`mail.interchangeable.com`

DNSSEC	⚠️ Not signed
A	103.168.172.65^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
		PTR	`redir.messagingengine.com`
MX	`us1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`us2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`

`interchangeable.com`

	DNSSEC	⚠️ Not signed
	A	103.168.172.37^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
	A	103.168.172.52^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
	NS	`ns1.messagingengine.com` ⭐
	NS	`ns2.messagingengine.com`
	MX	`us1-smtp.messagingengine.com` ⭐
	MX	`us2-smtp.messagingengine.com`⁽²⁰⁾
	TXT	`v=spf1 include:spf.messagingengine.com ?all`
	SOA	`ns1.messagingengine.com`postmaster@messagingengine.com 2026-07-05 #0

Previously MX for

interchangeable.com

Same first word

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.pa

mail.schaeffler

mail.gov.to

mail.berlin

mail.dynns.com

mail.go.id

mail.tl

mail.rec.br

mail.com.ps

mail.(0x6c6f6c697461)punk.jp

mail.gov.ie

mail.company

mail.gov.mn

mail.priv.pl

mail.mw

mail.co.nz

mail.sdscloud.pl

mail.az

mail.is

mail.gov.zw

mail.id

mail.tr

mail.tt

mail.media

mail.vinnica.ua

mail.readymade.jp

mail.raindrop.jp

mail.tj

mail.repair

mail.mydissent.net

mail.spdns.org

mail.lk

mail.fish

mail.pp.ua

mail.iq

mail.no-ip.net

mail.mn

mail.mydns.bz

mail.fem.jp

mail.health

mail.s3.amazonaws.com

mail.gov.ye

mail.com.kg

mail.nra

mail.couchpotatofries.org

mail.radio.fm

mail.od.ua

mail.ms

mail.boleslawiec.pl

mail.mydns.vc

mail.io.in

mail.lutsk.ua

mail.kz

mail.im

mail.kaas.gg

mail.it.com

mail.gov.mg

mail.ss

mail.co

mail.tc

mail.gda.pl

mail.world

mail.pe

mail.sunnyday.jp

mail.group

mail.gov

mail.org.za

mail.mx

mail.cy

mail.supply

mail.gov.ae

mail.com.ba

mail.co.zw

mail.org

mail.pixolino.com

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imal.com

mial.ch

mail.red

mail.co.il

imal.org

mail.pf

amil.doctor

mial.in

mail.com.mx

liam.ro

mail.uy

liam.co

mail.gt

lami.cz

mail.com.ly

amil.com.br

aiml.events

mlia.gov.tw

mail.training

mail.cd

mail.in.ua

liam.ph

almi.lt

lima.mobi

mial.ru

mail.cx

mail.gm

ilma.cc

mail.su

imal.co

mail.toshiba

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mail.net.tr

mail.fm

imla.ir

mail.mil

lami.de

liam.hu

mail.f5.si

mail.party

mali.ws

mail.tax

ilma.cz

mail.coop

ilam.org

mail.directory

mail.freemyip.com

mail.com.tw

mail.hk.com

mail.mh

mail.gov.mw

amil.network

mlia.de

alim.it

ialm.org

mail.gov.bn

mail.mmafan.biz

mail.ky

liam.com.au

mail.synology-diskstation.de

mail.schoolbus.jp

lima.myds.me

lima.cn

alim.sk

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lami.com.mx

lima.capital

mail.uz.ua

mali.ro

lami.co

lima.org.za

mail.cool

iaml.net

mail.uk

mail.ru.com

mail.littlestar.jp

mail.com.se

ialm.net

mila.by

lami.glass

mail.gov.ao

amil.site

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aiml.cc

mila.gallery

mail.ac.gov.br

mail.edu.me

iaml.pl

ilam.org.nz

liam.page

mail.gov.ru

mail.pr

mila.je

mail.mlbfan.org

mila.fit

lima.it

mail.ph

lima.net

DNS History

6 records (3 active, 3 former)

○MXin1-smtp.messagingengine.com2026-05-27 → 2026-05-27 · 2 obs

● 2026-05-27 10:08:36
○ 2026-07-29 03:29:06

○MXin2-smtp.messagingengine.com2026-05-27 → 2026-05-27 · 2 obs

● 2026-05-27 10:08:36
○ 2026-07-29 03:29:06

●MXus1-smtp.messagingengine.com2026-07-29 → 2026-07-29 · 2 obs

○ 2026-05-27 10:08:36
● 2026-07-29 03:29:06

●MXus2-smtp.messagingengine.com2026-07-29 → 2026-07-29 · 2 obs

○ 2026-05-27 10:08:36
● 2026-07-29 03:29:06

●A103.168.172.652026-05-27 → 2026-07-29 · 3 obs

○ 2016-07-13 22:11:18
● 2026-05-27 10:08:36
● 2026-07-29 03:29:06

○A168.144.68.1242015-08-19 → 2016-07-13 · 4 obs

● 2015-08-19 21:03:00
● 2016-07-13 22:11:18
○ 2026-05-27 10:08:36
○ 2026-07-29 03:29:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net...	-
interchangeable.com	ns1.messagingengine.com, ns2.messagingengine.com	2 records

✅ Authoritative Response

Server:162.159.24.178

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for interchangeable.com (unsigned zone)

⏱️ Timing

Total: 249ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.168.172.65`
MX	2	`us1-smtp.messagingengine.com (pri: 10), us2-smtp.messagingengine.com (pri: 20)`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

mail.interchangeable.com points to a single IP number: 103.168.172.65.

Additional host names — mail.brong.net, mail.farrokhi.net, mail.bakermc.com and two others — share IP numbers with mail.interchangeable.com.

Mail Servers

mail.interchangeable.com has two mail servers: us1-smtp.messagingengine.com and us2-smtp.messagingengine.com.

mail.interchangeable.com shares the same mail server setup as other domains, including maas-biolabs.net, nqpu.com, ashemia.net and two others.

Host names with 8 IP numbers:

Hostname us1-smtp.messagingengine.com directs to 103.168.172.216, 103.168.172.217 and 103.168.172.218 along with 5 other IP addresses.

Host names resolving to four IP addresses:

us2-smtp.messagingengine.com points to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

mail.interchangeable.com - robtex.com