mathmod.ru - dns.ninja
mathmod.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.230.118.213🇷🇺 RU-JSCIOT37.230.118.0/23 | ||||||
| PTR | lake.multihost.cloud | ||||||
| NS | ns1.multihost.ru ⭐ | ||||||
| A | 82.202.173.207🇷🇺 RU-JSCIOT82.202.172.0/23 | ||||||
| PTR | ns1.multihost.ru | ||||||
| NS | ns2.multihost.ru | ||||||
| A | 188.120.255.7🇷🇺 RU-JSCIOT188.120.254.0/23 | ||||||
| PTR | ns2.multihost.ru | ||||||
| NS | ns3.multihost.ru ⚠️ Not in parent delegation | ||||||
| A | 188.120.255.7🇷🇺 RU-JSCIOT188.120.254.0/23 | ||||||
| PTR | ns2.multihost.ru | ||||||
| MX | mathmod.ru ⭐ | ||||||
| A | 37.230.118.213🇷🇺 RU-JSCIOT37.230.118.0/23 | ||||||
| PTR | lake.multihost.cloud | ||||||
| TXT | v=spf1 ip4:37.230.118.213 ip4:37.230.118.162 ip4:37.230.118.162 ip4:185.42.12... | ||||||
| SOA | ns1.multihost.ruroot@lake.multihost.cloud 2026-07-07 #7 | ||||||
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4069532 | ||||||
MX for
mathmod.ru |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.multihost.ru2015-08-03 → 2026-07-07 · 2 obs
● 2026-07-07 21:43:30
●NSns2.multihost.ru2015-08-03 → 2026-07-07 · 2 obs
● 2026-07-07 21:43:30
●NSns3.multihost.ru2016-07-07 → 2026-07-07 · 3 obs
● 2016-07-07 15:10:08
● 2026-07-07 21:43:30
●MXmathmod.ru2015-08-03 → 2026-07-07 · 2 obs
● 2026-07-07 21:43:30
○A185.42.12.1272015-08-03 → 2016-03-05 · 4 obs
● 2016-03-05 20:57:14
○ 2016-07-07 15:10:08
○ 2026-07-07 21:43:30
○A185.42.12.1282016-07-07 → 2017-03-19 · 5 obs
● 2016-07-07 15:10:08
● 2017-03-19 05:26:24
○ 2026-03-08 20:27:44
○ 2026-07-07 21:43:30
●A37.230.118.2132026-03-08 → 2026-07-07 · 3 obs
● 2026-03-08 20:27:44
● 2026-07-07 21:43:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| mathmod.ru | ns2.multihost.ru, ns1.multihost.ru | 2 records |
✅ Authoritative Response
Server:82.202.173.207
NS records: ns2.multihost.ru, ns1.multihost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathmod.ru (unsigned zone)
⏱️ Timing
Total: 1023ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.230.118.213 |
| NS | 3 | ns3.multihost.ru, ns2.multihost.ru... |
| MX | 1 | mathmod.ru (pri: 0) |
| TXT | 1 | v=spf1 ip4:37.230.118.213 ip4:37.230.118 |
| SOA | 1 | ns1.multihost.ru root.lake.multihost.clo |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.multihost.ru, ns1.multihost.ru)
Analysis
Mail Server Role
mathmod.ru serves as a mail server for mathmod.ru.
IP Addresses
mathmod.ru has exactly one IP address — 37.230.118.213.
stock1.ru, tansis.ru, systemid.ru plus two other host names have IP numbers in common with mathmod.ru.
Name Servers
Three name servers are authoritative for mathmod.ru: ns1.multihost.ru, ns2.multihost.ru and ns3.multihost.ru.
There is at least partial name server overlap between mathmod.ru and other domains — aftex.ru, flexm.ru, izomin.ru and two more among them.
The name servers ns1.belihost.ru, ns2.belihost.ru and ns3.belihost.ru are often found in combination with these name servers.
ns1.multihost.ru resolves to 82.202.173.207. Notably, ns2.multihost.ru and ns3.multihost.ru share the same IP address, 188.120.255.7.
These two host names — ns2.multihost.ru and ns3.multihost.ru — each point to 188.120.255.7 IP addresses.
Mail Servers
mathmod.ru uses exactly one mail server, which is mathmod.ru.
There is one IP number for mathmod.ru: 37.230.118.213.