mdt.mx - dns.ninja

mdt.mx

DNSSEC⚠️ Not signed
A52.202.83.121πŸ‡ΊπŸ‡Έ Amazon52.200.0.0/13 EC2 IAD prefix
PTRec2-52-202-83-121.compute-1.amazonaws.com
NSns1.krismar.mx ⭐
A52.202.83.121πŸ‡ΊπŸ‡Έ Amazon52.200.0.0/13 EC2 IAD prefix
PTRec2-52-202-83-121.compute-1.amazonaws.com
NSns2.krismar.mx
A52.202.83.121πŸ‡ΊπŸ‡Έ Amazon52.200.0.0/13 EC2 IAD prefix
PTRec2-52-202-83-121.compute-1.amazonaws.com
MXinbound-smtp.us-east-1.amazonaws.com ⭐
A3.211.210.226πŸ‡ΊπŸ‡Έ Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-211-210-226.compute-1.amazonaws.com
A44.206.9.87πŸ‡ΊπŸ‡Έ Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-206-9-87.compute-1.amazonaws.com
A44.210.166.32πŸ‡ΊπŸ‡Έ Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-210-166-32.compute-1.amazonaws.com
A54.164.173.191πŸ‡ΊπŸ‡Έ Amazon54.164.0.0/15 EC2 IAD prefix
PTRec2-54-164-173-191.compute-1.amazonaws.com
A54.197.5.236πŸ‡ΊπŸ‡Έ Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15
PTRec2-54-197-5-236.compute-1.amazonaws.com
MXmdt.mx(2)
A52.202.83.121πŸ‡ΊπŸ‡Έ Amazon52.200.0.0/13 EC2 IAD prefix
PTRec2-52-202-83-121.compute-1.amazonaws.com
TXTv=spf1 +a +mx +ip4:52.202.83.121 ~all
TXTv=spf1 include:amazonses.com ~all
SOAns1.krismar.mxmagoh@krismar.com.mx 2026-08-05 #2

mx

DNSSECπŸ”’ Signed (DS record present)
NSm.mx-ns.mx ⭐
NSc.mx-ns.mx
NSe.mx-ns.mx
NSi.mx-ns.mx
NSo.mx-ns.mx
NSx.mx-ns.mx
TXTv=spf1 -all
SOAm.mx-ns.mxhostmaster@nic.mx serial=1786134276

MX for

Subdomains

Same first word

Similar names

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSns1.krismar.mxns2.krismar.mxns1.mdt.mxns2.mdt.mxMXinbound-smtp.us-east-1.amazonaws.commdt.mxA52.202.83.121209.59.186.864.91.233.23367.23.248.130
●NSns1.krismar.mx2026-03-28 β†’ 2026-08-07 Β· 3 obs
β—‹ 2016-12-31 02:04:56
● 2026-03-28 07:22:06
● 2026-08-07 20:47:56
β—‹NSns1.mdt.mx2015-08-11 β†’ 2016-12-31 Β· 4 obs
● 2015-08-11 20:12:00
● 2016-12-31 02:04:56
β—‹ 2026-03-28 07:22:06
β—‹ 2026-08-07 20:47:56
●NSns2.krismar.mx2026-03-28 β†’ 2026-08-07 Β· 3 obs
β—‹ 2016-12-31 02:04:56
● 2026-03-28 07:22:06
● 2026-08-07 20:47:56
β—‹NSns2.mdt.mx2015-08-11 β†’ 2016-12-31 Β· 4 obs
● 2015-08-11 20:12:00
● 2016-12-31 02:04:56
β—‹ 2026-03-28 07:22:06
β—‹ 2026-08-07 20:47:56
●MXinbound-smtp.us-east-1.amazonaws.com2026-03-28 β†’ 2026-08-07 Β· 3 obs
β—‹ 2015-08-11 20:12:00
● 2026-03-28 07:22:06
● 2026-08-07 20:47:56
●MXmdt.mx2015-08-11 β†’ 2026-08-07 Β· 2 obs
● 2015-08-11 20:12:00
● 2026-08-07 20:47:56
β—‹A209.59.186.82015-12-19 β†’ 2016-02-24 Β· 5 obs
β—‹ 2015-08-11 20:12:00
● 2015-12-19 01:47:18
● 2016-02-24 07:04:38
β—‹ 2016-03-15 02:05:10
β—‹ 2026-08-07 20:47:56
●A52.202.83.1212026-03-28 β†’ 2026-08-07 Β· 3 obs
β—‹ 2016-12-31 02:04:56
● 2026-03-28 07:22:06
● 2026-08-07 20:47:56
β—‹A64.91.233.2332015-08-11 β†’ 2015-08-11 Β· 3 obs
● 2015-08-11 20:12:00
β—‹ 2015-12-19 01:47:18
β—‹ 2026-08-07 20:47:56
β—‹A67.23.248.1302016-03-15 β†’ 2016-12-31 Β· 5 obs
β—‹ 2016-02-24 07:04:38
● 2016-03-15 02:05:10
● 2016-12-31 02:04:56
β—‹ 2026-03-28 07:22:06
β—‹ 2026-08-07 20:47:56

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
mxc.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx...-
mdt.mxns1.krismar.mx, ns2.krismar.mx1 record

βœ… Authoritative Response

Server:52.202.83.121

NS records: ns1.krismar.mx, ns2.krismar.mx

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mdt.mx (unsigned zone)

⏱️ Timing

Total: 647ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A152.202.83.121
NS2ns2.krismar.mx, ns1.krismar.mx
MX2mdt.mx (pri: 2), inbound-smtp.us-east-1.amazonaws.com (pr
TXT2v=spf1 +a +mx +ip4:52.202.83.121 ~all, v=spf1 include:amazonses.com ~all
SOA1ns1.krismar.mx magoh.krismar.com.mx

πŸ“Œ Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns1.krismar.mx)

Analysis

Hierarchy

ns1.mdt.mx is a subdomain of mdt.mx.

Mail Server Role

mdt.mx is listed as a mail server for itself.

inbound-smtp.us-east-1.amazonaws.com is often seen acting as a mail server in combination with mdt.mx.

IP Addresses

mdt.mx resolves to one IP address: 52.202.83.121.

krismar-educa.com.mx, ns2.krismar.mx, krismar.mx and two other host names share IP numbers with mdt.mx.

Name Servers

DNS delegation for mdt.mx points to two name servers: ns1.krismar.mx and ns2.krismar.mx.

mdt.mx uses the same name servers as krismar-educa.com.mx, ns2.krismar.mx, krismar.mx and ns1.krismar.mx, among others.

Both ns1.krismar.mx and ns2.krismar.mx have a single IP address, 52.202.83.121, and share it.

Host names pointing to 52.202.83.121 IP addresses: ns1.krismar.mx and ns2.krismar.mx.

Mail Servers

mdt.mx uses two mail servers, mdt.mx and inbound-smtp.us-east-1.amazonaws.com.

mdt.mx has at least partial mail server overlap with other domains such as chinatasterestaurantmd.com, bethfreemanart.com, cliqco.slack.com and two more.

This set of mail servers commonly appears together with the mail servers inbound-smtp.us-west-2.amazonaws.com.

Hostnames pointing to five IP numbers:

inbound-smtp.us-east-1.amazonaws.com resolves to four IP addresses: 3.211.210.226, 44.206.9.87, 44.210.166.32 and two others.

Hosts with just one IP address:

mdt.mx directs to 52.202.83.121.