`calibresearch.com`

DNSSEC	⚠️ Not signed
A	194.145.241.50^{🇬🇧 M-1194.145.241.0/24}
		PTR	`ns1.ancarbhost.co.uk`
NS	`ns0.zen.co.uk` ⭐
		A	2a02:8010:7:1::53^{🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd}
			PTR	`ns0.zen.co.uk`
		A	212.23.8.1^{🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd}
			PTR	`ns0.zen.co.uk`
NS	`ns1.zen.co.uk`
		A	2a02:8010:2:8::53^{🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd}
			PTR	`ns1.zen.co.uk`
		A	212.23.3.1^{🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd}
			PTR	`ns1.zen.co.uk`
MX	`calibresearch-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.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::c^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00304.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`v=spf1 mx a ip4:92.60.127.127 ip4:194.145.240.0/23 ip4:13.74.168.84 ip4:52.16...`
TXT	`MS=ms38549401`
SOA	`ns0.zen.co.uk`netman@zen.co.uk 2019-11-20 #61

`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=1776658597

Same first word

calibresearch.com

DNS History

6 records (4 active, 2 former)

●NSns0.zen.co.uk2026-04-03 → 2026-04-20 · 3 obs

○ 2018-09-23 10:22:20
● 2026-04-03 07:00:18
● 2026-04-20 04:27:24

○NSns1.ancarbhost.co.uk2015-07-20 → 2018-09-23 · 4 obs

● 2015-07-20 02:42:56
● 2018-09-23 10:22:20
○ 2026-04-03 07:00:18
○ 2026-04-20 04:27:24

●NSns1.zen.co.uk2026-04-03 → 2026-04-20 · 3 obs

○ 2018-09-23 10:22:20
● 2026-04-03 07:00:18
● 2026-04-20 04:27:24

○NSns2.ancarbhost.co.uk2015-07-20 → 2018-09-23 · 4 obs

● 2015-07-20 02:42:56
● 2018-09-23 10:22:20
○ 2026-04-03 07:00:18
○ 2026-04-20 04:27:24

●MXcalibresearch-com.mail.protection.outlook.com2026-04-03 → 2026-04-20 · 2 obs

● 2026-04-03 07:00:18
● 2026-04-20 04:27:24

●A194.145.241.502015-07-20 → 2026-04-20 · 2 obs

● 2015-07-20 02:42:56
● 2026-04-20 04:27:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
calibresearch.com	ns0.zen.co.uk, ns1.zen.co.uk	-

✅ Authoritative Response

Server:212.23.8.1

NS records: ns0.zen.co.uk, ns1.zen.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calibresearch.com (unsigned zone)

⏱️ Timing

Total: 2534ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`194.145.241.50`
NS	2	`ns1.zen.co.uk, ns0.zen.co.uk`
MX	1	`calibresearch-com.mail.protection.outloo`
TXT	2	`v=spf1 mx a ip4:92.60.127.127 ip4:194.14, MS=ms38549401`
SOA	1	`ns0.zen.co.uk netman.zen.co.uk`

Analysis

IP Addresses

calibresearch.com resolves to a single IP address: 194.145.241.50.

Other host names including lindaregan.co.uk, journalofmemories.net, drivemedical.co.uk, my-jom.org and zyro.eu share IP numbers with calibresearch.com.

Name Servers

calibresearch.com's delegation uses two name servers, ns0.zen.co.uk and ns1.zen.co.uk.

calibresearch.com shares the same name server setup as other domains, for example idealelevators.com, carabela.net, iowhost.com, isogen.org.uk and tmc.org.uk.

calibresearch.com shares some name servers with other domains, such as buoyant-upholstery.co.uk, blenheimcdp.org.uk, arzuki.net and baseltd.co.uk.

These name servers are often used together with unamuno.zen.co.uk.

Host names with two IPs:

ns0.zen.co.uk points to: 2a02:8010:7:1::53 and 212.23.8.1

ns1.zen.co.uk points to: 2a02:8010:2:8::53 and 212.23.3.1

Mail Servers

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

Hostname calibresearch-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::e, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::c, 52.101.68.27, 52.101.73.1, 52.101.73.2 and 52.101.73.153.

calibresearch.com - robtex.com