`mail.coltenelearning.com`

DNSSEC	⚠️ Not signed
A	68.233.228.245^{🇺🇸 HIVELOCITY-168.233.224.0/19 Hivelocity Ventures Corp}
		PTR	`mail.sierraweb.com`

`coltenelearning.com`

	DNSSEC	⚠️ Not signed
	A	13.65.97.243^{🇺🇸 Microsoft13.64.0.0/11 MICROSOFT}
	NS	`ns1.sierraweb.com` ⭐
	NS	`ns2.sierraweb.com`
	NS	`ns3.sierraweb.com` ⚠️ Not in parent delegation
	MX	`mail.coltenelearning.com` ⭐
	SOA	`ns1.sierraweb.com`hostmaster@sierraweb.com 2017-04-08 #1

MX for

coltenelearning.com

Same first word

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.leczna.pl

mail.dnsalias.com

mail.com.tr

mail.ai

mail.my.id

mail.org.ru

mail.re

mail.pl

mail.co.com

mail.perspecta.cloud

mail.ac.id

mail.nu

mail.barcelona

mail.ddns.net

mail.net.kg

mail.qualifioapp.com

mail.photography

mail.net.au

mail.storage

mail.energy

mail.mods.jp

mail.online

mail.ras.ru

mail.ls

mail.app

mail.co.kr

mail.rv.ua

mail.ox.rs

mail.idv.tw

mail.pt

mail.ke

mail.net.sa

mail.idf.il

mail.house

mail.mk

mail.club

mail.news

mail.daa.jp

mail.sd

mail.co.id

mail.top

mail.health-carereform.com

mail.iki.fi

mail.limited

mail.man

mail.gen.tr

mail.zip

mail.dvrcam.info

mail.gov.gd

mail.brasilia.me

mail.hopto.me

mail.pn

mail.panel.dev

mail.gov.il

mail.ie

mail.co.cr

mail.pa

mail.schaeffler

mail.gov.to

mail.berlin

mail.dynns.com

mail.go.id

mail.rec.br

mail.com.ps

mail.(0x6c6f6c697461)punk.jp

mail.sc

mail.gov.ie

Similar names

imal.es

mail.ch

amil.com.tr

mail.partners

lima.cz

mail.mt

mail.golffan.us

mila.es

imal.cl

mail.town

mali.co.th

almi.wtf

mail.sh

mail.nom.za

lami.info

mail.com.br

imla.se

mila.la

laim.ru

mlai.idv.tw

almi.cz

mail.com.ph

mail.co.ua

almi.ch

mail.bike

mail.gr

amli.co

mail.srv.br

mail.dyn-vpn.de

mail.serveminecraft.net

almi.com.pl

mail.gov.cn

mail.staba.jp

mail.pinoko.jp

mail.in.th

mail.tech

ilam.ie

lami.su

liam.tel

mail.rakkestad.no

mila.com

mail.gov.bm

alim.net

mail.com.py

mail.guru

mail.bing

mali.com.tw

mail.lv

lima.com.tr

mila.sk

mila.biz

amil.se

amil.lu

mial.com

ailm.com

mail.babyblue.jp

mail.in-berlin.de

liam.computer

mail.no-ip.biz

mail.host

almi.co.il

amil.de

mali.no

mail.management

ilam.fr

ilma.co.jp

mail.qld.gov.au

mail.pm

mail.wf

laim.ch

mail.ltd

mail.com.pe

lima.fr

liam.fr

mila.tv

mail.marketing

mail.velvet.jp

mail.fage

amil.info

mail.coach

aiml.solutions

imal.rs

mail.abbott

mail.weir

mail.wroclaw.pl

lami.com.br

amli.de

mail.et

mail.za.net

mail.bz

ilam.it

mail.fakefur.jp

mail.sb

aiml.ca

mail.ht

ilam.org.uk

mail.ax

mail.spdns.eu

mali.com.tr

mail.collegefan.org

DNS History

2 records (1 active, 1 former)

●A68.233.228.2452016-04-12 → 2026-03-28 · 3 obs

○ 2016-01-22 16:22:00
● 2016-04-12 20:09:40
● 2026-03-28 19:34:16

○A68.233.252.32015-05-31 → 2016-01-22 · 4 obs

● 2015-05-31 21:13:58
● 2016-01-22 16:22:00
○ 2016-04-12 20:09:40
○ 2026-03-28 19:34:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coltenelearning.com	ns1.sierraweb.com, ns2.sierraweb.com	2 records

✅ Authoritative Response

Server:158.69.16.36

NS records: ns1.sierraweb.com, ns2.sierraweb.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coltenelearning.com (unsigned zone)

⏱️ Timing

Total: 133ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`68.233.228.245`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.sierraweb.com, ns2.sierraweb.com)

Analysis

Mail Server Role

mail.coltenelearning.com acts as a mail server for coltenelearning.com.

IP Addresses

mail.coltenelearning.com points to a single IP number: 68.233.228.245.

Other host names, for instance mail.tahoechocolatefestival.org, mail.sierraweb.com, mail.roosterdoodle.com, mail.myknapp.com and mail.premierdentallearning.com share IP numbers with mail.coltenelearning.com.

mail.coltenelearning.com - robtex.com