f3-online.org - robtex.com
f3-online.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 88.198.6.61🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | zoidberg.org | ||||||
| NS | ns2.heapsort.de ⭐ | ||||||
| A | 49.12.96.103🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | static.103.96.12.49.clients.your-server.de | ||||||
| NS | ns.heapsort.de | ||||||
| A | 88.198.6.61🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | zoidberg.org | ||||||
| MX | mx4.heapsort.de ⭐ | ||||||
| A | 78.47.255.35🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | rc.zoidberg.org | ||||||
| MX | mail.datenreichtum.cloud(11) | ||||||
| A | 78.47.255.38🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | gw.datenreichtum.cloud | ||||||
| MX | mx5.heapsort.de(99) | ||||||
| A | 78.47.255.36🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | we.have.lowlatency.de | ||||||
| TXT | v=spf1; include:_spf.datenreichtum.cloud ~all | ||||||
| SOA | ns.heapsort.dejast@heapsort.de 2022-02-15 #13 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1778679693 | ||||||
Same first word
f3-online.org |
Similar names
DNS History
10 records (6 active, 4 former)
●NSns.heapsort.de2015-06-16 → 2026-05-13 · 2 obs
● 2026-05-13 14:06:18
●NSns2.heapsort.de2015-06-16 → 2026-05-13 · 2 obs
● 2026-05-13 14:06:18
○NSns3.heapsort.de2015-06-16 → 2015-11-05 · 4 obs
● 2015-11-05 03:01:28
○ 2016-02-02 08:18:40
○ 2026-05-13 14:06:18
○MXalt1.aspmx.l.google.com2015-06-16 → 2020-01-28 · 4 obs
● 2020-01-28 22:00:46
○ 2026-03-25 20:23:34
○ 2026-05-13 14:06:18
○MXaspmx.l.google.com2015-06-16 → 2020-01-28 · 4 obs
● 2020-01-28 22:00:46
○ 2026-03-25 20:23:34
○ 2026-05-13 14:06:18
○MXaspmx2.googlemail.com2015-06-16 → 2020-01-28 · 4 obs
● 2020-01-28 22:00:46
○ 2026-03-25 20:23:34
○ 2026-05-13 14:06:18
●MXmail.datenreichtum.cloud2026-03-25 → 2026-05-13 · 3 obs
● 2026-03-25 20:23:34
● 2026-05-13 14:06:18
●MXmx4.heapsort.de2026-03-25 → 2026-05-13 · 3 obs
● 2026-03-25 20:23:34
● 2026-05-13 14:06:18
●MXmx5.heapsort.de2026-03-25 → 2026-05-13 · 3 obs
● 2026-03-25 20:23:34
● 2026-05-13 14:06:18
●A88.198.6.612015-06-16 → 2026-05-13 · 2 obs
● 2026-05-13 14:06:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| f3-online.org | ns2.heapsort.de, ns.heapsort.de | - |
✅ Authoritative Response
Server:88.198.6.61
NS records: ns2.heapsort.de, ns.heapsort.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for f3-online.org (unsigned zone)
⏱️ Timing
Total: 2136ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.198.6.61 |
| NS | 2 | ns2.heapsort.de, ns.heapsort.de |
| MX | 3 | mx4.heapsort.de (pri: 10), mx5.heapsort.de (pri: 99)... |
| TXT | 1 | v=spf1; include:_spf.datenreichtum.cloud |
| SOA | 1 | ns.heapsort.de jast.heapsort.de |
Analysis
IP Addresses
f3-online.org points to an IP address: 88.198.6.61.
other host names include gitrecipes.de, music-jk.net, mail.music-jk.net, heapsort.de and datenreichtum.cloud; they share IP numbers with f3-online.org.
Name Servers
Two name servers ns2.heapsort.de and ns.heapsort.de handle the delegation for f3-online.org.
f3-online.org shares the same name server setup as other domains, for instance computerwald.de, sascha-walper.de, sunshine-chor.de, gitrecipes.de and music-jk.net.
Host names with one IP:
ns2.heapsort.de points to: 49.12.96.103
ns.heapsort.de points to: 88.198.6.61
Mail Servers
Three mail servers handle f3-online.org: mail.datenreichtum.cloud, mx4.heapsort.de and mx5.heapsort.de.
f3-online.org shares at least partially some mail servers with other domains, for instance sascha-walper.de, jk.gs, gitrecipes.de, music-jk.net and heapsort.de.
These mail servers are often used together with mail2.heapsort.de, gw.datenreichtum.cloud, mail.sascha-walper.de, mail.zoidberg.org and mail.gitrecipes.de.
Host names with one IP:
mail.datenreichtum.cloud points to 78.47.255.38; mx4.heapsort.de points to 78.47.255.35; mx5.heapsort.de points to 78.47.255.36.