mathchallenge.de - robtex.com
mathchallenge.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=1776204268 | ||||||
Same first word
mathchallenge.mobi |
mathchallenge.biz |
mathchallenge.de |
mathchallenge.tv |
mathchallenge.info |
mathchallenge.com |
mathchallenge.club |
DNS History
7 records (5 active, 2 former)
●NScns1.cloudpit.de2026-03-25 → 2026-04-14 · 3 obs
● 2026-03-25 15:46:34
● 2026-04-14 22:24:08
●NScns2.cloudpit.com2026-03-25 → 2026-04-14 · 3 obs
● 2026-03-25 15:46:34
● 2026-04-14 22:24:08
●NScns3.cloudpit.io2026-03-25 → 2026-04-14 · 3 obs
● 2026-03-25 15:46:34
● 2026-04-14 22:24:08
○NSns2.free-net.net2015-07-11 → 2017-06-13 · 4 obs
● 2017-06-13 12:17:02
○ 2026-03-25 15:46:34
○ 2026-04-14 22:24:08
○NSns2.freenet.de2015-07-11 → 2017-06-13 · 4 obs
● 2017-06-13 12:17:02
○ 2026-03-25 15:46:34
○ 2026-04-14 22:24:08
●MXmx.freenet.de2015-07-11 → 2026-04-14 · 2 obs
● 2026-04-14 22:24:08
●A185.137.168.942026-03-25 → 2026-04-14 · 2 obs
● 2026-04-14 22:24:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| mathchallenge.de | cns1.cloudpit.de, cns3.cloudpit.io, cns2.cloudpit.com | 2 records |
✅ Authoritative Response
Server:109.237.143.8
NS records: cns1.cloudpit.de, cns3.cloudpit.io, cns2.cloudpit.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathchallenge.de (unsigned zone)
⏱️ Timing
Total: 948ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.137.168.94 |
| NS | 3 | cns2.cloudpit.com, cns3.cloudpit.io... |
| MX | 1 | mx.freenet.de (pri: 10) |
| TXT | 1 | v=spf1 include:freenet.de include:secure |
| SOA | 1 | cns1.cloudpit.de hostmaster.dogado.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (cns1.cloudpit.de, cns1.cloudpit.de)
Analysis
IP Addresses
mathchallenge.de points to an IP address: 185.137.168.94.
other host names include anthroposophische-kunsttherapie-dresden.de, huebsch-fenstertechnik.de, oldtimer4franken.de, miet-uns.de and repin.de; they share IP numbers with mathchallenge.de.
Name Servers
mathchallenge.de is delegated to three name servers cns2.cloudpit.com, cns1.cloudpit.de and cns3.cloudpit.io.
mathchallenge.de at least partially shares name servers with other domains, for instance lt-design.at, sweet-laura.de, vaihto.fi, bezonline.de and versoft.fi.
these name servers are commonly used alongside the name servers ns1.namesrv.ch, ns3.namesrv.io, ns2.namesrv.net, dns2alvo.dogado.net, dns1alvo.dogado.net, ns1.emerion.com and ns2.emerion.com.
Host names with two IP numbers:
cns2.cloudpit.com points to 2a01:4f8:2b02:a88::105 and 148.251.254.105; cns1.cloudpit.de points to 2a01:64c0:0:5000::8 and 109.237.142.8; cns3.cloudpit.io points to 2a02:2b80:101:5000::8 and 109.237.143.8.
Mail Servers
mathchallenge.de is handled by a single mail server, mx.freenet.de.
mathchallenge.de uses the same mail server setup as other domains, for instance scuide.com, meeristy.de, bohl-web.de, elsendorf.eu and antobi.de.
mx.freenet.de resolves to twelve IP numbers: 2001:748:400:4::22, 2001:748:400:4::23, 2001:748:400:4::24, 2001:748:400:4::25, 2001:748:400:4::26, 2001:748:400:4::27, 194.97.208.34, 194.97.208.35, 194.97.208.36, 194.97.208.37, 194.97.208.38 and 194.97.208.39.