`mail.firefoxsecurity.com`

DNSSEC	⚠️ Not signed
A	50.17.101.1^{🇺🇸 Amazon50.17.0.0/16 IAD prefix}
		PTR	`mail.icomco.com`

`firefoxsecurity.com`

	DNSSEC	⚠️ Not signed
	A	50.17.101.1^{🇺🇸 Amazon50.17.0.0/16 IAD prefix}
	NS	`dns1.icomco.com` ⭐
	NS	`dns2.icomco.com`
	NS	`ns1.icomco.com` ⚠️ Not in parent delegation
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`google-site-verification=z7vmE_TPqDEmeFFnyMa7LaE9qy6h0XfEGlJ6XYfc7Q4`
	SOA	`dns1.icomco.com`abuse@icomco@com 2018-11-10 #18

Previously MX for

firefoxsecurity.com

Same first word

mail.tr

mail.tt

mail.media

mail.vinnica.ua

mail.readymade.jp

mail.raindrop.jp

mail.tj

mail.mydissent.net

mail.spdns.org

mail.fish

mail.pp.ua

mail.fun

mail.no-ip.net

mail.mn

mail.mydns.bz

mail.fem.jp

mail.health

mail.s3.amazonaws.com

mail.gov.ye

mail.com.kg

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mail.radio.fm

mail.od.ua

mail.ms

mail.boleslawiec.pl

mail.mydns.vc

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.gov.ae

mail.com.ba

mail.co.zw

mail.org

mail.pixolino.com

mail.ug

mail.ly

mail.gs

mail.bg

mail.wtf

mail.webhop.me

mail.al

mail.myfast.space

mail.vip

mail.red

mail.co.il

mail.pf

mail.com.mx

mail.uy

mail.gt

mail.training

mail.cd

mail.in.ua

mail.cx

mail.gm

mail.su

mail.toshiba

mail.hosting

mail.net.tr

mail.fm

mail.mil

mail.f5.si

mail.party

mail.tax

mail.coop

mail.directory

mail.freemyip.com

mail.com.tw

mail.hk.com

mail.mh

mail.gov.mw

mail.gov.bn

mail.mmafan.biz

mail.ky

mail.synology-diskstation.de

mail.schoolbus.jp

mail.uz.ua

mail.cool

mail.uk

mail.ru.com

mail.littlestar.jp

mail.com.se

mail.gov.ao

mail.me

mail.ac.gov.br

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mail.lima-city.de

mail.mysecuritycamera.com

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mail.deals

lami.at

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mail.cm

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mail.poivron.org

lami.com.co

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almi.de

mail.uk.com

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iaml.dj

mila.co.uk

lima.co.za

mali.cc

mail.glass

mail.mil.kg

imal.net

mail.dog

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mail.ddns.me

mail.gov.bh

mail.tours

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mail.na

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mial.net

mail.srl

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mila.krakow.pl

mail.chicappa.jp

lami.be

ilam.ca

mail.123hjemmeside.no

mail.fantasyleague.cc

amil.org

DNS History

2 records (1 active, 1 former)

●A50.17.101.12026-03-30 → 2026-03-30 · 3 obs

○ 2016-04-29 00:02:20
● 2026-03-30 15:52:28
● 2026-03-30 15:52:30

○A74.86.8.1242015-06-19 → 2016-04-29 · 4 obs

● 2015-06-19 07:13:34
● 2016-04-29 00:02:20
○ 2026-03-30 15:52:28
○ 2026-03-30 15:52:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net...	-
firefoxsecurity.com	dns1.icomco.com, dns2.icomco.com	2 records

✅ Authoritative Response

Server:54.87.119.66

NS records: dns1.icomco.com, dns2.icomco.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firefoxsecurity.com (unsigned zone)

⏱️ Timing

Total: 189ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.17.101.1`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.icomco.com, dns2.icomco.com)

Analysis

IP Addresses

mail.firefoxsecurity.com resolves to a single IP address: 50.17.101.1.

Other host names including webmail.coolmls.com, tampoaparking.com, autodiscover.arthritisusa.net, imap.rbginc.com and pay.floridaiguana.com share IP numbers with mail.firefoxsecurity.com.

mail.firefoxsecurity.com - robtex.com