jpn.postcodelist.com - robtex.com

jpn.postcodelist.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9d62🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:5957🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.89.87Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.157.98🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.89.87, 172.67.157.98
IPv6 hints2606:4700:3031::ac43:9d62, 2606:4700:3034::6815:5957
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com

postcodelist.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9d62🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:5957🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.89.87Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.157.98🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrianna.ns.cloudflare.com ⭐
NSbrodie.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.89.87, 172.67.157.98
IPv6 hints2606:4700:3031::ac43:9d62, 2606:4700:3034::6815:5957
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOAbrianna.ns.cloudflare.comdns@cloudflare.com serial=2410439289
📈 Tranco rank: #152,527

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DNS History

6 records (4 active, 2 former)

A104.21.89.87172.67.157.982606:4700:3031::ac43:9d622606:4700:3034::6815:59572606:4700:3030::ac43:9d622606:4700:3032::6815:5957
●A104.21.89.872026-05-06 → 2026-07-31 · 2 obs
● 2026-05-06 21:21:38
● 2026-07-31 07:23:08
●A172.67.157.982026-05-06 → 2026-07-31 · 2 obs
● 2026-05-06 21:21:38
● 2026-07-31 07:23:08
○A2606:4700:3030::ac43:9d622026-05-06 → 2026-05-25 · 4 obs
● 2026-05-06 21:21:38
● 2026-05-25 01:36:54
○ 2026-06-20 06:43:46
○ 2026-07-31 07:23:08
●A2606:4700:3031::ac43:9d622026-06-20 → 2026-07-31 · 3 obs
○ 2026-05-25 01:36:54
● 2026-06-20 06:43:46
● 2026-07-31 07:23:08
○A2606:4700:3032::6815:59572026-05-06 → 2026-05-25 · 4 obs
● 2026-05-06 21:21:38
● 2026-05-25 01:36:54
○ 2026-06-20 06:43:46
○ 2026-07-31 07:23:08
●A2606:4700:3034::6815:59572026-06-20 → 2026-07-31 · 3 obs
○ 2026-05-25 01:36:54
● 2026-06-20 06:43:46
● 2026-07-31 07:23:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
postcodelist.combrianna.ns.cloudflare.com, brodie.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.237

NS records: brianna.ns.cloudflare.com, brodie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postcodelist.com (unsigned zone)

⏱️ Timing

Total: 172ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.157.98, 104.21.89.87
AAAA22606:4700:3034::6815:5957, 2606:4700:3031::ac43:9d62
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

jpn.postcodelist.com resolves to four IP addresses: 104.21.89.87, 172.67.157.98, 2606:4700:3031::ac43:9d62 and 2606:4700:3034::6815:5957.

casino711-nederland.nl, naijanote.com, satisfactory-calculator.com and two other host names share IP numbers with jpn.postcodelist.com.