🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`postcodebyaddress.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:1dac^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:958c^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.29.172^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.149.140^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`major.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bf1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`major.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`major.ns.cloudflare.com`
		A	108.162.193.241^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	172.64.33.241^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	173.245.59.241^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
NS	`vita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vita.ns.cloudflare.com`
		A	108.162.192.238^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	172.64.32.238^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	173.245.58.238^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.21.29.172, 172.67.149.140
		IPv6 hints	2606:4700:3033::6815:1dac, 2606:4700:3037::ac43:958c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=10, name=cloudflare-ech.com
SOA	`major.ns.cloudflare.com`dns@cloudflare.com serial=2414762727

`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=1791153254

Same first word

postcodebyaddress.co.uk

postcodebyaddress.com

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSmajor.ns.cloudflare.com2026-09-07 → 2026-10-04 · 2 obs

● 2026-09-07 10:14:22
● 2026-10-04 23:03:12

●NSvita.ns.cloudflare.com2026-09-07 → 2026-10-04 · 2 obs

● 2026-09-07 10:14:22
● 2026-10-04 23:03:12

●A104.21.29.1722026-09-07 → 2026-10-04 · 2 obs

● 2026-09-07 10:14:22
● 2026-10-04 23:03:12

●A172.67.149.1402026-09-07 → 2026-10-04 · 2 obs

● 2026-09-07 10:14:22
● 2026-10-04 23:03:12

●A2606:4700:3033::6815:1dac2026-09-07 → 2026-10-04 · 2 obs

● 2026-09-07 10:14:22
● 2026-10-04 23:03:12

●A2606:4700:3037::ac43:958c2026-09-07 → 2026-10-04 · 2 obs

● 2026-09-07 10:14:22
● 2026-10-04 23:03:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net...	-
postcodebyaddress.com	vita.ns.cloudflare.com, major.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.238

NS records: vita.ns.cloudflare.com, major.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 678ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.29.172, 172.67.149.140`
AAAA	2	`2606:4700:3033::6815:1dac, 2606:4700:3037::ac43:958c`
NS	2	`major.ns.cloudflare.com, vita.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`major.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (vita.ns.cloudflare.com, vita.ns.cloudflare.com, vita.ns.cloudflare.com...)

Analysis

IP Addresses

postcodebyaddress.com directs to four IP numbers, which are 104.21.29.172, 172.67.149.140, 2606:4700:3033::6815:1dac and 2606:4700:3037::ac43:958c.

domareliquos.com, edscarcare.biz, villazaz.com plus two other host names have IP numbers in common with postcodebyaddress.com.

Name Servers

postcodebyaddress.com uses two name servers for its delegation: major.ns.cloudflare.com and vita.ns.cloudflare.com.

The name server configuration of postcodebyaddress.com is shared with other domains, for instance freepatternsarea.workers.dev, avaxavatar.com, hotgirls-select.com and two others.

The name servers of postcodebyaddress.com overlap at least partially with those of other domains — among them 36win.us.com, vzatz.com, hg252ff.com and two more.

These name servers commonly appear alongside the name servers dora.ns.cloudflare.com and jade.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname major.ns.cloudflare.com directs to 108.162.193.241, 172.64.33.241 and 173.245.59.241 along with 3 other IP addresses.

Hostname vita.ns.cloudflare.com directs to 108.162.192.238, 172.64.32.238 and 173.245.58.238 along with 3 other IP addresses.

postcodebyaddress.com - robtex.com