alfratec.com.mx - robtex.com

alfratec.com.mx

DNSSEC⚠️ Not signed
A66.135.29.70🇺🇸 AS-VULTR66.135.0.0/19 Vultr Assigned Prefix
PTRservidor.criticalserver6.net
NSns1.criticalserver6.net ⭐
A66.135.29.70🇺🇸 AS-VULTR66.135.0.0/19 Vultr Assigned Prefix
PTRservidor.criticalserver6.net
NSns2.criticalserver6.net
A66.135.29.70🇺🇸 AS-VULTR66.135.0.0/19 Vultr Assigned Prefix
PTRservidor.criticalserver6.net
MXalfratec.com.mx ⭐
A66.135.29.70🇺🇸 AS-VULTR66.135.0.0/19 Vultr Assigned Prefix
PTRservidor.criticalserver6.net
TXTv=spf1 ip4:66.135.29.70 ip4:108.61.8.74 +a +mx +ip4:207.246.73.55 ~all
SOAns1.criticalserver6.netservidores@criticalmail.net 2026-07-28 #5

com.mx

DNSSEC⚠️ Not signed
NSm.mx-ns.mx ⭐ ⚠️ Not in parent delegation
NSc.mx-ns.mx ⚠️ Not in parent delegation
NSe.mx-ns.mx ⚠️ Not in parent delegation
NSi.mx-ns.mx ⚠️ Not in parent delegation
NSo.mx-ns.mx ⚠️ Not in parent delegation
NSx.mx-ns.mx ⚠️ Not in parent delegation
TXTv=spf1 -all
SOAm.mx-ns.mxhostmaster@nic.mx serial=1785260017
WOT: NOT_SAFE (44/100)

MX for

alfratec.com.mx

Same first word

alfratec.com.mx
alfratec.com

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DNS History

4 records (4 active, 0 former)

NSns1.criticalserver6.netns2.criticalserver6.netMXalfratec.com.mxA66.135.29.70
●NSns1.criticalserver6.net2026-06-05 → 2026-07-28 · 2 obs
● 2026-06-05 22:24:02
● 2026-07-28 17:55:42
●NSns2.criticalserver6.net2026-06-05 → 2026-07-28 · 2 obs
● 2026-06-05 22:24:02
● 2026-07-28 17:55:42
●MXalfratec.com.mx2026-06-05 → 2026-07-28 · 2 obs
● 2026-06-05 22:24:02
● 2026-07-28 17:55:42
●A66.135.29.702026-06-05 → 2026-07-28 · 2 obs
● 2026-06-05 22:24:02
● 2026-07-28 17:55:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
mxc.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx...-
alfratec.com.mxns1.criticalserver6.net, ns2.criticalserver6.net-

✅ Authoritative Response

Server:66.135.29.70

NS records: ns1.criticalserver6.net, ns2.criticalserver6.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1739ms | Queries: -

📄 Records

TypeCountSample Data
A166.135.29.70
NS2ns1.criticalserver6.net, ns2.criticalserver6.net
MX1alfratec.com.mx (pri: 0)
TXT1v=spf1 ip4:66.135.29.70 ip4:108.61.8.74
SOA1ns1.criticalserver6.net servidores.criti

Analysis

Mail Server Role

alfratec.com.mx is listed as a mail server for itself.

IP Addresses

alfratec.com.mx resolves to one IP address: 66.135.29.70.

cpcalendars.camcolorantes.com.mx, cpcontacts.terratek.com.mx, cpcalendars.ecimsa.com.mx and two other host names share IP numbers with alfratec.com.mx.

Name Servers

The NS records for alfratec.com.mx delegate to ns1.criticalserver6.net and ns2.criticalserver6.net.

alfratec.com.mx uses the same name servers as several other domains — among them cem.mx, mrisa.com, firo.mx and two more.

alfratec.com.mx and other domains like qualitytank.com.mx share at least a portion of their name servers.

Each of ns1.criticalserver6.net and ns2.criticalserver6.net points to exactly one IP address: 66.135.29.70.

ns1.criticalserver6.net and ns2.criticalserver6.net each have 66.135.29.70 IP addresses.

Mail Servers

Mail for alfratec.com.mx is handled by one mail server — alfratec.com.mx.

alfratec.com.mx resolves to 66.135.29.70 and no other IP number.