coding-contest.at - robtex.com
coding-contest.at
at
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.at ⭐ | ||||||
| NS | d.ns.at | ||||||
| NS | j.ns.at | ||||||
| NS | n.ns.at | ||||||
| NS | ns1.univie.ac.at | ||||||
| NS | ns2.univie.ac.at | ||||||
| NS | r.ns.at | ||||||
| NS | u.ns.at | ||||||
| SOA | dns.nic.atdomain-admin@univie.ac.at serial=1774472402 | ||||||
Same first word
coding-contest.at |
DNS History
10 records (7 active, 3 former)
●NSns1.domaindiscount24.net2015-06-15 → 2026-03-25 · 2 obs
● 2026-03-25 22:03:30
●NSns1.knapp.com2020-03-16 → 2026-03-25 · 3 obs
● 2020-03-16 08:28:08
● 2026-03-25 22:03:30
●NSns2.domaindiscount24.net2015-06-15 → 2026-03-25 · 2 obs
● 2026-03-25 22:03:30
●NSns3.domaindiscount24.net2015-06-15 → 2026-03-25 · 2 obs
● 2026-03-25 22:03:30
●MXcodingcontest-at01e.mail.protection.outlook.com2020-03-16 → 2026-03-25 · 3 obs
● 2020-03-16 08:28:08
● 2026-03-25 22:03:30
○MXmailfw.dd24.net2017-03-18 → 2017-03-18 · 3 obs
○ 2020-03-16 08:28:08
○ 2026-03-25 22:03:30
●A2001:a00::1202026-02-19 → 2026-03-25 · 3 obs
● 2026-02-19 22:36:34
● 2026-03-25 22:03:30
○A89.207.120.752015-06-15 → 2017-03-18 · 4 obs
● 2017-03-18 13:51:40
○ 2020-03-16 08:28:08
○ 2026-03-25 22:03:30
○A89.207.121.1312020-03-16 → 2020-03-16 · 4 obs
● 2020-03-16 08:28:08
○ 2026-02-19 22:36:34
○ 2026-03-25 22:03:30
●A89.207.121.1972026-02-19 → 2026-03-25 · 3 obs
● 2026-02-19 22:36:34
● 2026-03-25 22:03:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | r.ns.at, n.ns.at, d.ns.at, u.ns.at... | - |
| coding-contest.at | ns2.domaindiscount24.net, ns3.domaindiscount24.net, ns1.domaindiscount24.net | - |
✅ Authoritative Response
Server:194.0.182.34
NS records: ns2.domaindiscount24.net, ns3.domaindiscount24.net, ns1.domaindiscount24.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 360ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.207.121.197 |
| AAAA | 1 | 2001:a00::120 |
| NS | 3 | ns2.domaindiscount24.net, ns3.domaindiscount24.net... |
| MX | 1 | codingcontest-at01e.mail.protection.outl |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, MS=ms11975672 |
| SOA | 1 | ns1.knapp.com hostmaster.knapp.com |
Analysis
IP Addresses
coding-contest.at resolves to two IP numbers: 2001:a00::120 and 89.207.121.197.
Other host names, for instance apostore.de, kht-online.de, apostore.com, apostore-service.de and kngw03.knapp.com share IP numbers with coding-contest.at.
Name Servers
coding-contest.at is delegated to four name servers: ns1.knapp.com, ns1.domaindiscount24.net, ns2.domaindiscount24.net and ns3.domaindiscount24.net.
coding-contest.at shares some name servers with other domains, for example goassmass.de, manga-shop.de, siegener-tierheim.de, schaedlinge-bekaempfen.com and knk.schule.
These name servers are often used together with ns1.rrpproxy.net, ns2.rrpproxy.net and ns3.rrpproxy.net.
Host names with two IP numbers
Two IPs per host:
ns1.knapp.com points to 2001:a00::53 and 89.207.121.121
ns1.domaindiscount24.net points to 2a04:2b00:14cc::34 and 193.227.117.34
ns2.domaindiscount24.net points to 2a04:2b00:14dd::34 and 194.50.187.34
ns3.domaindiscount24.net points to 2a04:2b00:14ee::34 and 194.0.182.34
Mail Servers
coding-contest.at is handled by a single mail server, codingcontest-at01e.mail.protection.outlook.com.
Host codingcontest-at01e.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::8, 2a01:111:f403:ca09::6, 2a01:111:f403:ca09::8, 52.101.68.0, 52.101.68.16, 52.101.68.21 and 52.101.73.16.