www.postoffice2.com - robtex.com

www.postoffice2.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:18e2🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:dce3🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.24.226Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.220.227🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.24.226, 172.67.220.227
IPv6 hints2606:4700:3031::6815:18e2, 2606:4700:3037::ac43:dce3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=247, name=cloudflare-ech.com

postoffice2.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:18e2🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:dce3🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.24.226Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.220.227🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjerry.ns.cloudflare.com ⭐
NSsarah.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
MXroute1.mx.cloudflare.net(70)
MXroute3.mx.cloudflare.net(73)
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.24.226, 172.67.220.227
IPv6 hints2606:4700:3031::6815:18e2, 2606:4700:3037::ac43:dce3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=247, name=cloudflare-ech.com
SOAjerry.ns.cloudflare.comdns@cloudflare.com serial=2397941129

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DNS History

8 records (4 active, 4 former)

A104.21.24.226172.67.220.2272606:4700:3031::6815:18e22606:4700:3037::ac43:dce3188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●A104.21.24.2262026-03-18 → 2026-04-26 · 4 obs
● 2026-03-18 20:57:30
○ 2026-03-27 09:04:58
● 2026-04-13 10:04:12
● 2026-04-26 14:59:42
●A172.67.220.2272026-03-18 → 2026-04-26 · 4 obs
● 2026-03-18 20:57:30
○ 2026-03-27 09:04:58
● 2026-04-13 10:04:12
● 2026-04-26 14:59:42
○A188.114.96.02026-03-27 → 2026-03-27 · 4 obs
○ 2026-03-18 20:57:30
● 2026-03-27 09:04:58
○ 2026-04-13 10:04:12
○ 2026-04-26 14:59:42
○A188.114.97.02026-03-27 → 2026-03-27 · 4 obs
○ 2026-03-18 20:57:30
● 2026-03-27 09:04:58
○ 2026-04-13 10:04:12
○ 2026-04-26 14:59:42
●A2606:4700:3031::6815:18e22026-03-18 → 2026-04-26 · 4 obs
● 2026-03-18 20:57:30
○ 2026-03-27 09:04:58
● 2026-04-13 10:04:12
● 2026-04-26 14:59:42
●A2606:4700:3037::ac43:dce32026-03-18 → 2026-04-26 · 4 obs
● 2026-03-18 20:57:30
○ 2026-03-27 09:04:58
● 2026-04-13 10:04:12
● 2026-04-26 14:59:42
○A2a06:98c1:3120::2026-03-27 → 2026-03-27 · 4 obs
○ 2026-03-18 20:57:30
● 2026-03-27 09:04:58
○ 2026-04-13 10:04:12
○ 2026-04-26 14:59:42
○A2a06:98c1:3121::2026-03-27 → 2026-03-27 · 4 obs
○ 2026-03-18 20:57:30
● 2026-03-27 09:04:58
○ 2026-04-13 10:04:12
○ 2026-04-26 14:59:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
postoffice2.comjerry.ns.cloudflare.com, sarah.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.182

NS records: jerry.ns.cloudflare.com, sarah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postoffice2.com (unsigned zone)

⏱️ Timing

Total: 248ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.220.227, 104.21.24.226
AAAA22606:4700:3031::6815:18e2, 2606:4700:3037::ac43:dce3
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.postoffice2.com points to four IP numbers: 2606:4700:3031::6815:18e2, 2606:4700:3037::ac43:dce3, 104.21.24.226 and 172.67.220.227.

Other host names, for instance jinxiangyu99.com, toolminer.com, www.sundays-mouth.co.za, constantarentacar.ro and huchteman.com share IP numbers with www.postoffice2.com.