`mail.prepcheck.com`

	CNAME	`pop.secureserver.net`
	DNSSEC	⚠️ Not signed

`prepcheck.com`

	DNSSEC	⚠️ Not signed
	A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
	A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
	NS	`ns53.domaincontrol.com` ⭐
	NS	`ns54.domaincontrol.com`
	MX	`prepcheck-com.mail.protection.outlook.com` ⭐
	TXT	`NETORGFT10433872.onmicrosoft.com`
	TXT	`v=spf1 include:secureserver.net -all`
	SOA	`ns53.domaincontrol.com`dns@jomax.net 2026-03-23 #0

Previously MX for

prepcheck.com

Same first word

mail.news

mail.daa.jp

mail.sd

mail.co.id

mail.top

mail.health-carereform.com

mail.iki.fi

mail.gouv.ml

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.tl

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

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.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

mail.nra

mail.couchpotatofries.org

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.supply

mail.gov.ae

mail.com.ba

mail.co.zw

mail.org

mail.pixolino.com

mail.ug

mail.ly

mail.gs

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DNS History

9 records (1 active, 8 former)

○A173.201.192.1992015-06-17 → 2015-06-17 · 2 obs

● 2015-06-17 22:17:22
○ 2026-06-23 01:05:46

○A173.201.193.1992015-06-17 → 2015-06-17 · 2 obs

● 2015-06-17 22:17:22
○ 2026-06-23 01:05:46

○A68.178.252.1152015-06-17 → 2015-06-17 · 2 obs

● 2015-06-17 22:17:22
○ 2026-06-23 01:05:46

○A68.178.252.2222015-06-17 → 2015-06-17 · 2 obs

● 2015-06-17 22:17:22
○ 2026-06-23 01:05:46

○A72.167.218.1922015-06-17 → 2015-06-17 · 2 obs

● 2015-06-17 22:17:22
○ 2026-06-23 01:05:46

○A97.74.135.1112015-11-08 → 2015-11-08 · 4 obs

○ 2015-06-17 22:17:22
● 2015-11-08 03:11:24
○ 2016-02-04 14:33:00
○ 2026-06-23 01:05:46

○A97.74.135.2182015-06-17 → 2016-05-03 · 3 obs

● 2015-06-17 22:17:22
● 2016-05-03 10:09:24
○ 2026-06-23 01:05:46

●CNAMEpop.secureserver.net2015-06-17 → 2026-06-23 · 2 obs

● 2015-06-17 22:17:22
● 2026-06-23 01:05:46

○CNAMEpop.where.secureserver.net2015-11-08 → 2016-05-03 · 4 obs

○ 2015-06-17 22:17:22
● 2015-11-08 03:11:24
● 2016-05-03 10:09:24
○ 2026-06-23 01:05:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
prepcheck.com	ns53.domaincontrol.com, ns54.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.74.27

NS records: ns53.domaincontrol.com, ns54.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prepcheck.com (unsigned zone)

⏱️ Timing

Total: 684ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`pop.secureserver.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns53.domaincontrol.com, ns53.domaincontrol.com, ns54.domaincontrol.com...)

mail.prepcheck.com - dns.ninja