🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`ut.postcodebase.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:2a7^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:3a7^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4b96^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.2.167^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.3.167^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.75.150^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.26.2.167, 104.26.3.167, 172.67.75.150
		IPv6 hints	2606:4700:20::681a:2a7, 2606:4700:20::681a:3a7, 2606:4700:20::ac43:4b96

`postcodebase.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:2a7^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:3a7^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4b96^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.2.167^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.3.167^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.75.150^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`terin.ns.cloudflare.com` ⭐
NS	`ursula.ns.cloudflare.com`
MX	`linda.mx.cloudflare.net` ⭐
MX	`isaac.mx.cloudflare.net`⁽³⁹⁾
MX	`amir.mx.cloudflare.net`⁽⁵¹⁾
TXT	`google-site-verification=Q3fNqIMe6L6pE3UckSUvoI5yyG5gwp7oU0hsqSQ3NqY`
TXT	`openai-domain-verification=dv-WFX8xMul1HvwxcoagLkXdpAd`
TXT	`v=spf1 ip4:47.88.10.57 ip4:47.88.2.74 include:_spf.mx.cloudflare.net include:...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.26.2.167, 104.26.3.167, 172.67.75.150
		IPv6 hints	2606:4700:20::681a:2a7, 2606:4700:20::681a:3a7, 2606:4700:20::ac43:4b96
SOA	`terin.ns.cloudflare.com`dns@cloudflare.com serial=2415849936

rank #234169 globally
rank #98216 in the tld
📈 Tranco rank: #25,243

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DNS History

6 records (6 active, 0 former)

●A104.26.2.1672026-03-23 → 2026-10-05 · 2 obs

● 2026-03-23 19:56:36
● 2026-10-05 18:57:56

●A104.26.3.1672026-03-23 → 2026-10-05 · 2 obs

● 2026-03-23 19:56:36
● 2026-10-05 18:57:56

●A172.67.75.1502026-03-23 → 2026-10-05 · 2 obs

● 2026-03-23 19:56:36
● 2026-10-05 18:57:56

●A2606:4700:20::681a:2a72026-03-23 → 2026-10-05 · 2 obs

● 2026-03-23 19:56:36
● 2026-10-05 18:57:56

●A2606:4700:20::681a:3a72026-03-23 → 2026-10-05 · 2 obs

● 2026-03-23 19:56:36
● 2026-10-05 18:57:56

●A2606:4700:20::ac43:4b962026-03-23 → 2026-10-05 · 2 obs

● 2026-03-23 19:56:36
● 2026-10-05 18:57:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
postcodebase.com	terin.ns.cloudflare.com, ursula.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:172.64.34.191

NS records: terin.ns.cloudflare.com, ursula.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`172.67.75.150, 104.26.2.167...`
AAAA	3	`2606:4700:20::681a:2a7, 2606:4700:20::681a:3a7...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ut.postcodebase.com points to 6 IP addresses, including 104.26.2.167, 104.26.3.167 and 172.67.75.150, plus 3 other.

biblio.com.au, tx.postcodebase.com, nc.postcodebase.com plus two other host names have IP numbers in common with ut.postcodebase.com.

ut.postcodebase.com - robtex.com