mail.pkuboard.info - robtex.com

mail.pkuboard.info

DNSSEC⚠️ Not signed
A188.40.29.232🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1
PTRdedi9252.your-server.de

pkuboard.info

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8420🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:488🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.136Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.32🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrodie.ns.cloudflare.com ⭐
NSdanica.ns.cloudflare.com
MXmail.pkuboard.info ⭐
TXTv=spf1 a mx -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.136, 172.67.132.32
IPv6 hints2606:4700:3031::ac43:8420, 2606:4700:3034::6815:488
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=111, name=cloudflare-ech.com
SOAbrodie.ns.cloudflare.comdns@cloudflare.com serial=2399236466
WOT: SAFE (61/100)
WOT: SAFE (67/100)

MX for

pkuboard.info

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A188.40.29.23278.46.10.48
●A188.40.29.2322026-04-29 → 2026-05-01 · 3 obs
○ 2016-04-28 08:13:36
● 2026-04-29 01:11:56
● 2026-05-01 22:23:34
○A78.46.10.482015-07-07 → 2016-04-28 · 4 obs
● 2015-07-07 00:23:04
● 2016-04-28 08:13:36
○ 2026-04-29 01:11:56
○ 2026-05-01 22:23:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
infoc0.info.afilias-nst.info, a0.info.afilias-nst.info, a2.info.afilias-nst.info-
pkuboard.infobrodie.ns.cloudflare.com, danica.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.237

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pkuboard.info (unsigned zone)

⏱️ Timing

Total: 872ms | Queries: -

📄 Records

TypeCountSample Data
A1188.40.29.232

Analysis

Mail Server Role

mail.pkuboard.info functions as a mail server for pkuboard.info.

IP Addresses

mail.pkuboard.info resolves to one IP number: 188.40.29.232.

Other host names, for instance static.232.29.40.188.clients.your-server.de, mail.pku.at, mail.whag.at and mail.hammerschmidt.email share IP numbers with mail.pkuboard.info.