mathlearning.de - robtex.com
mathlearning.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix | ||||||
| NS | ns17.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21c0::9🇺🇸 GODADDY-DNS2603:5:21c0::/44 | ||||||
| PTR | ns17.domaincontrol.com | ||||||
| A | 97.74.108.9🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns17.domaincontrol.com | ||||||
| NS | ns18.domaincontrol.com | ||||||
| A | 2603:5:22c0::9🇺🇸 GODADDY-DNS2603:5:22c0::/44 | ||||||
| PTR | ns18.domaincontrol.com | ||||||
| A | 173.201.76.9🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| SOA | ns17.domaincontrol.comdns@jomax.net 2026-10-04 #1 | ||||||
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=1793285327 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
5 records (3 active, 2 former)
●NSns17.domaincontrol.com2026-09-23 → 2026-10-29 · 2 obs
● 2026-10-29 15:32:08
●NSns18.domaincontrol.com2026-09-23 → 2026-10-29 · 2 obs
● 2026-10-29 15:32:08
○A13.248.243.52026-09-23 → 2026-09-23 · 3 obs
○ 2026-10-27 11:34:12
○ 2026-10-29 15:32:08
●A216.198.79.12026-10-27 → 2026-10-29 · 3 obs
● 2026-10-27 11:34:12
● 2026-10-29 15:32:08
○A76.223.105.2302026-09-23 → 2026-09-23 · 3 obs
○ 2026-10-27 11:34:12
○ 2026-10-29 15:32:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| mathlearning.de | ns17.domaincontrol.com, ns18.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.108.9
NS records: ns17.domaincontrol.com, ns18.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathlearning.de (unsigned zone)
⏱️ Timing
Total: 1028ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 2 | ns18.domaincontrol.com, ns17.domaincontrol.com |
| SOA | 1 | ns17.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
mathlearning.de points to a single IP number: 216.198.79.1.
Additional host names — vitaminapp.online, ziechotel.com, bleepon.com and two others — share IP numbers with mathlearning.de.
Name Servers
The NS records for mathlearning.de delegate to ns17.domaincontrol.com and ns18.domaincontrol.com.
mathlearning.de shares its name server setup with other domains, including petermanformayor.com, solgelane.com, fasttraccement.net and two others.
ns17.domaincontrol.com resolves to 97.74.108.9 and 2603:5:21c0::9. Likewise, ns18.domaincontrol.com resolves to 173.201.76.9 and 2603:5:22c0::9 — two IP addresses apiece.