rkm.schule - robtex.com
rkm.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=1785924964 | ||||||
MX for
rkm.schule |
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●MXrkm.schule2026-07-15 → 2026-08-05 · 2 obs
● 2026-08-05 10:29:52
●A151.189.112.1662026-07-15 → 2026-08-05 · 2 obs
● 2026-08-05 10:29:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| schule | v0n2.nic.schule, v0n3.nic.schule, v0n0.nic.schule, v2n1.nic.schule... | 12 records |
| rkm.schule | ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu, ns4.iserv.eu | - |
✅ Authoritative Response
Server:116.203.7.41
NS records: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu, ns4.iserv.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rkm.schule (unsigned zone)
⏱️ Timing
Total: 998ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 151.189.112.166 |
| NS | 4 | ns2.iserv.eu, ns4.iserv.eu... |
| MX | 2 | rkm.schule (pri: 10), offline.iserv.eu (pri: 50) |
| TXT | 3 | v=spf1 a mx a:relay1.iserv.eu a:relay2.i, apple-domain-verification=AXAzwASYrS4QpL... |
| 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
rkm.schule is listed as a mail server for itself.
offline.iserv.eu is often seen acting as a mail server in combination with rkm.schule.
IP Addresses
rkm.schule resolves to one IP address: 151.189.112.166.
Name Servers
The authoritative name servers for rkm.schule are ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.
rkm.schule shares at least some of its name servers with other domains, including gym-hvg.de, dbrs-gf.de, hbs-walsrode.de and two others.
The host names ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu each resolve to two IP addresses: ns1.iserv.eu resolves to 116.202.2.219 and 2a01:4f8:c01f:42::1; ns2.iserv.eu resolves to 91.204.44.133 and 2a03:4000:20:19b::1; ns3.iserv.eu resolves to 116.203.7.41 and 2a01:4f8:1c0c:8111::1; ns4.iserv.eu resolves to 188.68.45.203 and 2a03:4000:20:19e::1.
Mail Servers
rkm.schule uses two mail servers, rkm.schule and offline.iserv.eu.
rkm.schule has at least partial mail server overlap with other domains such as panthi.de, ssb-e.de, johanneum-ldk.de and two more.
Hostnames that resolve to two IP addresses:
offline.iserv.eu has two IP addresses: 159.69.47.32 and 2a01:4f8:c2c:4863::1.
Hosts with just one IP address:
rkm.schule directs to 151.189.112.166.