mail.cortech.co - robtex.com

mail.cortech.co

DNSSEC⚠️ Not signed
A78.47.218.226🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5
PTRachaemenes.cortech.co
MXmail.cortech.co ⭐
A78.47.218.226🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5
PTRachaemenes.cortech.co
TXTv=spf1 ip4:78.47.218.226 ip4:203.29.242.87 ip4:69.55.238.192 ip6:2a01:4f8:c17...

cortech.co

DNSSEC⚠️ Not signed
A78.47.218.226🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5
NSns2.cortech.co ⭐
NSns1.cortech.co ⚠️ Not in parent delegation
NSns1.craven.id.au ⚠️ Not in parent delegation
NSns2.craven.id.au ⚠️ Not in parent delegation
NSns3.cortech.co
NSns3.craven.id.au ⚠️ Not in parent delegation
MXmail.cortech.co ⭐
TXTAlex Craven
TXTv=spf1 ip4:203.29.242.87 ip4:78.47.218.226 ip4:69.55.238.192 ip6:2a01:4f8:c17...
SOAns2.cortech.copostmaster@cortech.co 2026-03-28 #1

MX for

mail.cortech.co
craven.id.au
cortech.co

Previously MX for

cortechconsulting.com.au

Same first word

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DNS History

3 records (2 active, 1 former)

20162017201820192020202120222023202420252026MXmail.cortech.coA78.47.218.226203.82.209.73
●MXmail.cortech.co2015-07-25 → 2026-04-12 · 2 obs
● 2015-07-25 02:34:24
● 2026-04-12 20:37:00
○A203.82.209.732015-07-25 → 2015-07-25 · 3 obs
● 2015-07-25 02:34:24
○ 2015-11-24 04:43:42
○ 2026-04-12 20:37:00
●A78.47.218.2262015-11-24 → 2026-04-12 · 3 obs
○ 2015-07-25 02:34:24
● 2015-11-24 04:43:42
● 2026-04-12 20:37:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cob.registrydns.co, c.registrydns.co, d.registrydns.co, a.registrydns.co-
cortech.cons2.craven.id.au, ns2.cortech.co, ns3.craven.id.au, ns3.cortech.co2 records

✅ Authoritative Response

Server:78.47.218.226

NS records: ns2.craven.id.au, ns2.cortech.co, ns3.craven.id.au, ns3.cortech.co

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cortech.co (unsigned zone)

⏱️ Timing

Total: 240ms | Queries: -

📄 Records

TypeCountSample Data
A178.47.218.226
MX1mail.cortech.co (pri: 10)
TXT1v=spf1 ip4:78.47.218.226 ip4:203.29.242.

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns2.cortech.co, ns3.cortech.co)

Analysis

Mail Server Role

mail.cortech.co is the mail server for mail.cortech.co, craven.id.au and cortech.co.

IP Addresses

mail.cortech.co points to a single IP address: 78.47.218.226.

Other host names such as ns2.cortech.co, ns2.craven.id.au, craven.id.au, cortech.co and achaemenes.cortech.co share IP numbers with mail.cortech.co.

Mail Servers

Mail for mail.cortech.co is handled by a single mail server, mail.cortech.co.

mail.cortech.co uses the same mail server setup as other domains, for example craven.id.au and cortech.co.

Host mail.cortech.co points to IP 78.47.218.226.