1stclass.uk.com - robtex.com

1stclass.uk.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:b14🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:a50f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.11.20Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.165.15🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlennon.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ca5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennon.ns.cloudflare.com
A2803:f800:50::6ca2:c3a5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlennon.ns.cloudflare.com
A2a06:98c1:50::ac40:23a5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlennon.ns.cloudflare.com
A108.162.195.165🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennon.ns.cloudflare.com
A162.159.44.165Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennon.ns.cloudflare.com
A172.64.35.165🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennon.ns.cloudflare.com
NSsusan.ns.cloudflare.com
A2606:4700:50::a29f:26c7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsusan.ns.cloudflare.com
A2803:f800:50::6ca2:c2c7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsusan.ns.cloudflare.com
A2a06:98c1:50::ac40:22c7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsusan.ns.cloudflare.com
A108.162.194.199🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsusan.ns.cloudflare.com
A162.159.38.199Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsusan.ns.cloudflare.com
A172.64.34.199🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsusan.ns.cloudflare.com
MXd226231.a.ess.uk.barracudanetworks.com ⭐
A18.133.136.186🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix
PTRmail.ess.uk.barracuda.com
A18.133.136.187🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix
PTRmail.ess.uk.barracuda.com
A18.133.136.188🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix
PTRmail.ess.uk.barracuda.com
MXd226231.b.ess.uk.barracudanetworks.com(20)
A18.133.136.186🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix
PTRmail.ess.uk.barracuda.com
A18.133.136.187🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix
PTRmail.ess.uk.barracuda.com
A18.133.136.188🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix
PTRmail.ess.uk.barracuda.com
MX1stclass-uk-com.mail.protection.outlook.com(100)
A2a01:111:f403:ca0b::🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo2p265cu02300.inbound.protection.outlook.com
A2a01:111:f403:ca0b::2🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo0p265cu00202.inbound.protection.outlook.com
A2a01:111:f403:ca1a::🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cwxp265cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca1a::1🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cwxp265cu00601.inbound.protection.outlook.com
A52.101.89.0🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo2p265cu02300.inbound.protection.outlook.com
A52.101.89.1🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo0p265cu00201.inbound.protection.outlook.com
A52.101.89.2🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo3p265cu00302.inbound.protection.outlook.com
A52.101.99.0🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cwxp265cu00600.inbound.protection.outlook.com
TXTMS=ms25642467
TXT_zh4lvxck3ratchdnemvk8amfb2dadqq
TXTg4fsz4lxxrzv7072wlrm3f7h0br1mqr0
TXTgoogle-site-verification=8DXzO_sFLJYw0ZxvT2lJnBKwQbJW4AitWUG56mktnRE
TXTv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.11.20, 172.67.165.15
IPv62606:4700:3035::6815:b14, 2606:4700:3036::ac43:a50f
SOAlennon.ns.cloudflare.comdns@cloudflare.com serial=2398002890

uk.com

DNSSEC🔒 Signed (DS record present)
A54.153.56.183🇺🇸 Amazon54.153.0.0/17 EC2 SFO prefix
NSns0.centralnic.net ⭐
NSns1.centralnic.net
NSns2.centralnic.net
NSns3.centralnic.net
NSns4.centralnic.net
MXmx-01.emailme.com ⭐
TXTv=spf1 mx ?all
TXTgoogle-site-verification=2ksqnMFZRzSVeoDvahA-XF-O7i1zvMeNiF8Y9pOdWEs
SOAns0.centralnic.nethostmaster@centralnic.net serial=3000721938
WOT: UNKNOWN (82/100)
rank #178 globally
rank #117 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: #551
uk.com - Tranco Rank (30d: ↑+9)559560565570575576Jan 4Jan 13Jan 22Jan 31Feb 9Feb 10Rank#574#565

