mathtree.ru - dns.ninja
mathtree.ru
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4069901 | ||||||
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
○NSns.iis.nsk.su2015-08-01 → 2017-06-21 · 4 obs
● 2017-06-21 09:12:02
○ 2026-03-12 22:18:42
○ 2026-08-07 13:43:54
○NSns.nsc.ru2015-08-01 → 2017-06-21 · 4 obs
● 2017-06-21 09:12:02
○ 2026-03-12 22:18:42
○ 2026-08-07 13:43:54
○NSns.xtech.ru2015-08-01 → 2017-06-21 · 4 obs
● 2017-06-21 09:12:02
○ 2026-03-12 22:18:42
○ 2026-08-07 13:43:54
●NSns1.timeweb.ru2026-03-12 → 2026-08-07 · 3 obs
● 2026-03-12 22:18:42
● 2026-08-07 13:43:54
●NSns2.timeweb.ru2026-03-12 → 2026-08-07 · 3 obs
● 2026-03-12 22:18:42
● 2026-08-07 13:43:54
●NSns3.timeweb.org2026-03-12 → 2026-08-07 · 3 obs
● 2026-03-12 22:18:42
● 2026-08-07 13:43:54
●NSns4.timeweb.org2026-03-12 → 2026-08-07 · 3 obs
● 2026-03-12 22:18:42
● 2026-08-07 13:43:54
●MXmx1.timeweb.ru2026-03-12 → 2026-08-07 · 2 obs
● 2026-08-07 13:43:54
●MXmx2.timeweb.ru2026-03-12 → 2026-08-07 · 2 obs
● 2026-08-07 13:43:54
●A2a03:6f00:1::5c35:60f52026-03-12 → 2026-08-07 · 3 obs
● 2026-03-12 22:18:42
● 2026-08-07 13:43:54
○A84.237.72.122015-08-01 → 2017-06-21 · 4 obs
● 2017-06-21 09:12:02
○ 2026-03-12 22:18:42
○ 2026-08-07 13:43:54
●A92.53.96.2452026-03-12 → 2026-08-07 · 3 obs
● 2026-03-12 22:18:42
● 2026-08-07 13:43:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net... | - |
| mathtree.ru | ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org | 2 records |
✅ Authoritative Response
Server:217.78.234.130
NS records: ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathtree.ru (unsigned zone)
⏱️ Timing
Total: 1147ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 92.53.96.245 |
| AAAA | 1 | 2a03:6f00:1::5c35:60f5 |
| NS | 4 | ns2.timeweb.ru, ns1.timeweb.ru... |
| MX | 2 | mx2.timeweb.ru (pri: 10), mx1.timeweb.ru (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.timeweb.ru ~all |
| SOA | 1 | ns1.timeweb.ru dns.timeweb.ru |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.timeweb.ru, ns2.timeweb.ru)
Analysis
IP Addresses
mathtree.ru points to the IP addresses 92.53.96.245 and 2a03:6f00:1::5c35:60f5
Additional host names — 4613.ru, mathtask.ru, roost.ru and two others — share IP numbers with mathtree.ru.
Name Servers
mathtree.ru has four authoritative name servers: ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru and ns2.timeweb.ru.
There is at least partial name server overlap between mathtree.ru and other domains — f.e.5.2.1.e.c.b.0.0.0.0.0.0.0.0.0.0.0.0.4.0.0.0.0.0.f.6.3.0.a.2.ip6.arpa, 5986323-gm92687.twc1.net, stilfort.com and two more among them.
All four hostnames — ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru and ns2.timeweb.ru — resolve to two IP numbers apiece: ns3.timeweb.org to 217.78.234.130 and 2a03:6f07:4::2; ns4.timeweb.org to 139.45.249.139 and 2a00:65e0:6:5:232a::2; ns1.timeweb.ru to 85.193.93.93 and 2a03:6f04:dead:bee::1; ns2.timeweb.ru to 85.193.93.85 and 2a03:6f04:dead:bee::2.
Mail Servers
mathtree.ru has two mail servers: mx1.timeweb.ru and mx2.timeweb.ru.
mathtree.ru shares the same mail server setup as other domains, including workmsg.online, dego.ru, tehtepla.ru and two others.
mathtree.ru has mail servers in common with other domains — for example vuchebe.com, gdpl.ru and vf24.ru.
mx1.timeweb.ru directs to 92.53.116.47 and 2a03:6f00:3::5c35:742f. mx2.timeweb.ru directs to 92.53.116.51 and 2a03:6f00:3::5c35:7433. Each host name carries two IP addresses.