`mail.coltweb.com`

CNAME	`mail.conzentra.com`
CNAME	`smtp02.conzentra.com`
DNSSEC	⚠️ Not signed
A	188.94.11.170^{🇪🇸 INTERCOMGI-BCN188.94.8.0/21 FHIOS BCN allocated PA block}
		PTR	`relay.conzentra.com`

`coltweb.com`

	DNSSEC	⚠️ Not signed
	NS	`ns0.csi-mad.es.colt.net` ⭐
	NS	`ns1.csi-mad.es.colt.net`
	MX	`mx1.conzentra.com` ⭐
	MX	`mx2.conzentra.com`⁽²⁰⁾
	SOA	`ns0.csi-mad.es.colt.net`eudnsmaster@colt.net 2011-07-01 #0

PTR for

77.186.229.213.in-addr.arpa

MX for

sepblac.es

coltmail.com

Previously MX for

coltweb.com

transferex.com

rafcercamadrid.com

Same first word

mail.firewall-gateway.com

mail.pro

mail.pupu.jp

mail.vivian.jp

mail.df.gov.br

mail.ci

mail.chirurgiens-dentistes.fr

mail.frenchkiss.jp

mail.blogspot.be

mail.go.kr

mail.my-gateway.de

mail.wedding

mail.za.bz

mail.to

mail.tf

mail.ba

mail.lviv.ua

mail.ki

mail.lima-city.de

mail.mysecuritycamera.com

mail.microsoft

mail.mil.tw

mail.org.in

mail.deals

mail.edu.pl

mail.cfolks.pl

mail.cm

mail.go.th

mail.mil.cn

mail.poivron.org

mail.dnshome.de

mail.jp

mail.mp

mail.ac

mail.fund

mail.edu.bi

mail.uk.com

mail.mysecuritycamera.net

mail.glass

mail.mil.kg

mail.dog

mail.ddns.me

mail.gov.bh

mail.tours

mail.no-ip.info

mail.gob.cl

mail.na

mail.srl

mail.org.nz

mail.chicappa.jp

mail.123hjemmeside.no

mail.fantasyleague.cc

mail.ufcfan.org

mail.ge

mail.egoism.jp

mail.jpn.org

mail.run

mail.co.education

mail.edu.rs

mail.lt

mail.vn

mail.sl

mail.gov.mu

mail.gov.in

mail.uz

mail.clinic

mail.bm

mail.com.pk

mail.hl.cn

mail.nhs.uk

mail.hotmail

mail.gov.om

mail.canon

mail.net.hk

mail.as

mail.ir

mail.net.ru

mail.cz

mail.gov.ms

mail.so

mail.ind.in

mail.com.in

mail.noip.us

mail.hippy.jp

mail.eating-organic.net

mail.ba.gov.br

mail.com

mail.inf.br

mail.4u.com

mail.edu.tw

mail.gov.rs

mail.dnsalias.net

mail.pro.br

mail.ne.jp

mail.co.jp

mail.be

mail.com.vn

mail.how

mail.in-brb.de

mail.ro

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mail.monster

lima.cl

mail.ngo.za

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mail.awsapps.com

mail.biz

mail.gov.lv

aiml.foundation

mail.jetzt

imla.or.id

mail.kh.ua

mail.ru

mail.myeffect.net

lmia.lt

mail.myshopify.com

mail.123hjemmeside.dk

liam.at

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mail.ml

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mali.it

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lima.la

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imal.info

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mail.by

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mial.eu

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mail.virtualuser.de

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mail.exchange

aiml.online

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imal.co.uk

lima.ir

lima.nl

mlia.net

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amil.sucks

mila.pro

mail.com.mk

mail.ap.gov.br

iaml.at

alim.fr

mila.edu.my

mail.dp.ua

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mlai.in

lima.cloud

iaml.ru

mail.space

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mail.rr.gov.br

almi.or.id

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mail.read-books.org

lima.com.my

liam.ru

amil.business

mail.ilovecollege.info

lima.vn

mila.ie

mail.gmx

mail.info.pl

amli.cn

mail.community

mail.cleaning

liam.cn

alim.cl

mail.bh

lami.es

amil.no

mail.site

mail.select

mail.email

mail.blue

mail.tools

liam.works

ailm.net

mail.sy

mail.li

mail.rw

mail.vision

mlia.com

ilma.ru

mail.sk

mail.at

mail.surf

liam.red

lami.com.cn

DNS History

3 records (1 active, 2 former)

○A188.94.11.1622015-08-30 → 2016-12-26 · 4 obs

● 2015-08-30 22:56:52
● 2016-12-26 09:54:30
○ 2017-07-27 23:20:46
○ 2026-04-27 07:03:18

●CNAMEmail.conzentra.com2015-08-30 → 2026-04-27 · 2 obs

● 2015-08-30 22:56:52
● 2026-04-27 07:03:18

○CNAMEsmtp02.conzentra.com2015-09-06 → 2016-12-26 · 5 obs

○ 2015-08-30 22:56:52
● 2015-09-06 10:17:22
● 2016-12-26 09:54:30
○ 2017-07-27 23:20:46
○ 2026-04-27 07:03:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coltweb.com	ns0.csi-mad.es.colt.net, ns1.csi-mad.es.colt.net	-

✅ Authoritative Response

Server:212.74.77.56

NS records: ns0.csi-mad.es.colt.net, ns1.csi-mad.es.colt.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coltweb.com (unsigned zone)

⏱️ Timing

Total: 932ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.conzentra.com`

Analysis

Mail Server Role

mail.coltweb.com serves as the mail server for sepblac.es and coltmail.com.

mail.sepblac.es, mx1c25.carrierzone.com and mx2c25.carrierzone.com are commonly used as mail servers alongside mail.coltweb.com.

IP Addresses

mail.coltweb.com resolves to one IP number: 188.94.11.170.

other host names including smtp01.conzentra.com, imap.conzentra.com, frontend08.conzentra.com, relay.conzentra.com and frontend07.conzentra.com share IP numbers with mail.coltweb.com.

mail.coltweb.com - robtex.com

mail.coltweb.com

coltweb.com