mx2.penn-eng.ca - robtex.com

mx2.penn-eng.ca

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:518d🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:bda1🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.141Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.189.161🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.81.141, 172.67.189.161
IPv6 hints2606:4700:3030::6815:518d, 2606:4700:3035::ac43:bda1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com

penn-eng.ca

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:518d🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:bda1🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.141Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.189.161🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbecky.ns.cloudflare.com ⭐
NSjeff.ns.cloudflare.com
TXT0ed1fe018a242b9c28eeaa4b98b8b921911c015c0c
TXT0ed1fe018a3b7e349634104ed2b0350face88e60a5
TXT0ed1fe018aa063a44b1d4e444ca580ed83a864815f
TXTMS=1ED5037FA0BC65E55CCC7ED9E52445DF338E16D6
TXTMS=ms21226678
TXTMS=ms99483435
TXTknowbe4-site-verification=1d68f4440c84b1ec5ee2255ec5c61ec8
TXTv=spf1 include:spf.protection.outlook.com include:_netblocks.mimecast.com ip4...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.81.141, 172.67.189.161
IPv6 hints2606:4700:3030::6815:518d, 2606:4700:3035::ac43:bda1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com
SOAbecky.ns.cloudflare.comdns@cloudflare.com serial=2406983823

Previously MX for

penn-eng.ca

Same first word

mx2.fr
mx2.se
mx2.uni5.net
mx2.dk
mx2.pb.gov.br
mx2.ru
mx2.cci.fr
mx2.me
mx2.uk
mx2.cc
mx2.dev
mx2.us
mx2.mx
mx2.sp.gov.br
mx2.vip
mx2.it
mx2.dnsup.net
mx2.in
mx2.info
mx2.live
mx2.gouv.km
mx2.nz
mx2.pl
mx2.cloudaccess.net
mx2.mil.lv
mx2.my
mx2.vg
mx2.com
mx2.io
mx2.life
mx2.mobi
mx2.email
mx2.bplaced.net
mx2.org
mx2.kinghost.net
mx2.eu
mx2.agency
mx2.gov.lk
mx2.kapsi.fi
mx2.red
mx2.gov.ru
mx2.net
mx2.in-berlin.de
mx2.hu
mx2.law
mx2.tuxfamily.org
mx2.at
mx2.cn
mx2.de
mx2.ca
mx2.nl
mx2.llc
mx2.solutions
mx2.jp
mx2.memset.net
mx2.co

Similar names

m2x.app
2mx.info
2xm.pt
m2x.net
xm2.com
2mx.nl
x2m.info
m2x.de
x2m.cn
2mx.ro
2mx.com.br
2xm.com
m2x.it
x2m.ru
2xm.cn
m2x.nl
m2x.alwaysdata.net
2mx.de
2mx.xyz
xm2.ru
2mx.com
xm2.it
x2m.org
m2x.ca
2mx.dev
2xm.dk
m2x.com
2xm.eu
2xm.de
2mx.eu
xm2.life
2xm.com.br
xm2.net
2xm.com.pl
m2x.fr
2mx.it
2mx.cn
2xm.pl
x2m.com
2mx.uk
xm2.casino
m2x.org
m2x.cz
m2x.com.tw
xm2.cn
m2x.io
xm2.org
m2x.eu
2mx.cc
m2x.cn
x2m.co.za
2mx.net
2mx.ru
2mx.fr
x2m.de
2mx.org
x2m.casino

DNS History

4 records (4 active, 0 former)

A104.21.81.141172.67.189.1612606:4700:3030::6815:518d2606:4700:3035::ac43:bda1
●A104.21.81.1412026-07-25 → 2026-07-30 · 2 obs
● 2026-07-25 13:53:00
● 2026-07-30 19:44:32
●A172.67.189.1612026-07-25 → 2026-07-30 · 2 obs
● 2026-07-25 13:53:00
● 2026-07-30 19:44:32
●A2606:4700:3030::6815:518d2026-07-25 → 2026-07-30 · 2 obs
● 2026-07-25 13:53:00
● 2026-07-30 19:44:32
●A2606:4700:3035::ac43:bda12026-07-25 → 2026-07-30 · 2 obs
● 2026-07-25 13:53:00
● 2026-07-30 19:44:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cac.ca-servers.ca, any.ca-servers.ca, j.ca-servers.ca, d.ca-servers.ca-
penn-eng.cajeff.ns.cloudflare.com, becky.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.124

NS records: jeff.ns.cloudflare.com, becky.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for penn-eng.ca (unsigned zone)

⏱️ Timing

Total: 192ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.189.161, 104.21.81.141
AAAA22606:4700:3035::ac43:bda1, 2606:4700:3030::6815:518d
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mx2.penn-eng.ca directs to four IP numbers, which are 104.21.81.141, 172.67.189.161, 2606:4700:3030::6815:518d and 2606:4700:3035::ac43:bda1.

dayanglw.com, ittop.uz, bourgondischebroeders.nl and two other host names share IP numbers with mx2.penn-eng.ca.