`crystallise.uk.com`

DNSSEC	🔒 Signed (DS record present)
A	217.70.184.55^{🇫🇷 GANDI-AS217.70.184.0/24 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
		PTR	`webredir.gandi.net`
NS	`ns1.gandi.net` ⭐
		A	2001:4b98:aaaa::2^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-1-a.gandi.net`
		A	173.246.100.2^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-1-a.gandi.net`
NS	`ns-224-b.gandi.net`
		A	2001:4b98:aaab::e1^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaab::/48 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`ns-224-b.gandi.net`
		A	213.167.230.225^{🇫🇷 GANDI-LIVEDNS213.167.230.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-224-b.gandi.net`
NS	`ns-42-a.gandi.net`
		A	2001:4b98:aaaa::2b^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-42-a.gandi.net`
		A	173.246.100.43^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-42-a.gandi.net`
NS	`ns-81-c.gandi.net`
		A	2604:3400:aaac::52^{🇺🇸 GANDI-LIVEDNS2604:3400:aaac::/48 Gandi US Inc.}
			PTR	`ns-81-c.gandi.net`
		A	217.70.187.82^{🇫🇷 GANDI-LIVEDNS217.70.187.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-81-c.gandi.net`
MX	`d243219.a.ess.uk.barracudanetworks.com` ⭐
		A	18.133.136.186^{🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix}
			PTR	`mail.ess.uk.barracuda.com`
		A	18.133.136.187^{🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix}
			PTR	`mail.ess.uk.barracuda.com`
		A	18.133.136.188^{🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix}
			PTR	`mail.ess.uk.barracuda.com`
MX	`d243219.b.ess.uk.barracudanetworks.com` ⭐
		A	18.133.136.186^{🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix}
			PTR	`mail.ess.uk.barracuda.com`
		A	18.133.136.187^{🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix}
			PTR	`mail.ess.uk.barracuda.com`
		A	18.133.136.188^{🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix}
			PTR	`mail.ess.uk.barracuda.com`
MX	`crystallise-uk-com.mail.protection.outlook.com`⁽¹⁰⁾
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
TXT	`v=spf1 a mx ip4:193.254.210.0/23 ip4:178.79.189.13 a:mail.clevacloud.co.uk in...`
SOA	`ns1.gandi.net`hostmaster@gandi.net serial=1778112000

`uk.com`

	DNSSEC	⚠️ Not signed
	A	54.153.56.183^{🇺🇸 Amazon54.153.0.0/17 EC2 SFO prefix}
	NS	`ns0.centralnic.net` ⭐
	NS	`ns1.centralnic.net`
	NS	`ns2.centralnic.net`
	NS	`ns3.centralnic.net`
	NS	`ns4.centralnic.net`
	MX	`mx-01.emailme.com` ⭐
	TXT	`v=spf1 mx ?all`
	TXT	`google-site-verification=2ksqnMFZRzSVeoDvahA-XF-O7i1zvMeNiF8Y9pOdWEs`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=3000741082

rank #170 globally
rank #112 in the tld
This domain, "uk.com", is a second-level domain for the United Kingdom. It is typically used by businesses or individuals who want to show their connection to the UK, but also want a globally recognized .com domain. It's not an official country code second-level domain (like .co.uk), but it is administered by a private company, CentralNic. The "uk" part indicates the geographical location, while the ".com" part indicates it's typically used for commercial purposes.WOT: SAFE (39/100)
📈 Tranco rank: #545

.UK.COM Domain Registry

.UK.COM is a second-level domain registry offering an alternative to traditional UK domain extensions like .uk or .co.uk. Unlike official UK domains administered by Nominet, .UK.COM is open to everyone globally with no residency or business presence requirements.

