mail.math.cinvestav.mx - robtex.com

mail.math.cinvestav.mx

DNSSEC⚠️ Not signed
A148.247.186.3🇲🇽 AS3548148.247.186.0/24 CINVESTAV
PTRlogin.math.cinvestav.mx
MXninguno.math.cinvestav.mx ⭐
A127.0.0.1
TXTv=spf1 -all

math.cinvestav.mx

DNSSEC⚠️ Not signed
A148.247.67.24🇲🇽 AS3548148.247.67.0/24 CINVESTAV
NSdns.math.cinvestav.mx ⭐
NSdns.esfm.ipn.mx
NSdns.fis.cinvestav.mx
NSns.esfm.ipn.mx
MXlogin.math.cinvestav.mx ⭐
TXTv=spf1 ip4:148.247.186.0/24 ip4:35.172.52.194 ip4:187.141.45.194 -all
SOAdns.math.cinvestav.mxenriquez@math.cinvestav.mx serial=201802043
WOT: SAFE (62/100)

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DNS History

2 records (2 active, 0 former)

MXninguno.math.cinvestav.mxA148.247.186.3
●MXninguno.math.cinvestav.mx2026-02-23 → 2026-06-08 · 2 obs
● 2026-02-23 04:45:50
● 2026-06-08 05:11:38
●A148.247.186.32026-02-23 → 2026-06-08 · 2 obs
● 2026-02-23 04:45:50
● 2026-06-08 05:11:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
mxe.mx-ns.mx, c.mx-ns.mx, m.mx-ns.mx, o.mx-ns.mx...-
cinvestav.mxsoun.red.cinvestav.mx, dns3.tamps.cinvestav.mx, mvax1.red.cinvestav.mx3 records
math.cinvestav.mxdns.esfm.ipn.mx, dns.math.cinvestav.mx, ns.esfm.ipn.mx, dns.fis.cinvestav.mx2 records

✅ Authoritative Response

Server:148.204.18.3

NS records: dns.esfm.ipn.mx, dns.math.cinvestav.mx, ns.esfm.ipn.mx, dns.fis.cinvestav.mx

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cinvestav.mx (unsigned zone)

⏱️ Timing

Total: 4069ms | Queries: -

📄 Records

TypeCountSample Data
A1148.247.186.3
MX1ninguno.math.cinvestav.mx (pri: 39)
TXT1v=spf1 -all

📌 Glue Records Collected

Total: 5

In-bailiwick: 4 (mvax1.red.cinvestav.mx, soun.red.cinvestav.mx, dns3.tamps.cinvestav.mx...)

Out-of-bailiwick: 1 (dns.fis.cinvestav.mx)

Analysis

IP Addresses

mail.math.cinvestav.mx resolves to one IP address: 148.247.186.3.

Further host names like login.math.cinvestav.mx and pine.math.cinvestav.mx overlap in IP numbers with mail.math.cinvestav.mx.

Mail Servers

Mail for mail.math.cinvestav.mx is handled by a single mail server, ninguno.math.cinvestav.mx.

mail.math.cinvestav.mx uses an identical mail server configuration to several other domains — among them dynamic232.math.cinvestav.mx, estela.math.cinvestav.mx, dynamic239.math.cinvestav.mx and two more.

ninguno.math.cinvestav.mx resolves to 127.0.0.1 and no other IP number.