checkpostcode.uk - dns.ninja

`checkpostcode.uk`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:2d32^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d1b6^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.50^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.182^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kip.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b80^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c180^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kip.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2180^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kip.ns.cloudflare.com`
		A	108.162.193.128^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
		A	172.64.33.128^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
		A	173.245.59.128^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
NS	`may.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a87^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`may.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c087^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`may.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2087^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`may.ns.cloudflare.com`
		A	108.162.192.135^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`may.ns.cloudflare.com`
		A	172.64.32.135^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`may.ns.cloudflare.com`
		A	173.245.58.135^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`may.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁴⁶⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁸⁶⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`ahrefs-site-verification_d3e09a0e99b1e7c0dae46bfd3815649d18cc65d4123dd8ee269c...`
TXT	`google-site-verification=W6tTRfzsWPCoc7vB1CgLkScKGeaaCCl78ei0zBnjjBY`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.45.50, 172.67.209.182
		IPv6 hints	2606:4700:3033::6815:2d32, 2606:4700:3035::ac43:d1b6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=132, name=cloudflare-ech.com
SOA	`kip.ns.cloudflare.com`dns@cloudflare.com serial=2409371405

`uk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns1.nic.uk` ⭐
	NS	`dns2.nic.uk`
	NS	`dns3.nic.uk`
	NS	`dns4.nic.uk`
	NS	`nsa.nic.uk`
	NS	`nsb.nic.uk`
	NS	`nsc.nic.uk`
	NS	`nsd.nic.uk`
	SOA	`dns1.nic.uk`hostmaster@nic.uk serial=1785687087

📈 Tranco rank: #675,928

Subdomains

www.checkpostcode.uk

Same first word

checkpostcode.uk

checkpostcode.com

Similar names

postcodecheck.nl

postcodecheck.com

DNS History

11 records (9 active, 2 former)

●NSkip.ns.cloudflare.com2026-02-22 → 2026-08-02 · 2 obs

● 2026-02-22 01:56:50
● 2026-08-02 16:46:40

●NSmay.ns.cloudflare.com2026-02-22 → 2026-08-02 · 2 obs

● 2026-02-22 01:56:50
● 2026-08-02 16:46:40

●MXroute1.mx.cloudflare.net2026-02-22 → 2026-08-02 · 2 obs

● 2026-02-22 01:56:50
● 2026-08-02 16:46:40

●MXroute2.mx.cloudflare.net2026-02-22 → 2026-08-02 · 2 obs

● 2026-02-22 01:56:50
● 2026-08-02 16:46:40

●MXroute3.mx.cloudflare.net2026-02-22 → 2026-08-02 · 2 obs

● 2026-02-22 01:56:50
● 2026-08-02 16:46:40

●A104.21.45.502026-02-22 → 2026-08-02 · 2 obs

● 2026-02-22 01:56:50
● 2026-08-02 16:46:40

●A172.67.209.1822026-02-22 → 2026-08-02 · 2 obs

● 2026-02-22 01:56:50
● 2026-08-02 16:46:40

●A2606:4700:3033::6815:2d322026-07-15 → 2026-08-02 · 3 obs

○ 2026-06-13 23:22:16
● 2026-07-15 02:44:28
● 2026-08-02 16:46:40

●A2606:4700:3035::ac43:d1b62026-07-15 → 2026-08-02 · 3 obs

○ 2026-06-13 23:22:16
● 2026-07-15 02:44:28
● 2026-08-02 16:46:40

○A2606:4700:3036::6815:2d322026-02-22 → 2026-06-13 · 4 obs

● 2026-02-22 01:56:50
● 2026-06-13 23:22:16
○ 2026-07-15 02:44:28
○ 2026-08-02 16:46:40

○A2606:4700:3037::ac43:d1b62026-02-22 → 2026-06-13 · 4 obs

● 2026-02-22 01:56:50
● 2026-06-13 23:22:16
○ 2026-07-15 02:44:28
○ 2026-08-02 16:46:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
checkpostcode.uk	kip.ns.cloudflare.com, may.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.128

NS records: kip.ns.cloudflare.com, may.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkpostcode.uk (unsigned zone)

⏱️ Timing

Total: 437ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.45.50, 172.67.209.182`
AAAA	2	`2606:4700:3035::ac43:d1b6, 2606:4700:3033::6815:2d32`
NS	2	`kip.ns.cloudflare.com, may.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 42), route3.mx.cloudflare.net (pri: 46)...`
TXT	3	`ahrefs-site-verification_d3e09a0e99b1e7c, google-site-verification=W6tTRfzsWPCoc7v...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kip.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

checkpostcode.uk is a parent domain of www.checkpostcode.uk.

IP Addresses

checkpostcode.uk has four IP addresses: 104.21.45.50, 172.67.209.182, 2606:4700:3033::6815:2d32 and 2606:4700:3035::ac43:d1b6.

connexio.solutions, shadesmart.org.au, madetomeasuremats.com and two other host names share IP numbers with checkpostcode.uk.

Name Servers

checkpostcode.uk has two authoritative name servers — kip.ns.cloudflare.com and may.ns.cloudflare.com.

checkpostcode.uk uses the same name servers as several other domains — among them tmmotiongh.com, motorcyclepowersportsnews.com, abvars.org and two more.

checkpostcode.uk shares at least some of its name servers with other domains, including vuongluan.vn, bookmarkingvictor.win, fastpayoutcasinosonlineaus.com and two others.

These name servers are frequently paired with the name servers jill.ns.cloudflare.com and ryleigh.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

kip.ns.cloudflare.com points to 108.162.193.128, 172.64.33.128, 173.245.59.128 and 3 other IP addresses.

may.ns.cloudflare.com points to 108.162.192.135, 172.64.32.135, 173.245.58.135 and 3 other IP addresses.

Mail Servers

checkpostcode.uk is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

checkpostcode.uk has at least partial mail server overlap with other domains such as crunchreston.com, fiskehandler.dk, charliestr.com and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.