
● 2015-08-23 01:39:54
● 2026-04-26 23:07:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...	-
rafcercamadrid.com	ns1.es.colt.net, ns0.es.colt.net	-

✅ Authoritative Response

Server:212.74.78.39

NS records: ns1.es.colt.net, ns0.es.colt.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rafcercamadrid.com (unsigned zone)

⏱️ Timing

Total: 1104ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.es.colt.net, ns0.es.colt.net`
MX	2	`mx2.conzentra.com (pri: 20), mx1.conzentra.com (pri: 10)`
SOA	1	`ns0.es.colt.net dns-requests.colt.net`

Analysis

Hierarchy

rafcercamadrid.com is the parent of www.rafcercamadrid.com.

Name Servers

rafcercamadrid.com is delegated to two name servers ns0.es.colt.net and ns1.es.colt.net.

rafcercamadrid.com shares the same name server setup as other domains, for instance exea.es, andasol.es, addalia.com, 153.16.193.in-addr.arpa and finanzasparatodos.eu.

rafcercamadrid.com at least partially shares name servers with other domains, for instance cnmc.es, loteriasyapuestas.net, golfycountryclubcolinas.com, cnmc.gob.es and tsd.es.

These name servers are commonly used with artemis.ttd.net, ns1.grupogmp.com and psintstl1.stl.es.

Host names with one IP number:

ns0.es.colt.net points to 212.74.78.39

ns1.es.colt.net points to 212.74.77.39

Mail Servers

Two mail servers handle rafcercamadrid.com: mx1.conzentra.com and mx2.conzentra.com.

rafcercamadrid.com shares the same mail server setup as other domains, for instance ffb.es, coltweb.com, mitsubishi-iberica.net, mhie.es and didaco.es.

rafcercamadrid.com shares at least some mail servers with other domains, including paumorales.com, lakme.pt, 0y1.com and monacor.es.

these mail servers are often used alongside mx3.conzentra.com, mx4.conzentra.com and mail.infonomiaplus.com.

rafcercamadrid.com - robtex.com