`mail2.ctsum.com.mx`

DNSSEC	⚠️ Not signed
A	50.116.27.249^{🇺🇸 AKAMAI-LINODE-AP50.116.16.0/20 Akamai Technologies}
		PTR	`mail2.mexmail.mx`

`ctsum.com.mx`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:c1c2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5a1b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.27^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.194^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chip.ns.cloudflare.com` ⭐
NS	`rachel.ns.cloudflare.com`
MX	`mail2.ctsum.com.mx` ⭐
MX	`mail.ctsum.com.mx`⁽⁵⁾
TXT	`v=spf1 mx a ip6:2600:3c00::f03c:93ff:febb:4361 include:mexmail.mx include:...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.27, 172.67.193.194
		IPv6 hints	2606:4700:3033::ac43:c1c2, 2606:4700:3037::6815:5a1b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com
SOA	`chip.ns.cloudflare.com`dns@cloudflare.com serial=2409726873

MX for

ctsum.com.mx

Same first word

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mail2.eu

mail2.iki.fi

mail2.you

mail2.no-ip.org

mail2.dev

mail2.cloudapp.net

mail2.cz

mail2.me

mail2.hu

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mail2.com

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mail2.la

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mail2.email

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2mail.pro

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2mail.nl

2mail.im

ml2ai.com

2mail.co

2mail.de

2mila.it

2mail.fr

2mail.online

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mila2.com

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2mail.ch

a2mil.com

2mail.ro

2mail.co.uk

2mail.org

2mail.dk

2mail.serveftp.com

mi2la.de

lima2.com

alim2.com

mali2.com

2mail.pl

2mail.ru

2mail.space

2mail.com

2mail.net

2mail.com.ua

2mail.eu

DNS History

1 record (1 active, 0 former)

●A50.116.27.2492026-06-19 → 2026-07-31 · 2 obs

● 2026-06-19 06:39:44
● 2026-07-31 21:04:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mx	x.mx-ns.mx, i.mx-ns.mx, c.mx-ns.mx, e.mx-ns.mx...	-
ctsum.com.mx	chip.ns.cloudflare.com, rachel.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.84

NS records: chip.ns.cloudflare.com, rachel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctsum.com.mx (unsigned zone)

⏱️ Timing

Total: 233ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.116.27.249`

Analysis

Mail Server Role

ctsum.com.mx uses mail2.ctsum.com.mx as a mail server.

mail.ctsum.com.mx is often seen acting as a mail server in combination with mail2.ctsum.com.mx.

IP Addresses

mail2.ctsum.com.mx resolves to one IP address: 50.116.27.249.

mail2.naosmaritima.com.mx, mail2.gnsp.com.mx, mail2.stemcells.com.mx and two other host names share IP numbers with mail2.ctsum.com.mx.

mail2.ctsum.com.mx - robtex.com