learnforge.de - dns.ninja

learnforge.de

DNSSEC⚠️ Not signed
A91.99.13.137🇩🇪 Hetzner91.99.0.0/16 HETZNER-DC
PTRmail.learnforge.de
NShydrogen.ns.hetzner.com ⭐
A2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRhydrogen.ns.hetzner.com
A213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRhydrogen.ns.hetzner.com
NShelium.ns.hetzner.de
A2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRhelium.ns.hetzner.de
A193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRhelium.ns.hetzner.de
NSoxygen.ns.hetzner.com
A2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRoxygen.ns.hetzner.com
A88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRoxygen.ns.hetzner.com
MXmail.learnforge.de ⭐
A2a01:4f8:c014:db47::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmail.learnforge.de
A91.99.13.137🇩🇪 Hetzner91.99.0.0/16 HETZNER-DC
PTRmail.learnforge.de
TXTv=spf1 ip4:91.99.13.137 mx ~all
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-05-13 #3

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1782329836

Subdomains

mail.learnforge.de

Same first word

learnforge.net
learnforge.de
learnforge.org
learnforge.ca
learnforge.com

Similar names

greenflora.net
loganfreer.com
floragreen.net
leanfroger.com
greenflora.com
floragreen.co.uk
greenflora.com.br
floragreen.de

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NShelium.ns.hetzner.dehydrogen.ns.hetzner.comoxygen.ns.hetzner.comns.udag.dens.udag.netns.udag.orgns.udagdns.dens.udagdns.netMXmail.learnforge.demx20.learnforge.deA91.99.13.13778.46.125.89
●NShelium.ns.hetzner.de2026-03-24 → 2026-06-24 · 3 obs
○ 2016-08-08 05:23:28
● 2026-03-24 11:20:26
● 2026-06-24 19:39:52
●NShydrogen.ns.hetzner.com2026-03-24 → 2026-06-24 · 3 obs
○ 2016-08-08 05:23:28
● 2026-03-24 11:20:26
● 2026-06-24 19:39:52
○NSns.udag.de2015-11-10 → 2016-08-08 · 5 obs
○ 2015-06-29 17:56:50
● 2015-11-10 17:09:18
● 2016-08-08 05:23:28
○ 2026-03-24 11:20:26
○ 2026-06-24 19:39:52
○NSns.udag.net2015-11-10 → 2016-08-08 · 5 obs
○ 2015-06-29 17:56:50
● 2015-11-10 17:09:18
● 2016-08-08 05:23:28
○ 2026-03-24 11:20:26
○ 2026-06-24 19:39:52
○NSns.udag.org2015-11-10 → 2016-08-08 · 5 obs
○ 2015-06-29 17:56:50
● 2015-11-10 17:09:18
● 2016-08-08 05:23:28
○ 2026-03-24 11:20:26
○ 2026-06-24 19:39:52
○NSns.udagdns.de2015-06-29 → 2015-06-29 · 3 obs
● 2015-06-29 17:56:50
○ 2015-11-10 17:09:18
○ 2026-06-24 19:39:52
○NSns.udagdns.net2015-06-29 → 2015-06-29 · 3 obs
● 2015-06-29 17:56:50
○ 2015-11-10 17:09:18
○ 2026-06-24 19:39:52
●NSoxygen.ns.hetzner.com2026-03-24 → 2026-06-24 · 3 obs
○ 2016-08-08 05:23:28
● 2026-03-24 11:20:26
● 2026-06-24 19:39:52
●MXmail.learnforge.de2015-06-29 → 2026-06-24 · 2 obs
● 2015-06-29 17:56:50
● 2026-06-24 19:39:52
○MXmx20.learnforge.de2016-08-08 → 2016-08-08 · 4 obs
○ 2015-06-29 17:56:50
● 2016-08-08 05:23:28
○ 2026-03-24 11:20:26
○ 2026-06-24 19:39:52
○A78.46.125.892015-06-29 → 2016-08-08 · 4 obs
● 2015-06-29 17:56:50
● 2016-08-08 05:23:28
○ 2026-03-24 11:20:26
○ 2026-06-24 19:39:52
●A91.99.13.1372026-03-24 → 2026-06-24 · 3 obs
○ 2016-08-08 05:23:28
● 2026-03-24 11:20:26
● 2026-06-24 19:39:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
learnforge.dehelium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com-

✅ Authoritative Response

Server:88.198.229.192

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learnforge.de (unsigned zone)

⏱️ Timing

Total: 4137ms | Queries: -

📄 Records

TypeCountSample Data
A191.99.13.137
NS3oxygen.ns.hetzner.com, helium.ns.hetzner.de...
MX1mail.learnforge.de (pri: 10)
TXT1v=spf1 ip4:91.99.13.137 mx ~all
SOA1hydrogen.ns.hetzner.com dns.hetzner.com

Analysis

Hierarchy

mail.learnforge.de is delegated beneath learnforge.de.

IP Addresses

learnforge.de resolves to just one IP address, 91.99.13.137.

Other hosts including relay-in6.yukthi.net, static.137.13.99.91.clients.your-server.de and mail.learnforge.de share IP addresses with learnforge.de.

Name Servers

learnforge.de carries NS records delegating to hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

There is at least partial name server overlap between learnforge.de and other domains — xn--kltepfennig-l8a.de, le-is.de, siegfanz.de and two more among them.

The name servers ns1.first-ns.de, robotns3.second-ns.com and robotns2.second-ns.de are often found in combination with these name servers.

hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de are three hostnames that each resolve to a pair of IP addresses: hydrogen.ns.hetzner.com to 213.133.100.98 and 2a01:4f8:0:1::add:1098, oxygen.ns.hetzner.com to 88.198.229.192 and 2a01:4f8:0:1::add:2992, and helium.ns.hetzner.de to 193.47.99.5 and 2001:67c:192c::add:5.

Mail Servers

The sole mail server for learnforge.de is mail.learnforge.de.

Mail server setup for learnforge.de matches that of other domains, among them stoeffer.de.

mail.learnforge.de carries two IP numbers: 91.99.13.137 and 2a01:4f8:c014:db47::1.