ctcomputing.ie - dns.ninja

`ctcomputing.ie`

DNSSEC	⚠️ Not signed
A	79.170.242.21^{🇮🇪 LEASEWEB-NL-AMS-0179.170.242.0/24}
		PTR	`canopus.hosting.ie`
NS	`a.dns.ie` ⭐
		A	2001:67c:1bc::112^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`a.dns.ie`
		A	192.174.68.112^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`a.dns.ie`
NS	`b.dns.ie`
		A	2001:67c:10b8::112^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`b.dns.ie`
		A	176.97.158.112^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`b.dns.ie`
MX	`ctcomputing-ie.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`a.dns.ie`dns@id.ie 2024-09-25 #22

`ie`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.ie` ⭐
	NS	`c.ns.ie`
	NS	`d.ns.ie`
	NS	`e.ns.ie`
	NS	`h.ns.ie`
	NS	`i.ns.ie`
	SOA	`a.ns.ie`tld-tech@weare.ie serial=2608111900

Subdomains

mail.ctcomputing.ie

Same first word

ctcomputing.ie

Similar names

tccomputing.com

DNS History

9 records (4 active, 5 former)

●NSa.dns.ie2026-03-07 → 2026-08-11 · 3 obs

○ 2017-05-23 14:54:48
● 2026-03-07 05:12:32
● 2026-08-11 20:34:06

●NSb.dns.ie2026-03-07 → 2026-08-11 · 3 obs

○ 2017-05-23 14:54:48
● 2026-03-07 05:12:32
● 2026-08-11 20:34:06

○NSns1.irishdomains.com2015-07-26 → 2017-05-23 · 4 obs

● 2015-07-26 10:18:54
● 2017-05-23 14:54:48
○ 2026-03-07 05:12:32
○ 2026-08-11 20:34:06

○NSns2.irishdomains.com2015-07-26 → 2017-05-23 · 4 obs

● 2015-07-26 10:18:54
● 2017-05-23 14:54:48
○ 2026-03-07 05:12:32
○ 2026-08-11 20:34:06

●MXctcomputing-ie.mail.protection.outlook.com2016-12-07 → 2026-08-11 · 3 obs

○ 2016-04-12 08:47:56
● 2016-12-07 08:36:46
● 2026-08-11 20:34:06

○MXmail.ctcomputing.ie2015-07-26 → 2016-04-12 · 4 obs

● 2015-07-26 10:18:54
● 2016-04-12 08:47:56
○ 2016-12-07 08:36:46
○ 2026-08-11 20:34:06

○MXmxbackup.odmr.com2015-07-26 → 2016-04-12 · 4 obs

● 2015-07-26 10:18:54
● 2016-04-12 08:47:56
○ 2016-12-07 08:36:46
○ 2026-08-11 20:34:06

●A79.170.242.212026-03-07 → 2026-08-11 · 3 obs

○ 2017-05-23 14:54:48
● 2026-03-07 05:12:32
● 2026-08-11 20:34:06

○A79.170.244.422015-07-26 → 2017-05-23 · 4 obs

● 2015-07-26 10:18:54
● 2017-05-23 14:54:48
○ 2026-03-07 05:12:32
○ 2026-08-11 20:34:06

🔍 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: 479ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`79.170.242.21`
NS	2	`b.dns.ie, a.dns.ie`
MX	1	`ctcomputing-ie.mail.protection.outlook.c`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`a.dns.ie dns.id.ie`

📌 Glue Records Collected

Total: 16

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

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

Analysis

Hierarchy

ctcomputing.ie is a parent domain of mail.ctcomputing.ie.

IP Addresses

ctcomputing.ie resolves to one IP address: 79.170.242.21.

angel.ie, git.ie, nealmurphy.ie and two other host names share IP numbers with ctcomputing.ie.

Name Servers

Two name servers handle the delegation for ctcomputing.ie: a.dns.ie and b.dns.ie.

ctcomputing.ie uses the same name servers as several other domains — among them dfc.ie, slinggin.com, teemoreengineering.ie and two more.

ctcomputing.ie shares at least some of its name servers with other domains, such as mosney.com and inistech.com.

a.dns.ie and b.dns.ie both carry two IP addresses. The A records for a.dns.ie are 192.174.68.112 and 2001:67c:1bc::112; the A records for b.dns.ie are 176.97.158.112 and 2001:67c:10b8::112.

Mail Servers

Mail for ctcomputing.ie is handled by a single mail server, ctcomputing-ie.mail.protection.outlook.com.

ctcomputing-ie.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.12, 52.101.73.12, 52.101.73.22 and 5 others.