`mail.c2-concept.com`

CNAME	`mail.stackmail.com`
DNSSEC	⚠️ Not signed
A	185.151.28.68^{🇬🇧 TWENTYI185.151.28.0/24}
		PTR	`smtp.stackmail.com`
A	185.151.28.84^{🇬🇧 TWENTYI185.151.28.0/24}
A	185.151.28.85^{🇬🇧 TWENTYI185.151.28.0/24}

`c2-concept.com`

	DNSSEC	⚠️ Not signed
	A	2a07:7800::144^{🇬🇧 TWENTYI2a07:7800::/48}
	A	185.151.30.144^{🇬🇧 TWENTYI185.151.30.0/24}
	NS	`ns1.stackdns.com` ⭐
	NS	`ns2.stackdns.com`
	NS	`ns3.stackdns.com`
	NS	`ns4.stackdns.com`
	MX	`mx.stackmail.com` ⭐
	TXT	`v=spf1 include:spf.stackmail.com a mx -all`
	SOA	`ns1.stackdns.com`hostmaster@stackdns.com serial=1722978044

Previously MX for

c2-concept.com

Same first word

mail.monster

mail.awsapps.com

mail.biz

mail.gov.lv

mail.jetzt

mail.kh.ua

mail.ru

mail.myeffect.net

mail.myshopify.com

mail.123hjemmeside.dk

mail.ml

mail.fo

mail.expert

mail.mil.tm

mail.team

mail.com.ru

mail.tn

mail.serveftp.com

mail.by

mail.peewee.jp

mail.virtualuser.de

mail.charity

mail.exchange

mail.live

mail.lk3.ru

mail.capital

mail.ap.gov.br

mail.dp.ua

mail.myjino.ru

mail.space

mail.net.ph

mail.rr.gov.br

mail.read-books.org

mail.ilovecollege.info

mail.gmx

mail.info.pl

mail.community

mail.cleaning

mail.bh

mail.site

mail.select

mail.email

mail.blue

mail.st

mail.tools

mail.sy

mail.li

mail.rw

mail.vision

mail.sk

mail.at

mail.surf

mail.gov.ge

mail.dating

mail.travel

mail.td

mail.nr

mail.nrw

mail.xyz

mail.loginto.me

mail.bio

mail.dk

mail.main.jp

mail.graphics

mail.lc

mail.city

mail.yt

mail.watch

mail.lomo.jp

mail.lu

mail.tel

mail.ws

mail.holiday

mail.zombie.jp

mail.ma

mail.mr

mail.gov.af

mail.hashbang.sh

mail.mil.ru

mail.schwarz

mail.co.uk

mail.net.mk

mail.rj.gov.br

mail.freedesktop.org

mail.direct

mail.yandex

mail.sh.cn

mail.vacations

mail.my

mail.gov.mz

mail.gov.ph

mail.veterinaire.fr

mail.ee

mail.yokohama

mail.mu

mail.nflfan.org

mail.bayern

mail.dnsalias.com

mail.com.tr

mail.ai

Similar names

mail.is

lmai.ru

almi.nu

mail.gov.zw

lima.plus

mail.id

liam.eu

ilma.is

mila.com.ua

ialm.info

mail.tr

mail.tt

imal.eu

mail.media

liam.solutions

mail.vinnica.ua

mail.readymade.jp

mail.raindrop.jp

mail.tj

liam.blue

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mail.mydissent.net

mail.spdns.org

mail.lk

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mali.vn

mlai.online

almi.at

mail.fish

imla.it

mila.photography

ilma.jp

mila.be

mail.iq

lami.com.sg

aiml.io

mila.eu

mail.no-ip.net

mail.mn

ilam.ac.ir

mail.mydns.bz

amil.br.com

ilma.info

mail.fem.jp

ilma.ch

mail.health

mail.s3.amazonaws.com

mali.pe

lmia.cl

alim.kz

laim.com.ua

mail.com.kg

mail.nra

mail.couchpotatofries.org

aiml.nl

mail.radio.fm

mail.od.ua

aiml.biz

aiml.de

lima.asso.fr

mail.ms

mail.boleslawiec.pl

lima.su

lima.pl

mila.world

mail.mydns.vc

mail.io.in

lima.im

mail.lutsk.ua

mail.kz

mail.im

alim.hu

mila.se

mail.kaas.gg

mail.it.com

mail.gov.mg

mail.ss

liam.co.il

mail.co

mail.tc

laim.cz

mail.gda.pl

amil.us

almi.hr

mail.world

mail.pe

mail.sunnyday.jp

mail.group

mali.us

mail.gov

laim.nl

lami.ru

mila.edu.pl

mail.org.za

mail.mx

lmai.lt

mail.cy

mail.supply

mail.gov.ae

mail.com.ba

DNS History

2 records (1 active, 1 former)

○A87.117.219.32015-08-09 → 2016-07-11 · 3 obs

● 2015-08-09 06:11:24
● 2016-07-11 09:08:10
○ 2026-08-10 13:25:58

●CNAMEmail.stackmail.com2026-08-10 → 2026-08-10 · 1 obs

● 2026-08-10 13:25:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...	-
c2-concept.com	ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com	4 records

✅ Authoritative Response

Server:146.148.28.88

NS records: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c2-concept.com (unsigned zone)

⏱️ Timing

Total: 288ms | Queries: -

📄 Records

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

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com...)

Analysis

IP Addresses

mail.c2-concept.com points to three IP numbers, namely 185.151.28.68, 185.151.28.84 and 185.151.28.85.

Additional host names — imap.stackmail.com, 185-151-28-84.ptr4.stackcp.net, mail.stackmail.com and two others — share IP numbers with mail.c2-concept.com.

mail.c2-concept.com - robtex.com