schulserver.de - dns.ninja
schulserver.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1786222004 | ||||||
rank #37288 in the tld
📈 Tranco rank: #45,554
MX for
schulserver.de |
Subdomains
Same first word
DNS History
12 records (8 active, 4 former)
●NSns3.iserv.eu2016-12-11 → 2026-08-08 · 3 obs
● 2016-12-11 06:40:46
● 2026-08-08 20:47:34
●NSns4.iserv.eu2026-02-18 → 2026-08-08 · 3 obs
● 2026-02-18 20:56:04
● 2026-08-08 20:47:34
●MXschulserver.de2015-06-25 → 2026-08-08 · 2 obs
● 2026-08-08 20:47:34
●A116.203.134.1792026-02-18 → 2026-08-08 · 3 obs
● 2026-02-18 20:56:04
● 2026-08-08 20:47:34
○A136.243.213.1242017-06-29 → 2017-06-29 · 4 obs
● 2017-06-29 09:29:54
○ 2026-02-18 20:56:04
○ 2026-08-08 20:47:34
○A136.243.213.992016-12-11 → 2016-12-11 · 4 obs
● 2016-12-11 06:40:46
○ 2017-06-29 09:29:54
○ 2026-08-08 20:47:34
○A2a01:4f8:192:7388::1242017-06-29 → 2017-06-29 · 4 obs
● 2017-06-29 09:29:54
○ 2026-02-18 20:56:04
○ 2026-08-08 20:47:34
●A2a01:4f8:c2c:2834::12026-02-18 → 2026-08-08 · 3 obs
● 2026-02-18 20:56:04
● 2026-08-08 20:47:34
○A5.9.186.452015-06-25 → 2016-04-26 · 4 obs
● 2016-04-26 02:19:18
○ 2016-12-11 06:40:46
○ 2026-08-08 20:47:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| schulserver.de | ns2.iserv.eu, ns4.iserv.eu, ns1.iserv.eu, ns3.iserv.eu | - |
✅ Authoritative Response
Server:116.203.7.41
NS records: ns2.iserv.eu, ns4.iserv.eu, ns1.iserv.eu, ns3.iserv.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for schulserver.de (unsigned zone)
⏱️ Timing
Total: 1813ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 116.203.134.179 |
| AAAA | 1 | 2a01:4f8:c2c:2834::1 |
| NS | 4 | ns1.iserv.eu, ns4.iserv.eu... |
| MX | 2 | offline.iserv.eu (pri: 50), schulserver.de (pri: 10) |
| TXT | 2 | v=spf1 a mx a:relay1.iserv.eu a:relay2.i, apple-domain-verification=cz3o62yE5UHUTf |
| SOA | 1 | ns1.iserv.eu hostmaster.iserv.eu |
Analysis
Hierarchy
The parent domain of woboge.schulserver.de and iserv.schulserver.de is schulserver.de.
Mail Server Role
The MX record for schulserver.de points back to schulserver.de — it is its own mail server.
offline.iserv.eu is often seen acting as a mail server in combination with schulserver.de.
IP Addresses
schulserver.de directs to two IP numbers, 116.203.134.179 and 2a01:4f8:c2c:2834::1
iserv.schulserver.de and static.179.134.203.116.clients.your-server.de, along with other host names, share IP addresses with schulserver.de.
Name Servers
The domain schulserver.de is delegated to these four name servers: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.
schulserver.de partially shares its NS delegation with several other domains, including bbs-ammerland.eu, pggv.de, sothenbergschule-basa.de and two others.
ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu each carry two IP addresses. ns1.iserv.eu has 116.202.2.219 and 2a01:4f8:c01f:42::1; ns2.iserv.eu has 91.204.44.133 and 2a03:4000:20:19b::1; ns3.iserv.eu has 116.203.7.41 and 2a01:4f8:1c0c:8111::1; ns4.iserv.eu has 188.68.45.203 and 2a03:4000:20:19e::1.
Mail Servers
schulserver.de uses two mail servers, schulserver.de and offline.iserv.eu.
schulserver.de shares at least some of its mail servers with other domains — for example igs-sassenburg.de, iserv-obs-dui.de, rs-hamborn.eu and two more.
It is common to find these mail servers paired with the mail servers mail.osnaware.de.
schulserver.de directs to 116.203.134.179 and 2a01:4f8:c2c:2834::1. offline.iserv.eu directs to 159.69.47.32 and 2a01:4f8:c2c:4863::1. Each host name carries two IP addresses.