`mail.shiftcal.com`

CNAME	`mail.us.stackmail.com`
CNAME	`mail.stackmail.com`
DNSSEC	⚠️ Not signed
A	185.151.28.68^{🇬🇧 TWENTYI185.151.28.0/24}
		PTR	`smtp.stackmail.com`
A	185.151.28.84^{🇬🇧 TWENTYI185.151.28.0/24}
A	185.151.28.85^{🇬🇧 TWENTYI185.151.28.0/24}

`shiftcal.com`

	DNSSEC	⚠️ Not signed
	A	2a07:7800::215^{🇬🇧 TWENTYI2a07:7800::/48}
	A	185.146.167.199^{🇬🇧 TWENTYI185.146.167.0/24}
	NS	`ns1.stackdns.com` ⭐
	NS	`ns2.stackdns.com`
	NS	`ns3.stackdns.com`
	NS	`ns4.stackdns.com`
	MX	`mx.stackmail.com` ⭐
	TXT	`v=spf1 include:spf.stackmail.com a mx -all`
	SOA	`ns1.stackdns.com`hostmaster@stackdns.com serial=1751992537

Previously MX for

shiftcal.com

Same first word

mail.tm

mail.boo.jp

mail.co.za

mail.zp.ua

mail.ac.me

mail.info.at

mail.nis.za

mail.gov.ua

mail.net.ua

mail.com.au

mail.cat

mail.vin

mail.stripper.jp

mail.ciao.jp

mail.gov.vc

mail.realm.cz

mail.vu

mail.trading

mail.center

mail.fi

mail.kg

mail.mayfirst.org

mail.systems

mail.itigo.jp

mail.cl

mail.vc

mail.babymilk.jp

mail.gov.by

mail.chat

mail.fastvps.host

mail.style

mail.altervista.org

mail.ngo.za

mail.awsapps.com

mail.biz

mail.gov.lv

mail.jetzt

mail.kh.ua

mail.ru

mail.myeffect.net

mail.myshopify.com

mail.123hjemmeside.dk

mail.gov.ps

mail.ml

mail.fo

mail.expert

mail.mil.tm

mail.team

mail.com.ru

mail.tn

mail.serveftp.com

mail.by

mail.peewee.jp

mail.virtualuser.de

mail.charity

mail.exchange

mail.live

mail.lk3.ru

mail.com.mk

mail.ap.gov.br

mail.dp.ua

mail.myjino.ru

mail.space

mail.net.ph

mail.rr.gov.br

mail.read-books.org

mail.ilovecollege.info

mail.gmx

mail.info.pl

mail.community

mail.cleaning

mail.bh

mail.site

mail.select

mail.email

mail.blue

mail.tools

mail.sy

mail.li

mail.rw

mail.vision

mail.sk

mail.at

mail.surf

mail.gov.ge

mail.dating

mail.travel

mail.td

mail.nr

mail.nrw

mail.xyz

mail.loginto.me

mail.bio

mail.dk

mail.main.jp

mail.graphics

mail.lc

mail.city

mail.yt

mail.qa

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

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mail.tl

iaml.de

amil.co.il

mila.co.ua

mail.rec.br

mail.com.ps

liam.fm

ilam.ru

mail.(0x6c6f6c697461)punk.jp

mila.fr

mail.sc

ialm.com.br

mail.gov.ie

ilam.co.uk

lima.lu

imal.com.tr

mail.company

lima.oh.us

mail.gov.mn

mail.priv.pl

lmia.org

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mail.gov.na

alim.com.my

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mail.az

mila.media

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ialm.info

mail.tr

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mail.tj

liam.blue

mail.mydissent.net

mail.spdns.org

mail.lk

imla.kr

mali.vn

almi.at

mail.fish

imla.it

mila.photography

mila.com.vn

mail.pp.ua

mail.fun

ilma.jp

mila.be

lami.com.sg

aiml.io

mail.no-ip.net

mail.mn

ilam.ac.ir

mail.mydns.bz

amil.br.com

ilma.info

mail.fem.jp

mail.health

mail.s3.amazonaws.com

mali.pe

mail.gov.ye

lmia.cl

alim.kz

laim.com.ua

mail.com.kg

mail.nra

mail.couchpotatofries.org

amil.life

aiml.nl

mail.radio.fm

mail.od.ua

aiml.biz

aiml.de

lima.asso.fr

mail.ms

mail.boleslawiec.pl

lima.su

lima.pl

mila.world

mail.mydns.vc

lima.im

mail.lutsk.ua

DNS History

7 records (1 active, 6 former)

○NSns14.midphase.com2015-10-31 → 2016-06-24 · 3 obs

● 2015-10-31 00:43:10
● 2016-06-24 10:43:54
○ 2026-04-13 08:52:20

○NSns15.midphase.com2015-10-31 → 2016-06-24 · 3 obs

● 2015-10-31 00:43:10
● 2016-06-24 10:43:54
○ 2026-04-13 08:52:20

○NSns16.midphase.com2015-10-31 → 2016-06-24 · 3 obs

● 2015-10-31 00:43:10
● 2016-06-24 10:43:54
○ 2026-04-13 08:52:20

○MXmail.shiftcal.com2015-10-31 → 2016-06-24 · 3 obs

● 2015-10-31 00:43:10
● 2016-06-24 10:43:54
○ 2026-04-13 08:52:20

○A174.127.108.692015-06-16 → 2016-06-24 · 3 obs

● 2015-06-16 12:30:00
● 2016-06-24 10:43:54
○ 2026-04-13 08:52:20

●CNAMEmail.us.stackmail.com2026-04-13 → 2026-04-13 · 2 obs

○ 2016-06-24 10:43:54
● 2026-04-13 08:52:20

○CNAMEshiftcal.com2015-06-16 → 2016-06-24 · 3 obs

● 2015-06-16 12:30:00
● 2016-06-24 10:43:54
○ 2026-04-13 08:52:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
shiftcal.com	ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com	4 records

✅ Authoritative Response

Server:35.198.79.191

NS records: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for shiftcal.com (unsigned zone)

⏱️ Timing

Total: 227ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.us.stackmail.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com...)

Analysis

IP Addresses

mail.shiftcal.com points to three IPs: 185.151.28.68, 185.151.28.84 and 185.151.28.85.

other host names including smtp.stackmail.com, imap.stackmail.com, 185-151-28-84.ptr4.stackcp.net, mail.stackmail.com and 185-151-28-85.ptr4.stackcp.net share IP numbers with mail.shiftcal.com.

mail.shiftcal.com - robtex.com