heideschule.de - robtex.com
heideschule.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=1774935938 | ||||||
Same first word
heideschule.de |
DNS History
10 records (5 active, 5 former)
○NSdns01.csb-hosting.de2015-07-20 → 2017-01-01 · 4 obs
● 2017-01-01 16:07:22
○ 2018-01-10 13:28:30
○ 2026-03-31 05:47:18
○NSdns02.csb-hosting.de2015-07-20 → 2017-01-01 · 4 obs
● 2017-01-01 16:07:22
○ 2018-01-10 13:28:30
○ 2026-03-31 05:47:18
●NSns01.csb-hosting.de2018-01-10 → 2026-03-31 · 3 obs
● 2018-01-10 13:28:30
● 2026-03-31 05:47:18
●NSns02.csb-hosting.de2018-01-10 → 2026-03-31 · 3 obs
● 2018-01-10 13:28:30
● 2026-03-31 05:47:18
○MXhds.dnsalias.net2015-07-20 → 2018-01-10 · 4 obs
● 2018-01-10 13:28:30
○ 2026-02-17 03:03:50
○ 2026-03-31 05:47:18
●MXheideschule-de.mail.protection.outlook.com2026-02-17 → 2026-03-31 · 3 obs
● 2026-02-17 03:03:50
● 2026-03-31 05:47:18
○A144.76.38.1012015-07-20 → 2017-01-01 · 4 obs
● 2017-01-01 16:07:22
○ 2018-01-10 13:28:30
○ 2026-03-31 05:47:18
○A2a01:4f8:191:3464::22015-07-20 → 2017-01-01 · 4 obs
● 2017-01-01 16:07:22
○ 2018-01-10 13:28:30
○ 2026-03-31 05:47:18
●A2a01:4f8:c0c:1362::22018-01-10 → 2026-03-31 · 3 obs
● 2018-01-10 13:28:30
● 2026-03-31 05:47:18
●A88.99.225.1892018-01-10 → 2026-03-31 · 3 obs
● 2018-01-10 13:28:30
● 2026-03-31 05:47:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| heideschule.de | ns01.csb-hosting.de, ns02.csb-hosting.de | 4 records |
✅ Authoritative Response
Server:88.99.171.253
NS records: ns01.csb-hosting.de, ns02.csb-hosting.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for heideschule.de (unsigned zone)
⏱️ Timing
Total: 616ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.99.225.189 |
| AAAA | 1 | 2a01:4f8:c0c:1362::2 |
| NS | 2 | ns01.csb-hosting.de, ns02.csb-hosting.de |
| MX | 1 | heideschule-de.mail.protection.outlook.c |
| TXT | 3 | v=spf1 a mx a:heideschule.de ip4:88.99.2, ybqx6zz0m70hqms4drqst9cf2vyzn546 ... |
| SOA | 1 | ns01.csb-hosting.de hostingsysteme.csb-i |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns01.csb-hosting.de, ns01.csb-hosting.de, ns02.csb-hosting.de...)
Analysis
IP Addresses
heideschule.de points to two IP numbers: 2a01:4f8:c0c:1362::2 and 88.99.225.189.
Other host names such as csbuchholz.de, mail.behrendt-textil.net, praxispoloshirts.de, www.csb-it.de and csb-it.net share IP numbers with heideschule.de.
Name Servers
heideschule.de is delegated to two name servers: ns01.csb-hosting.de and ns02.csb-hosting.de.
heideschule.de uses the same name server setup as other domains, including merkur-druck.org, easttex.de, praxis-poloshirts.de, walterschmidt.net and pipo-tor.net.
Host names with two IP numbers:
ns01.csb-hosting.de points to 2a01:4f8:c0c:1362::2 and 88.99.225.189.
ns02.csb-hosting.de points to 2a01:4f8:c0c:3e4::1 and 88.99.171.253.
Mail Servers
The mail server for heideschule.de is heideschule-de.mail.protection.outlook.com.
heideschule-de.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.