math4fun.de - robtex.com
math4fun.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.13.50.5🇩🇪 Hetzner49.13.0.0/16 HETZNER-DC | ||||||
| PTR | static.5.50.13.49.clients.your-server.de | ||||||
| NS | ns1.redirectdom.com ⭐ | ||||||
| A | 168.119.46.105🇩🇪 Hetzner168.119.0.0/16 HETZNER-DC | ||||||
| PTR | ns1.redirectdom.com | ||||||
| NS | ns2.redirectdom.com | ||||||
| A | 51.195.125.195🇫🇷 OVH51.195.0.0/16 | ||||||
| PTR | ns2.redirectdom.com | ||||||
| SOA | ns1.redirectdom.comdnsmaster@ns1.redirectdom.com 2025-08-08 #2 | ||||||
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=1774436112 | ||||||
Same first word
DNS History
9 records (3 active, 6 former)
○NSdocks04.rzone.de2015-08-03 → 2020-03-09 · 3 obs
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
●NSns1.redirectdom.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 11:03:18
●NSns2.redirectdom.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 11:03:18
○NSshades12.rzone.de2015-08-03 → 2020-03-09 · 3 obs
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○MXsmtp.rzone.de2015-08-03 → 2017-03-17 · 4 obs
● 2017-03-17 23:08:22
○ 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○MXsmtpin.rzone.de2020-03-09 → 2020-03-09 · 3 obs
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
○A2a01:238:20a:202:1157::2015-08-03 → 2020-03-09 · 3 obs
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
●A49.13.50.52026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 11:03:18
○A81.169.145.1572015-08-03 → 2020-03-09 · 3 obs
● 2020-03-09 17:24:48
○ 2026-03-25 11:03:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| math4fun.de | ns1.redirectdom.com, ns2.redirectdom.com | - |
✅ Authoritative Response
Server:168.119.46.105
NS records: ns1.redirectdom.com, ns2.redirectdom.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for math4fun.de (unsigned zone)
⏱️ Timing
Total: 948ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.13.50.5 |
| NS | 2 | ns2.redirectdom.com, ns1.redirectdom.com |
| SOA | 1 | ns1.redirectdom.com dnsmaster.ns1.redire |
Analysis
IP Addresses
math4fun.de points to an IP address: 49.13.50.5.
other host names include 2bro4pro.de, delikantine-bistro-pelikan-viertel-hannover.u-portalen.de, ludwig-ochsenkuhn-neumarkt.u-portalen.de, janosch-harald-elektro-heizung-sanitar-coppenbrugge.u-portalen.de and sprint78.sprintweb.de; they share IP numbers with math4fun.de.
Name Servers
Two name servers ns1.redirectdom.com and ns2.redirectdom.com handle the delegation for math4fun.de.
math4fun.de shares the same name server setup as other domains, for instance ecoop.de, aswendt.de, fastflip.de, soundsurfer.de and liris.de.
Host names with one IP:
ns1.redirectdom.com points to: 168.119.46.105
ns2.redirectdom.com points to: 51.195.125.195