mail.ctcomputing.ie - dns.ninja
mail.ctcomputing.ie
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.101.91.172🇮🇪 LibertyGlobal89.101.0.0/16 NTL Ireland | ||||||
| PTR | 089-101-091172.customer.vmie.ie | ||||||
ctcomputing.ie
| DNSSEC | ⚠️ Not signed | ||||||
| A | 79.170.242.21🇮🇪 LEASEWEB-NL-AMS-0179.170.242.0/24 | ||||||
| NS | a.dns.ie ⭐ | ||||||
| NS | b.dns.ie | ||||||
| MX | ctcomputing-ie.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | a.dns.iedns@id.ie 2024-09-25 #22 | ||||||
Previously MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○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
● 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
● 2026-02-18 03:10:16
● 2026-08-12 03:41:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ie | a.ns.ie, c.ns.ie, d.ns.ie, e.ns.ie... | 12 records |
| ctcomputing.ie | b.dns.ie, a.dns.ie | 4 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
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.101.91.172 |
📌 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.