`mail.courseling.com`

	DNSSEC	⚠️ Not signed
	A	127.0.0.1

`courseling.com`

	DNSSEC	⚠️ Not signed
	A	127.0.0.1
	NS	`ns1.openprovider.nl` ⭐
	NS	`ns2.openprovider.be`
	NS	`ns3.openprovider.eu`
	MX	`mail.courseling.com` ⭐
	SOA	`ns1.openprovider.nl`dns@openprovider.eu 2015-12-15 #1

MX for

courseling.com

Same first word

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

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mail.vacations

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mail.gov.ph

mail.veterinaire.fr

mail.ee

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mail.nflfan.org

mail.bayern

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mail.dnsalias.com

mail.com.tr

mail.ai

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mail.org.ru

mail.re

mail.pl

mail.co.com

mail.perspecta.cloud

mail.ac.id

mail.nu

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mail.ddns.net

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mail.qualifioapp.com

mail.photography

mail.net.au

mail.storage

mail.energy

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mail.online

mail.ras.ru

mail.ls

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mail.co.kr

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mail.ox.rs

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mail.pt

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mail.club

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mail.limited

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mail.zip

mail.dvrcam.info

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mail.brasilia.me

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mail.pn

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mail.gov.il

mail.ie

mail.co.cr

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

mail.company

mail.gov.mn

mail.priv.pl

mail.mw

mail.gov.na

mail.co.nz

mail.sdscloud.pl

mail.az

mail.is

mail.gov.zw

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mail.gru.br

DNS History

1 record (1 active, 0 former)

●A127.0.0.12017-06-25 → 2026-03-27 · 2 obs

● 2017-06-25 16:16:38
● 2026-03-27 18:27:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
courseling.com	ns1.openprovider.nl, ns3.openprovider.eu, ns2.openprovider.be	-

✅ Authoritative Response

Server:162.159.48.89

NS records: ns1.openprovider.nl, ns3.openprovider.eu, ns2.openprovider.be

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courseling.com (unsigned zone)

⏱️ Timing

Total: 229ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`127.0.0.1`

Analysis

Mail Server Role

mail.courseling.com handles mail for courseling.com.

IP Addresses

mail.courseling.com points to a single IP address: 127.0.0.1.

Other host names such as mail.schlagerstube.de, 40.192.178.dynamic.wline.res.cust.swisscom.ch, threeletterwords.org, lad.nafri.org.la and chickenroad.cz share IPs with mail.courseling.com.

mail.courseling.com - robtex.com