mail.ctcomputing.ie - dns.ninja

mail.ctcomputing.ie

DNSSEC⚠️ Not signed
A89.101.91.172🇮🇪 LibertyGlobal89.101.0.0/16 NTL Ireland
PTR089-101-091172.customer.vmie.ie

ctcomputing.ie

DNSSEC⚠️ Not signed
A79.170.242.21🇮🇪 LEASEWEB-NL-AMS-0179.170.242.0/24
NSa.dns.ie
NSb.dns.ie
MXctcomputing-ie.mail.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
SOAa.dns.iedns@id.ie 2024-09-25 #22

Previously MX for

Same first word

Similar names

DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A89.101.91.17287.192.222.124
A87.192.222.1242015-07-25 → 2016-06-24 · 4 obs
● 2015-07-25 18:02:02
● 2016-06-24 07:34:38
○ 2026-02-18 03:10:16
○ 2026-08-12 03:41:00
A89.101.91.1722026-02-18 → 2026-08-12 · 3 obs
○ 2016-06-24 07:34:38
● 2026-02-18 03:10:16
● 2026-08-12 03:41:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
iea.ns.ie, c.ns.ie, d.ns.ie, e.ns.ie...12 records
ctcomputing.ieb.dns.ie, a.dns.ie4 records

✅ Authoritative Response

Server:192.174.68.112

NS records: b.dns.ie, a.dns.ie

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctcomputing.ie (unsigned zone)

⏱️ Timing

Total: 409ms | Queries: -

📄 Records

TypeCountSample Data
A189.101.91.172

📌 Glue Records Collected

Total: 16

In-bailiwick: 12 (a.ns.ie, c.ns.ie, d.ns.ie...)

Out-of-bailiwick: 4 (b.dns.ie, a.dns.ie, b.dns.ie...)

Analysis

IP Addresses

mail.ctcomputing.ie has exactly one IP address — 89.101.91.172.