.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

TypeDetails
NameserversCentralNic (ns0-ns4.centralnic.net)
Web HostingAmazon AWS (US-West-1, EU-West-1)
Mail Servermx-01.emailme.com (CentralNic, UK)
DNSSECEnabled and validated
RegistryCentralNic
SupportGen.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

1stclass.net
1stclass.com.sa
1stclass.co.jp
1stclass.at
1stclass.uk.com
1stclass.immo
1stclass.co.in
1stclass.sk
1stclass.flights
1stclass.cn
1stclass.ca
1stclass.ltd
1stclass.com.vn
1stclass.tempurl.host

DNS History

26 records (9 active, 17 former)

20162017201820192020202120222023202420252026NSlennon.ns.cloudflare.comsusan.ns.cloudflare.comns0.centralnic-dns.comns1.centralnic-dns.comns1.instradns.comns2.centralnic-dns.comns2.instradns.comns3.centralnic-dns.comns3.instradns.comns4.centralnic-dns.comns5.centralnic-dns.comMX1stclass-uk-com.mail.protection.outlook.comd226231.a.ess.uk.barracudanetworks.comd226231.b.ess.uk.barracudanetworks.comarray1.theemaillaundry.netarray2.theemaillaundry.netmail.1stclass.uk.comA104.21.11.20172.67.165.152606:4700:3035::6815:b142606:4700:3036::ac43:a50f2606:4700:130:436c:6f75:6466:6c61:726577.68.15.18382.165.197.17487.106.65.239
○NS(root)2015-12-14 → 2016-03-24 · 5 obs
○ 2015-07-14 21:11:48
● 2015-12-14 01:48:02
● 2016-03-24 14:21:20
○ 2016-07-23 03:57:02
○ 2026-03-23 18:54:06
●NSlennon.ns.cloudflare.com2026-02-15 → 2026-03-23 · 3 obs
○ 2018-06-08 09:21:52
● 2026-02-15 11:32:20
● 2026-03-23 18:54:06
○NSns0.centralnic-dns.com2015-07-14 → 2016-12-26 · 7 obs
● 2015-07-14 21:11:48
○ 2015-12-14 01:48:02
○ 2016-03-24 14:21:20
● 2016-07-23 03:57:02
● 2016-12-26 11:59:22
○ 2018-06-08 09:21:52
○ 2026-03-23 18:54:06
○NSns1.centralnic-dns.com2015-07-14 → 2016-12-26 · 7 obs
● 2015-07-14 21:11:48
○ 2015-12-14 01:48:02
○ 2016-03-24 14:21:20
● 2016-07-23 03:57:02
● 2016-12-26 11:59:22
○ 2018-06-08 09:21:52
○ 2026-03-23 18:54:06
○NSns1.instradns.com2018-06-08 → 2018-06-08 · 4 obs
○ 2016-12-26 11:59:22
● 2018-06-08 09:21:52
○ 2026-02-15 11:32:20
○ 2026-03-23 18:54:06
○NSns2.centralnic-dns.com2015-07-14 → 2016-12-26 · 7 obs
● 2015-07-14 21:11:48
○ 2015-12-14 01:48:02
○ 2016-03-24 14:21:20
● 2016-07-23 03:57:02
● 2016-12-26 11:59:22
○ 2018-06-08 09:21:52
○ 2026-03-23 18:54:06
○NSns2.instradns.com2018-06-08 → 2018-06-08 · 4 obs
○ 2016-12-26 11:59:22
● 2018-06-08 09:21:52
○ 2026-02-15 11:32:20
○ 2026-03-23 18:54:06
○NSns3.centralnic-dns.com2015-07-14 → 2016-12-26 · 7 obs
● 2015-07-14 21:11:48
○ 2015-12-14 01:48:02
○ 2016-03-24 14:21:20
● 2016-07-23 03:57:02
● 2016-12-26 11:59:22
○ 2018-06-08 09:21:52
○ 2026-03-23 18:54:06
○NSns3.instradns.com2018-06-08 → 2018-06-08 · 4 obs
○ 2016-12-26 11:59:22
● 2018-06-08 09:21:52
○ 2026-02-15 11:32:20
