`stcolumbsalumni.com`

DNSSEC	⚠️ Not signed
A	185.211.23.51^{🇬🇧 ASN-LABTECH185.211.23.0/24 Husky Networks 2}
		PTR	`51.23.huskynetworks.co.uk`
NS	`ns47.domaincontrol.com` ⭐
		A	2603:5:2172::18^{🇺🇸 GODADDY-DNS2603:5:2170::/44}
			PTR	`ns47.domaincontrol.com`
		A	97.74.103.24^{🇺🇸 GODADDY-DNS97.74.102.0/23}
			PTR	`ns47.domaincontrol.com`
NS	`ns48.domaincontrol.com`
		A	2603:5:2272::18^{🇺🇸 GODADDY-DNS2603:5:2270::/44}
			PTR	`ns48.domaincontrol.com`
		A	173.201.71.24^{🇺🇸 GODADDY-DNS173.201.70.0/23}
			PTR	`ns48.domaincontrol.com`
MX	`stcolumbsalumni-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00601.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`MS=ms64087608`
TXT	`v=spf1 include:secureserver.net -all`
SOA	`ns47.domaincontrol.com`dns@jomax.net 2022-12-21 #6

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778863496

Same first word

stcolumbsalumni.com

DNS History

14 records (4 active, 10 former)

○NSns1.justhost.com2015-08-22 → 2016-12-28 · 4 obs

● 2015-08-22 23:02:26
● 2016-12-28 04:13:22
○ 2018-06-03 09:32:22
○ 2026-05-15 16:52:56

○NSns1.krystal.co.uk2018-06-03 → 2018-06-03 · 4 obs

○ 2016-12-28 04:13:22
● 2018-06-03 09:32:22
○ 2026-03-21 07:17:36
○ 2026-05-15 16:52:56

○NSns2.justhost.com2015-08-22 → 2016-12-28 · 4 obs

● 2015-08-22 23:02:26
● 2016-12-28 04:13:22
○ 2018-06-03 09:32:22
○ 2026-05-15 16:52:56

○NSns2.krystal.co.uk2018-06-03 → 2018-06-03 · 4 obs

○ 2016-12-28 04:13:22
● 2018-06-03 09:32:22
○ 2026-03-21 07:17:36
○ 2026-05-15 16:52:56

●NSns47.domaincontrol.com2026-03-21 → 2026-05-15 · 3 obs

○ 2018-06-03 09:32:22
● 2026-03-21 07:17:36
● 2026-05-15 16:52:56

●NSns48.domaincontrol.com2026-03-21 → 2026-05-15 · 3 obs

○ 2018-06-03 09:32:22
● 2026-03-21 07:17:36
● 2026-05-15 16:52:56

○MXmail.stcolumbsalumni.com2015-08-22 → 2016-12-28 · 4 obs

● 2015-08-22 23:02:26
● 2016-12-28 04:13:22
○ 2018-06-03 09:32:22
○ 2026-05-15 16:52:56

○MXmx1.krystal.co.uk2018-06-03 → 2018-06-03 · 4 obs

○ 2016-12-28 04:13:22
● 2018-06-03 09:32:22
○ 2026-03-21 07:17:36
○ 2026-05-15 16:52:56

○MXmx2.krystal.co.uk2018-06-03 → 2018-06-03 · 4 obs

○ 2016-12-28 04:13:22
● 2018-06-03 09:32:22
○ 2026-03-21 07:17:36
○ 2026-05-15 16:52:56

●MXstcolumbsalumni-com.mail.protection.outlook.com2026-03-21 → 2026-05-15 · 3 obs

○ 2018-06-03 09:32:22
● 2026-03-21 07:17:36
● 2026-05-15 16:52:56

○A173.254.28.1262015-08-22 → 2016-12-28 · 6 obs

● 2015-08-22 23:02:26
● 2015-12-27 03:42:50
○ 2016-04-09 18:05:44
● 2016-12-28 04:13:22
○ 2018-06-03 09:32:22
○ 2026-05-15 16:52:56

●A185.211.23.512026-03-21 → 2026-05-15 · 3 obs

○ 2018-06-03 09:32:22
● 2026-03-21 07:17:36
● 2026-05-15 16:52:56

○A74.220.199.92016-04-09 → 2016-04-09 · 4 obs

○ 2015-12-27 03:42:50
● 2016-04-09 18:05:44
○ 2016-12-28 04:13:22
○ 2026-05-15 16:52:56

○A77.72.1.662018-06-03 → 2018-06-03 · 4 obs

○ 2016-12-28 04:13:22
● 2018-06-03 09:32:22
○ 2026-03-21 07:17:36
○ 2026-05-15 16:52:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
stcolumbsalumni.com	ns47.domaincontrol.com, ns48.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.103.24

NS records: ns47.domaincontrol.com, ns48.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stcolumbsalumni.com (unsigned zone)

⏱️ Timing

Total: 173ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.211.23.51`
NS	2	`ns47.domaincontrol.com, ns48.domaincontrol.com`
MX	1	`stcolumbsalumni-com.mail.protection.outl`
TXT	2	`MS=ms64087608, v=spf1 include:secureserver.net -all`
SOA	1	`ns47.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns47.domaincontrol.com, ns47.domaincontrol.com, ns48.domaincontrol.com...)

Analysis

IP Addresses

stcolumbsalumni.com points to IP number 185.211.23.51.

For instance, other host names jdmcg.co.uk, surestartebm.com, www.traceybros.com, c-tric.com and alpha.ie share IP numbers with stcolumbsalumni.com.

Name Servers

stcolumbsalumni.com is delegated to two name servers: ns47.domaincontrol.com and ns48.domaincontrol.com.

stcolumbsalumni.com uses the same name server setup as other domains such as shericrockett.com, seniorhealthsciences.org, swportlandchildcare.com, elainepofeldt.com and wmhhs.com.

stcolumbsalumni.com shares name servers with other domains at least partially, for instance otspls.com and excellencetrainingden.co.uk.

Host names with two IP numbers:

ns47.domaincontrol.com points to 2603:5:2172::18 and 97.74.103.24; ns48.domaincontrol.com points to 2603:5:2272::18 and 173.201.71.24.

Mail Servers

stcolumbsalumni.com is handled by a single mail server, stcolumbsalumni-com.mail.protection.outlook.com.

Host name stcolumbsalumni-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca1a::, 2a01:111:f403:ca1a::1, 52.101.89.0, 52.101.89.1, 52.101.89.2 and 52.101.99.2.

stcolumbsalumni.com - robtex.com