ns2.cortech.co - robtex.com
ns2.cortech.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.47.218.226🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | achaemenes.cortech.co | ||||||
| TXT | v=spf1 ~all | ||||||
cortech.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.47.218.226🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| NS | ns2.cortech.co ⭐ | ||||||
| NS | ns1.cortech.co ⚠️ Not in parent delegation | ||||||
| NS | ns1.craven.id.au ⚠️ Not in parent delegation | ||||||
| NS | ns2.craven.id.au | ||||||
| NS | ns3.cortech.co | ||||||
| NS | ns3.craven.id.au | ||||||
| MX | mail.cortech.co ⭐ | ||||||
| TXT | Alex Craven | ||||||
| TXT | v=spf1 ip4:203.29.242.87 ip4:78.47.218.226 ip4:69.55.238.192 ip6:2a01:4f8:c17... | ||||||
| SOA | ns2.cortech.copostmaster@cortech.co 2026-03-28 #1 | ||||||
NS for
Previously NS for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A188.40.87.132015-06-29 → 2015-06-29 · 3 obs
● 2015-06-29 20:45:52
○ 2015-11-03 21:41:50
○ 2026-04-14 00:11:36
○ 2015-11-03 21:41:50
○ 2026-04-14 00:11:36
●A78.47.218.2262015-11-03 → 2026-04-14 · 3 obs
○ 2015-06-29 20:45:52
● 2015-11-03 21:41:50
● 2026-04-14 00:11:36
● 2015-11-03 21:41:50
● 2026-04-14 00:11:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| cortech.co | ns2.craven.id.au, ns2.cortech.co, ns3.craven.id.au, ns3.cortech.co | 2 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: 463ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.47.218.226 |
| TXT | 1 | v=spf1 ~all |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns2.cortech.co, ns3.cortech.co)
Analysis
Name Server Role
ns2.cortech.co acts as the name server for craven.id.au and cortech.co.
ns1.cortech.co, ns3.cortech.co and ns1.craven.id.au commonly serve as name servers together with ns2.cortech.co.
IP Addresses
ns2.cortech.co resolves to one IP number: 78.47.218.226.
Other host names, for instance achaemenes.cortech.co, mail.cortech.co, ns2.craven.id.au, craven.id.au and cortech.co share IP numbers with ns2.cortech.co.