`castle.uk.com`

DNSSEC	⚠️ Not signed
A	23.227.38.65^{🇨🇦 Cloudflare23.227.38.0/23 Shopify 151 O'Connor Street, Ground floor Ottawa ON K2P 2L8 Canada}
		PTR	`myshopify.com`
NS	`ns37.domaincontrol.com` ⭐
		A	2603:5:21c1::13^{🇺🇸 GODADDY-DNS2603:5:21c0::/44}
			PTR	`ns37.domaincontrol.com`
		A	97.74.108.19^{🇺🇸 GODADDY-DNS97.74.108.0/23}
			PTR	`ns37.domaincontrol.com`
NS	`ns38.domaincontrol.com`
		A	2603:5:22c1::13^{🇺🇸 GODADDY-DNS2603:5:22c0::/44}
			PTR	`ns38.domaincontrol.com`
		A	173.201.76.19^{🇺🇸 GODADDY-DNS173.201.76.0/23}
			PTR	`ns38.domaincontrol.com`
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	`ns37.domaincontrol.com`dns@jomax.net 2026-03-10 #1

`uk.com`

	DNSSEC	🔒 Signed (DS record present)
	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=3000752443

WOT: UNKNOWN (62/100)
rank #177 globally
rank #114 in the tld
Semrush Rank:#5,788,941 Keywords:25 Traffic:29/mo
WOT: SAFE (39/100)
📈 Tranco rank: #530

.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

Same first word

castle.fr

castle.net

castle.com.my

castle.media

castle.it

castle.mx

castle.io

castle.la

castle.school

castle.net.in

castle.ee

castle.builders

castle.nl

castle.li

castle.engineering

castle.furniture

castle.io.in

castle.bet

castle.sx

castle.xyz

castle.cc

castle.capital

castle.ai

castle.cz

castle.international

castle.lv

castle.homeip.net

castle.fm

castle.us

castle.at

castle.biz

castle.works

castle.kg

castle.com.mx

castle.ca

castle.uk.com

castle.co

castle.partners

castle.com

castle.eu.com

castle.computer

castle.co.jp

castle.pro

castle.games

castle.id

castle.ro

castle.uz

castle.ventures

castle.com.qa

castle.tv.in

castle.com.tr

castle.productions

castle.cleaning

castle.hu

castle.kiev.ua

castle.ch

castle.by

castle.black

castle.ae

castle.org

castle.finance

castle.loans

castle.ru

castle.church

castle.pm

castle.co.zw

castle.bg

castle.rs

castle.sucks

castle.company

castle.se

castle.insure

castle.ws

castle.toys

castle.beer

castle.cloud

castle.land

castle.com.au

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sactel.net

lecast.net

ecsatl.com

castel.in

satcel.com

scalet.de

alstec.com.br

tecsal.com

telsac.com

cleats.com

altsec.com

castel.ie

esclat.cat

stelac.com

tcslea.com

castel.nl

alstec.de

lastec.ch

altecs.com

scalet.net

esclat.org

acslte.com

scalet.it

castel.com.hk

scalet.eu

altsec.info

saltec.se

cestla.ch

lecats.com

castel.org.il

celtas.net

scalet.com

tslace.net

castel.com.mx

celtas.com.br

cleats.co.uk

alstec.net

alstec.com

castel.co.za

cleats.com.au

cleats.de

lastec.com.br

cleats.it

cletas.org

castel.ma

clesat.net.br

cleats.org

tacsel.com

lastec.nl

atecsl.net

eltsac.co.uk

slecat.com

teclas.net

escalt.com

castel.be

acstel.com

castel.az

selcat.de

lastec.co.jp

celtas.gal

castel.no

tascel.net

eclats.ch

telcas.az

cleats.soccer

lastec.de

castel.es

scelta.jp

cleats.uy

tscale.ec

telcas.it

castel.ru

DNS History

15 records (6 active, 9 former)

○NSns.123-reg.co.uk2015-06-23 → 2020-03-02 · 4 obs

● 2015-06-23 12:16:18
● 2020-03-02 23:49:06
○ 2026-06-11 07:30:18
○ 2026-06-17 19:54:44

○NSns2.123-reg.co.uk2015-06-23 → 2020-03-02 · 4 obs

● 2015-06-23 12:16:18
● 2020-03-02 23:49:06
○ 2026-06-11 07:30:18
○ 2026-06-17 19:54:44

