lernserver.com - robtex.com
lernserver.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.55.80.47🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC | ||||||
| PTR | xenon.lernserver.de | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.lernserver.com ⭐ | ||||||
| A | 162.55.80.47🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC | ||||||
| PTR | xenon.lernserver.de | ||||||
| TXT | OPE0056783 | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-02-11 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774836227 | ||||||
Subdomains
mail.lernserver.com |
Same first word
lernserver.at |
lernserver.de |
lernserver.com |
DNS History
9 records (5 active, 4 former)
○NSns1.bartels-schoene.de2008-03-19 → 2008-03-19 · 3 obs
○ 2015-07-21 05:02:24
○ 2026-03-30 02:04:22
○NSns1.dns-service.net2008-03-19 → 2008-03-19 · 3 obs
○ 2015-07-21 05:02:24
○ 2026-03-30 02:04:22
●NSns1.first-ns.de2015-07-21 → 2026-03-30 · 3 obs
● 2015-07-21 05:02:24
● 2026-03-30 02:04:22
●NSrobotns2.second-ns.de2015-07-21 → 2026-03-30 · 3 obs
● 2015-07-21 05:02:24
● 2026-03-30 02:04:22
●NSrobotns3.second-ns.com2015-07-21 → 2026-03-30 · 3 obs
● 2015-07-21 05:02:24
● 2026-03-30 02:04:22
●MXmail.lernserver.com2015-07-21 → 2026-03-30 · 3 obs
● 2015-07-21 05:02:24
● 2026-03-30 02:04:22
●A162.55.80.472026-03-30 → 2026-03-30 · 2 obs
● 2026-03-30 02:04:22
○A176.9.140.1472015-07-21 → 2017-03-22 · 4 obs
● 2015-07-21 05:02:24
● 2017-03-22 20:45:46
○ 2026-03-30 02:04:22
○A87.249.96.602008-03-19 → 2008-03-19 · 3 obs
○ 2015-07-21 05:02:24
○ 2026-03-30 02:04:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net... | - |
| lernserver.com | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | 2 records |
✅ Authoritative Response
Server:193.47.99.3
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lernserver.com (unsigned zone)
⏱️ Timing
Total: 1467ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.55.80.47 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.lernserver.com (pri: 10) |
| TXT | 1 | OPE0056783 |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)
Analysis
Hierarchy
lernserver.com is the parent of mail.lernserver.com.
IP Addresses
lernserver.com points to IP number 162.55.80.47.
For instance, other host names mail.ltwc.de, mail.lernserver.com, learninggrammar.de, www.diskuss.de and mail.diskuss.de share IP numbers with lernserver.com.
Name Servers
The delegation for lernserver.com is handled by three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
lernserver.com shares name servers with other domains at least partially, for example dorfblick-gerlos.at, awr-portal.de, xn--schler-nacht-flb.de, hotelcafeampark.de and architektursoftware.de.
Host names with two IPs:
robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3
ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238
robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103
Mail Servers
lernserver.com is handled by a single mail server, mail.lernserver.com.
mail.lernserver.com points to a single IP: 162.55.80.47.