Services

Domain Registration — Register .UK.COM domains for UK-focused branding
WHOIS Lookup — Public domain information via CentralNic Registry
Domain Search — Check availability through their website

Target Market

UK businesses seeking international recognition
Global companies targeting UK consumers
Startups needing premium domain alternatives
Anyone unable to secure .uk or .co.uk availability

Technical Infrastructure

Type	Details
Nameservers	CentralNic (ns0-ns4.centralnic.net)
Web Hosting	Amazon AWS (US-West-1, EU-West-1)
Mail Server	mx-01.emailme.com (CentralNic, UK)
DNSSEC	Enabled and validated
Registry	CentralNic
Support	Gen.xyz

Notable Facts

Ranked #184 globally and #119 within .com TLD by popularity
No affiliation with UK government or Nominet
Hosts thousands of subdomains
SPF email authentication configured

Previously MX for

crystallise.uk.com

Same first word

crystallise.ru

crystallise.uk.com

Similar names

rclaystiles.com

DNS History

13 records (8 active, 5 former)

●NSns-224-b.gandi.net2026-04-23 → 2026-05-13 · 3 obs

○ 2017-04-08 19:50:40
● 2026-04-23 15:53:28
● 2026-05-13 07:50:10

●NSns-42-a.gandi.net2026-04-23 → 2026-05-13 · 3 obs

○ 2017-04-08 19:50:40
● 2026-04-23 15:53:28
● 2026-05-13 07:50:10

●NSns-81-c.gandi.net2026-04-23 → 2026-05-13 · 3 obs

○ 2017-04-08 19:50:40
● 2026-04-23 15:53:28
● 2026-05-13 07:50:10

○NSns0.visn.co.uk2015-07-18 → 2017-04-08 · 4 obs

● 2015-07-18 03:05:26
● 2017-04-08 19:50:40
○ 2026-04-23 15:53:28
○ 2026-05-13 07:50:10

●NSns1.gandi.net2026-04-23 → 2026-05-13 · 3 obs

○ 2017-04-08 19:50:40
● 2026-04-23 15:53:28
● 2026-05-13 07:50:10

○NSns1.visn.co.uk2015-07-18 → 2017-04-08 · 4 obs

● 2015-07-18 03:05:26
● 2017-04-08 19:50:40
○ 2026-04-23 15:53:28
○ 2026-05-13 07:50:10

●MXcrystallise-uk-com.mail.protection.outlook.com2026-04-23 → 2026-05-13 · 3 obs

○ 2017-04-08 19:50:40
● 2026-04-23 15:53:28
● 2026-05-13 07:50:10

○MXcrystallise.uk.com2015-07-18 → 2017-04-08 · 4 obs

● 2015-07-18 03:05:26
● 2017-04-08 19:50:40
○ 2026-04-23 15:53:28
○ 2026-05-13 07:50:10

●MXd243219.a.ess.uk.barracudanetworks.com2026-04-23 → 2026-05-13 · 3 obs

○ 2017-04-08 19:50:40
● 2026-04-23 15:53:28
● 2026-05-13 07:50:10

●MXd243219.b.ess.uk.barracudanetworks.com2026-04-23 → 2026-05-13 · 3 obs

○ 2017-04-08 19:50:40
● 2026-04-23 15:53:28
● 2026-05-13 07:50:10

○A193.254.210.2322015-07-18 → 2016-09-18 · 4 obs

● 2015-07-18 03:05:26
● 2016-09-18 13:01:20
○ 2017-04-08 19:50:40
○ 2026-05-13 07:50:10

○A193.254.210.632017-04-08 → 2017-04-08 · 4 obs

○ 2016-09-18 13:01:20
● 2017-04-08 19:50:40
○ 2026-04-23 15:53:28
○ 2026-05-13 07:50:10

●A217.70.184.552026-04-23 → 2026-05-13 · 3 obs

○ 2017-04-08 19:50:40
● 2026-04-23 15:53:28
● 2026-05-13 07:50:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net...	-
uk.com	ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net	-
crystallise.uk.com	ns-224-b.gandi.net, ns-81-c.gandi.net, ns-42-a.gandi.net	-

✅ Authoritative Response

Server:173.246.100.43

NS records: ns-224-b.gandi.net, ns-81-c.gandi.net, ns-42-a.gandi.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1092ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.70.184.55`
NS	3	`ns-224-b.gandi.net, ns-42-a.gandi.net...`
MX	3	`crystallise-uk-com.mail.protection.outlo, d243219.b.ess.uk.barracudanetworks.com (...`
TXT	1	`v=spf1 a mx ip4:193.254.210.0/23 ip4:178`
SOA	1	`ns1.gandi.net hostmaster.gandi.net`