○ 2026-03-23 18:54:06
○NSns4.centralnic-dns.com2015-07-14 → 2016-12-26 · 7 obs
● 2015-07-14 21:11:48
○ 2015-12-14 01:48:02
○ 2016-03-24 14:21:20
● 2016-07-23 03:57:02
● 2016-12-26 11:59:22
○ 2018-06-08 09:21:52
○ 2026-03-23 18:54:06
○NSns5.centralnic-dns.com2015-07-14 → 2016-12-26 · 7 obs
● 2015-07-14 21:11:48
○ 2015-12-14 01:48:02
○ 2016-03-24 14:21:20
● 2016-07-23 03:57:02
● 2016-12-26 11:59:22
○ 2018-06-08 09:21:52
○ 2026-03-23 18:54:06
●NSsusan.ns.cloudflare.com2026-02-15 → 2026-03-23 · 3 obs
○ 2018-06-08 09:21:52
● 2026-02-15 11:32:20
● 2026-03-23 18:54:06
●MX1stclass-uk-com.mail.protection.outlook.com2026-02-15 → 2026-03-23 · 3 obs
○ 2018-06-08 09:21:52
● 2026-02-15 11:32:20
● 2026-03-23 18:54:06
○MXarray1.theemaillaundry.net2018-06-08 → 2018-06-08 · 4 obs
○ 2016-12-26 11:59:22
● 2018-06-08 09:21:52
○ 2026-02-15 11:32:20
○ 2026-03-23 18:54:06
○MXarray2.theemaillaundry.net2018-06-08 → 2018-06-08 · 4 obs
○ 2016-12-26 11:59:22
● 2018-06-08 09:21:52
○ 2026-02-15 11:32:20
○ 2026-03-23 18:54:06
●MXd226231.a.ess.uk.barracudanetworks.com2026-02-15 → 2026-03-23 · 3 obs
○ 2018-06-08 09:21:52
● 2026-02-15 11:32:20
● 2026-03-23 18:54:06
●MXd226231.b.ess.uk.barracudanetworks.com2026-02-15 → 2026-03-23 · 3 obs
○ 2018-06-08 09:21:52
● 2026-02-15 11:32:20
● 2026-03-23 18:54:06
○MXmail.1stclass.uk.com2015-07-14 → 2016-12-26 · 4 obs
● 2015-07-14 21:11:48
● 2016-12-26 11:59:22
○ 2018-06-08 09:21:52
○ 2026-03-23 18:54:06
●A104.21.11.202026-02-15 → 2026-03-23 · 3 obs
○ 2018-06-08 09:21:52
● 2026-02-15 11:32:20
● 2026-03-23 18:54:06
●A172.67.165.152026-02-15 → 2026-03-23 · 3 obs
○ 2018-06-08 09:21:52
● 2026-02-15 11:32:20
● 2026-03-23 18:54:06
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-15 → 2026-03-15 · 3 obs
○ 2026-02-15 11:32:20
● 2026-03-15 22:31:08
○ 2026-03-23 18:54:06
●A2606:4700:3035::6815:b142026-02-15 → 2026-03-23 · 4 obs
○ 2018-06-08 09:21:52
● 2026-02-15 11:32:20
○ 2026-03-15 22:31:08
● 2026-03-23 18:54:06
●A2606:4700:3036::ac43:a50f2026-02-15 → 2026-03-23 · 4 obs
○ 2018-06-08 09:21:52
● 2026-02-15 11:32:20
○ 2026-03-15 22:31:08
● 2026-03-23 18:54:06
○A77.68.15.1832018-06-08 → 2018-06-08 · 4 obs
○ 2016-12-26 11:59:22
● 2018-06-08 09:21:52
○ 2026-02-15 11:32:20
○ 2026-03-23 18:54:06
○A82.165.197.1742016-12-26 → 2016-12-26 · 4 obs
○ 2016-07-23 03:57:02
● 2016-12-26 11:59:22
○ 2018-06-08 09:21:52
○ 2026-03-23 18:54:06
○A87.106.65.2392015-07-14 → 2016-07-23 · 4 obs
● 2015-07-14 21:11:48
● 2016-07-23 03:57:02
○ 2016-12-26 11:59:22
○ 2026-03-23 18:54:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
uk.comns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net-
1stclass.uk.comsusan.ns.cloudflare.com, lennon.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.199

