math4fun.de - dns.ninja
math4fun.de
| DNSSEC | ⚠️ Not signed | ||||||
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=1782212768 | ||||||
Same first word
DNS History
9 records (0 active, 9 former)
○NSdocks04.rzone.de2015-08-03 → 2020-03-09 · 4 obs
● 2015-08-03 05:53:54
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
○NSns1.redirectdom.com2026-03-25 → 2026-03-25 · 3 obs
○ 2020-03-09 17:24:48
● 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
● 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
○NSns2.redirectdom.com2026-03-25 → 2026-03-25 · 3 obs
○ 2020-03-09 17:24:48
● 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
● 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
○NSshades12.rzone.de2015-08-03 → 2020-03-09 · 4 obs
● 2015-08-03 05:53:54
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
○MXsmtp.rzone.de2015-08-03 → 2017-03-17 · 4 obs
● 2015-08-03 05:53:54
● 2017-03-17 23:08:22
○ 2020-03-09 17:24:48
○ 2026-06-23 11:19:04
● 2017-03-17 23:08:22
○ 2020-03-09 17:24:48
○ 2026-06-23 11:19:04
○MXsmtpin.rzone.de2020-03-09 → 2020-03-09 · 4 obs
○ 2017-03-17 23:08:22
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
○A2a01:238:20a:202:1157::2015-08-03 → 2020-03-09 · 4 obs
● 2015-08-03 05:53:54
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
○A49.13.50.52026-03-25 → 2026-03-25 · 3 obs
○ 2020-03-09 17:24:48
● 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
● 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
○A81.169.145.1572015-08-03 → 2020-03-09 · 4 obs
● 2015-08-03 05:53:54
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○ 2026-06-23 11:19:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
✅ Authoritative Response
Server:194.246.96.1
NS records: a.nic.de, f.nic.de, z.nic.de
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 667ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|