mail.postdoc.network - robtex.com

mail.postdoc.network

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:4685🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:dfcd🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.133Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.205🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.133, 172.67.223.205
IPv6 hints2606:4700:3035::6815:4685, 2606:4700:3037::ac43:dfcd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com

postdoc.network

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:4685🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:dfcd🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.133Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.205🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSliz.ns.cloudflare.com ⭐
NSvern.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.133, 172.67.223.205
IPv6 hints2606:4700:3035::6815:4685, 2606:4700:3037::ac43:dfcd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOAliz.ns.cloudflare.comdns@cloudflare.com serial=2401110586

Previously MX for

postdoc.network

Same first word

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DNS History

5 records (4 active, 1 former)

201820192020202120222023202420252026A104.21.70.133172.67.223.2052606:4700:3035::6815:46852606:4700:3037::ac43:dfcd142.54.165.34
●A104.21.70.1332026-03-17 → 2026-04-15 · 3 obs
○ 2017-07-09 10:10:18
● 2026-03-17 08:52:56
● 2026-04-15 12:03:36
○A142.54.165.342017-07-09 → 2017-07-09 · 3 obs
● 2017-07-09 10:10:18
○ 2026-03-17 08:52:56
○ 2026-04-15 12:03:36
●A172.67.223.2052026-03-17 → 2026-04-15 · 3 obs
○ 2017-07-09 10:10:18
● 2026-03-17 08:52:56
● 2026-04-15 12:03:36
●A2606:4700:3035::6815:46852026-03-17 → 2026-04-15 · 3 obs
○ 2017-07-09 10:10:18
● 2026-03-17 08:52:56
● 2026-04-15 12:03:36
●A2606:4700:3037::ac43:dfcd2026-03-17 → 2026-04-15 · 3 obs
○ 2017-07-09 10:10:18
● 2026-03-17 08:52:56
● 2026-04-15 12:03:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
networkv0n1.nic.network, v0n3.nic.network, v2n1.nic.network, v0n0.nic.network...12 records
postdoc.networkliz.ns.cloudflare.com, vern.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.243

NS records: liz.ns.cloudflare.com, vern.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postdoc.network (unsigned zone)

⏱️ Timing

Total: 316ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.223.205, 104.21.70.133
AAAA22606:4700:3035::6815:4685, 2606:4700:3037::ac43:dfcd
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n1.nic.network, v0n1.nic.network, v0n3.nic.network...)

Analysis

IP Addresses

Four IP numbers are pointed to by mail.postdoc.network: 2606:4700:3035::6815:4685, 2606:4700:3037::ac43:dfcd, 104.21.70.133 and 172.67.223.205.

other host names including reoccurhub.digital, ns2.hex.net.pl, cn-epj-whatsapp.hl.cn, www.dadu44.fun and js1software.net share IP numbers with mail.postdoc.network.