liebig.schule - robtex.com
liebig.schule
schule
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.schule ⭐ | ||||||
| NS | v0n1.nic.schule | ||||||
| NS | v0n2.nic.schule | ||||||
| NS | v0n3.nic.schule | ||||||
| NS | v2n0.nic.schule | ||||||
| NS | v2n1.nic.schule | ||||||
| SOA | v0n0.nic.schulehostmaster@donuts.email serial=1786306470 | ||||||
MX for
liebig.schule |
Same first word
liebig.de |
liebig.biz |
liebig.cn |
liebig.at |
liebig.name |
liebig.fr |
liebig.be |
liebig.org |
liebig.tv |
liebig.ch |
liebig.github.io |
liebig.com |
liebig.schule |
Similar names
DNS History
7 records (7 active, 0 former)
●MXliebig.schule2026-04-05 → 2026-08-09 · 2 obs
● 2026-08-09 21:17:36
●A80.152.178.1412026-04-05 → 2026-08-09 · 2 obs
● 2026-08-09 21:17:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| schule | v0n0.nic.schule, v0n1.nic.schule, v0n2.nic.schule, v0n3.nic.schule... | 12 records |
| liebig.schule | ns4.iserv.eu, ns2.iserv.eu, ns1.iserv.eu, ns3.iserv.eu | - |
✅ Authoritative Response
Server:116.203.7.41
NS records: ns4.iserv.eu, ns2.iserv.eu, ns1.iserv.eu, ns3.iserv.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for liebig.schule (unsigned zone)
⏱️ Timing
Total: 816ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.152.178.141 |
| NS | 4 | ns3.iserv.eu, ns2.iserv.eu... |
| MX | 2 | liebig.schule (pri: 10), offline.iserv.eu (pri: 50) |
| TXT | 2 | v=spf1 a mx a:relay1.iserv.eu a:relay2.i, apple-domain-verification=wkD1Ooyo3fEZXf |
| SOA | 1 | ns1.iserv.eu hostmaster.iserv.eu |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.schule, v0n1.nic.schule, v0n2.nic.schule...)
Analysis
Mail Server Role
liebig.schule acts as its own mail server.
offline.iserv.eu is often seen acting as a mail server in combination with liebig.schule.
IP Addresses
liebig.schule points to a single IP number: 80.152.178.141.
Name Servers
liebig.schule has four authoritative name servers: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.
At least some of liebig.schule's name servers are shared with other domains, for example sandhorstschule.net, gym-bad-essen.de, pgs-portal.de and two more.
Four hostnames, each resolving to a pair of IP addresses: ns1.iserv.eu directs to 116.202.2.219 and 2a01:4f8:c01f:42::1; ns2.iserv.eu directs to 91.204.44.133 and 2a03:4000:20:19b::1; ns3.iserv.eu directs to 116.203.7.41 and 2a01:4f8:1c0c:8111::1; ns4.iserv.eu directs to 188.68.45.203 and 2a03:4000:20:19e::1.
Mail Servers
liebig.schule uses two mail servers, liebig.schule and offline.iserv.eu.
liebig.schule shares mail servers — at least in part — with other domains, including mauszentrum-gi.de, hfs-oehringen.de, lilo-ma.de and two others.
Host names with two IP numbers:
offline.iserv.eu has two IP addresses: 159.69.47.32 and 2a01:4f8:c2c:4863::1.
Host names pointing to a single IP address:
liebig.schule directs to 80.152.178.141.