mathbattle.org - robtex.com
mathbattle.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.201.52.207🇷🇺 INTERNET-PRO-AS91.201.52.0/24 | ||||||
| PTR | h3.netangels.ru | ||||||
| NS | ns1.netangels.ru ⭐ | ||||||
| A | 91.201.54.2🇷🇺 INTERNET-PRO-AS91.201.54.0/23 NetAngels.RU network in Yekaterinburg | ||||||
| PTR | ns1.netangels.ru | ||||||
| NS | ns2.netangels.ru | ||||||
| A | 91.201.52.2🇷🇺 INTERNET-PRO-AS91.201.52.0/24 | ||||||
| PTR | ns2.netangels.ru | ||||||
| NS | ns3.netangels.ru | ||||||
| A | 45.86.39.2🇷🇺 INTERNET-PRO-AS45.86.39.0/24 | ||||||
| NS | ns4.netangels.ru | ||||||
| A | 80.87.101.2🇷🇺 INTERNET-PRO-AS80.87.101.0/24 | ||||||
| SOA | ns1.netangels.ruhostmaster@netangels.ru serial=1772015264 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1775965858 | ||||||
Same first word
mathbattle.org |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.netangels.ru2026-03-05 → 2026-04-12 · 2 obs
● 2026-04-12 04:23:28
●NSns2.netangels.ru2026-03-05 → 2026-04-12 · 2 obs
● 2026-04-12 04:23:28
●NSns3.netangels.ru2026-03-05 → 2026-04-12 · 2 obs
● 2026-04-12 04:23:28
●NSns4.netangels.ru2026-03-05 → 2026-04-12 · 2 obs
● 2026-04-12 04:23:28
●A91.201.52.2072026-03-05 → 2026-04-12 · 2 obs
● 2026-04-12 04:23:28
○A91.201.52.2372026-03-05 → 2026-04-12 · 2 obs
○ 2026-04-12 04:23:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| mathbattle.org | ns1.netangels.ru, ns2.netangels.ru, ns3.netangels.ru, ns4.netangels.ru | - |
✅ Authoritative Response
Server:80.87.101.2
NS records: ns1.netangels.ru, ns2.netangels.ru, ns3.netangels.ru, ns4.netangels.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathbattle.org (unsigned zone)
⏱️ Timing
Total: 1094ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.201.52.207 |
| NS | 4 | ns1.netangels.ru, ns2.netangels.ru... |
| SOA | 1 | ns1.netangels.ru hostmaster.netangels.ru |
Analysis
IP Addresses
mathbattle.org points to a single IP: 91.201.52.207.
Other host names, for instance dentelit.ru, zaosi.com, n-servis.ru, xn----itbbuhggnwd.xn--p1ai and sheffer.ru share IP numbers with mathbattle.org.
Name Servers
mathbattle.org is delegated to four name servers: ns1.netangels.ru, ns2.netangels.ru, ns3.netangels.ru and ns4.netangels.ru.
mathbattle.org at least partially shares its name servers with other domains, for instance 83.226.91.in-addr.arpa, alfait.su, tex-nic.ru, nika59.ru and vm-6e7eb3f5.na4u.ru.
Host names with one IP number: ns1.netangels.ru points to 91.201.54.2; ns2.netangels.ru points to 91.201.52.2; ns3.netangels.ru points to 45.86.39.2; ns4.netangels.ru points to 80.87.101.2.