mail.openknowledgehub.org - robtex.com

mail.openknowledgehub.org

DNSSEC⚠️ Not signed
A2a01:4f8:192:301a::100🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmail.openknowledgehub.org
A144.76.95.18🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1

openknowledgehub.org

DNSSEC⚠️ Not signed
A144.76.95.21🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1
NShydrogen.ns.hetzner.com ⭐
NShelium.ns.hetzner.de
NSoxygen.ns.hetzner.com
MXmail.openknowledgehub.org ⭐
TXTv=spf1 mx a -all
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-04-27 #6

PTR for

18.95.76.144.in-addr.arpa
0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.a.1.0.3.2.9.1.0.8.f.4.0.1.0.a.2.ip6.arpa

MX for

openknowledgehub.org

Same first word

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DNS History

2 records (2 active, 0 former)

A144.76.95.182a01:4f8:192:301a::100
●A144.76.95.182026-04-27 → 2026-04-27 · 2 obs
● 2026-04-27 04:45:00
● 2026-04-27 19:32:22
●A2a01:4f8:192:301a::1002026-04-27 → 2026-04-27 · 2 obs
● 2026-04-27 04:45:00
● 2026-04-27 19:32:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
openknowledgehub.orghelium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com-

✅ Authoritative Response

Server:193.47.99.5

NS records: helium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openknowledgehub.org (unsigned zone)

⏱️ Timing

Total: 684ms | Queries: -

📄 Records

TypeCountSample Data
A1144.76.95.18
AAAA12a01:4f8:192:301a::100

Analysis

Mail Server Role

The mail server for openknowledgehub.org is mail.openknowledgehub.org.

IP Addresses

mail.openknowledgehub.org points to two IP numbers: 2a01:4f8:192:301a::100 and 144.76.95.18.

Other host names, for instance static.18.95.76.144.clients.your-server.de, share IP numbers with mail.openknowledgehub.org.