●NSns37.domaincontrol.com2026-06-11 → 2026-06-17 · 3 obs

○ 2020-03-02 23:49:06
● 2026-06-11 07:30:18
● 2026-06-17 19:54:44

●NSns38.domaincontrol.com2026-06-11 → 2026-06-17 · 3 obs

○ 2020-03-02 23:49:06
● 2026-06-11 07:30:18
● 2026-06-17 19:54:44

○MXmx0.123-reg.co.uk2015-06-23 → 2020-03-02 · 4 obs

● 2015-06-23 12:16:18
● 2020-03-02 23:49:06
○ 2026-06-11 07:30:18
○ 2026-06-17 19:54:44

○MXmx1.123-reg.co.uk2015-06-23 → 2020-03-02 · 4 obs

● 2015-06-23 12:16:18
● 2020-03-02 23:49:06
○ 2026-06-11 07:30:18
○ 2026-06-17 19:54:44

●MXmx1.qiye.aliyun.com2026-06-11 → 2026-06-17 · 3 obs

○ 2020-03-02 23:49:06
● 2026-06-11 07:30:18
● 2026-06-17 19:54:44

●MXmx2.qiye.aliyun.com2026-06-11 → 2026-06-17 · 3 obs

○ 2020-03-02 23:49:06
● 2026-06-11 07:30:18
● 2026-06-17 19:54:44

●MXmx3.qiye.aliyun.com2026-06-11 → 2026-06-17 · 3 obs

○ 2020-03-02 23:49:06
● 2026-06-11 07:30:18
● 2026-06-17 19:54:44

○A198.185.159.1442015-12-13 → 2020-03-02 · 5 obs

○ 2015-11-03 05:48:42
● 2015-12-13 16:44:48
● 2020-03-02 23:49:06
○ 2026-06-11 07:30:18
○ 2026-06-17 19:54:44

○A198.185.159.1452015-12-13 → 2020-03-02 · 5 obs

○ 2015-11-03 05:48:42
● 2015-12-13 16:44:48
● 2020-03-02 23:49:06
○ 2026-06-11 07:30:18
○ 2026-06-17 19:54:44

○A198.49.23.1442015-12-13 → 2020-03-02 · 5 obs

○ 2015-11-03 05:48:42
● 2015-12-13 16:44:48
● 2020-03-02 23:49:06
○ 2026-06-11 07:30:18
○ 2026-06-17 19:54:44

○A198.49.23.1452015-12-13 → 2020-03-02 · 5 obs

○ 2015-11-03 05:48:42
● 2015-12-13 16:44:48
● 2020-03-02 23:49:06
○ 2026-06-11 07:30:18
○ 2026-06-17 19:54:44

○A203.86.232.1242015-06-23 → 2015-11-03 · 4 obs

● 2015-06-23 12:16:18
● 2015-11-03 05:48:42
○ 2015-12-13 16:44:48
○ 2026-06-17 19:54:44

●A23.227.38.652026-06-11 → 2026-06-17 · 3 obs

○ 2020-03-02 23:49:06
● 2026-06-11 07:30:18
● 2026-06-17 19:54:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
uk.com	ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net	-
castle.uk.com	ns37.domaincontrol.com, ns38.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.76.19

NS records: ns37.domaincontrol.com, ns38.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for castle.uk.com (unsigned zone)

⏱️ Timing

Total: 624ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.227.38.65`
NS	2	`ns37.domaincontrol.com, ns38.domaincontrol.com`
MX	3	`mx1.qiye.aliyun.com (pri: 5), mx2.qiye.aliyun.com (pri: 10)...`
TXT	1	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	1	`ns37.domaincontrol.com dns.jomax.net`

Analysis

IP Addresses

castle.uk.com resolves to one IP address: 23.227.38.65.

bashirsons1950.com, senditofficial.com, oactac.com and two other host names share IP numbers with castle.uk.com.

Name Servers

The NS records for castle.uk.com delegate to ns37.domaincontrol.com and ns38.domaincontrol.com.

castle.uk.com uses the same name servers as several other domains — among them healingtouch4animals.com, lucretiaramsey.com, rafital.com and two more.

ns37.domaincontrol.com resolves to 97.74.108.19 and 2603:5:21c1::13. Likewise, ns38.domaincontrol.com resolves to 173.201.76.19 and 2603:5:22c1::13 — two IP addresses apiece.