NS records: susan.ns.cloudflare.com, lennon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1stclass.uk.com (unsigned zone)

⏱️ Timing

Total: 953ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.165.15, 104.21.11.20
AAAA22606:4700:3035::6815:b14, 2606:4700:3036::ac43:a50f
NS2lennon.ns.cloudflare.com, susan.ns.cloudflare.com
MX3d226231.a.ess.uk.barracudanetworks.com (, 1stclass-uk-com.mail.protection.outlook....
TXT5MS=ms25642467, _zh4lvxck3ratchdnemvk8amfb2dadqq...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1lennon.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

1stclass.uk.com maps to four IP numbers: 2606:4700:3035::6815:b14, 2606:4700:3036::ac43:a50f, 104.21.11.20 and 172.67.165.15.

other host names include bitwarsoft.com, plataformula.com, lvyou1688.cn, shydjz.com and radical-plum.com; they share IP numbers with 1stclass.uk.com.

Name Servers

Two name servers lennon.ns.cloudflare.com and susan.ns.cloudflare.com handle the delegation for 1stclass.uk.com.

1stclass.uk.com shares the same name server setup as other domains such as phanri.plus and tward.co.uk.

1stclass.uk.com at least partially shares name servers with other domains, for instance mimfa.net, maxsee.net, iqiancang.com, koutu.school.nz and petpark.sk.

These name servers are commonly used with the following: alina.ns.cloudflare.com, noel.ns.cloudflare.com, tate.ns.cloudflare.com and damon.ns.cloudflare.com.

Six IP addresses per host:

lennon.ns.cloudflare.com points to 2606:4700:58::a29f:2ca5, 2803:f800:50::6ca2:c3a5, 2a06:98c1:50::ac40:23a5, 108.162.195.165, 162.159.44.165 and 172.64.35.165; susan.ns.cloudflare.com points to 2606:4700:50::a29f:26c7, 2803:f800:50::6ca2:c2c7, 2a06:98c1:50::ac40:22c7, 108.162.194.199, 162.159.38.199 and 172.64.34.199

Mail Servers

Three mail servers handle 1stclass.uk.com: 1stclass-uk-com.mail.protection.outlook.com, d226231.a.ess.uk.barracudanetworks.com and d226231.b.ess.uk.barracudanetworks.com.

Host names with eight IP numbers:

Host 1stclass-uk-com.mail.protection.outlook.com points to: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::, 2a01:111:f403:ca1a::1, 52.101.89.0, 52.101.89.1, 52.101.89.2 and 52.101.99.0.

Host names with three IP numbers:

Host d226231.a.ess.uk.barracudanetworks.com points to: 18.133.136.186, 18.133.136.187 and 18.133.136.188.

Host d226231.b.ess.uk.barracudanetworks.com points to: 18.133.136.186, 18.133.136.187 and 18.133.136.188.

Host names that point to 18.133.136.186: d226231.a.ess.uk.barracudanetworks.com and d226231.b.ess.uk.barracudanetworks.com.

Host names that point to 18.133.136.187: d226231.a.ess.uk.barracudanetworks.com and d226231.b.ess.uk.barracudanetworks.com.

Host names that point to 18.133.136.188: d226231.a.ess.uk.barracudanetworks.com and d226231.b.ess.uk.barracudanetworks.com.