teorem.ru - dns.ninja
teorem.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.253.61.73🇷🇺 AdminVPS5.253.61.0/24 | ||||||
| NS | ns1.adminvps.ru ⭐ | ||||||
| A | 144.76.66.206🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | ns1.adminvps.ru | ||||||
| NS | ns2.adminvps.net | ||||||
| A | 185.250.46.206🇷🇺 AdminVPS185.250.46.0/24 | ||||||
| NS | ns3.adminvps.ru | ||||||
| A | 5.253.63.50🇳🇱 HOSTKEY-AS5.253.63.0/24 | ||||||
| NS | ns4.adminvps.net | ||||||
| A | 94.26.240.170🇷🇺 SELECTEL94.26.240.0/22 Selectel Route Object | ||||||
| MX | emx.mail.ru ⭐ | ||||||
| A | 94.100.180.180🇷🇺 VK-AS94.100.176.0/20 Moscow region | ||||||
| PTR | emx.mail.ru | ||||||
| A | 217.69.139.180🇷🇺 VK-AS217.69.128.0/20 Moscow region | ||||||
| PTR | emx.mail.ru | ||||||
| TXT | google-site-verification=4yf886ldCqjRUREmJUO6WHVwsp5Zt77gTHOL47-emR0 | ||||||
| TXT | v=spf1 redirect=_spf.mail.ru | ||||||
| SOA | ns1.adminvps.ruroot@adminvps.ru 2023-05-02 #13 | ||||||
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=4069678 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
○NSns.adminvps.ru2020-01-12 → 2026-07-11 · 18 obs
● 2026-03-14 15:31:06
○ 2026-03-20 09:23:30
● 2026-03-30 19:14:24
○ 2026-04-09 04:23:26
○ 2026-04-10 11:43:20
● 2026-04-13 13:58:00
● 2026-04-16 15:18:40
○ 2026-04-19 20:05:24
● 2026-04-26 16:27:16
○ 2026-05-07 02:13:12
● 2026-06-19 23:13:22
○ 2026-06-20 17:23:40
● 2026-06-25 17:42:06
○ 2026-07-10 13:26:06
● 2026-07-11 21:27:16
○ 2026-07-20 03:29:24
○ 2026-07-20 03:29:26
●NSns1.adminvps.ru2020-01-12 → 2026-07-20 · 2 obs
● 2026-07-20 03:29:26
●NSns2.adminvps.net2020-01-12 → 2026-07-20 · 2 obs
● 2026-07-20 03:29:26
●NSns3.adminvps.ru2020-01-12 → 2026-07-20 · 2 obs
● 2026-07-20 03:29:26
●NSns4.adminvps.net2020-01-12 → 2026-07-20 · 2 obs
● 2026-07-20 03:29:26
●A5.253.61.732026-02-16 → 2026-07-20 · 3 obs
● 2026-02-16 05:31:52
● 2026-07-20 03:29:26
○A62.213.100.152020-01-12 → 2020-01-12 · 3 obs
○ 2026-02-16 05:31:52
○ 2026-07-20 03:29:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| teorem.ru | ns1.adminvps.ru, ns2.adminvps.net, ns3.adminvps.ru, ns4.adminvps.net | 1 record |
✅ Authoritative Response
Server:185.250.46.206
NS records: ns1.adminvps.ru, ns2.adminvps.net, ns3.adminvps.ru, ns4.adminvps.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for teorem.ru (unsigned zone)
⏱️ Timing
Total: 1003ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.253.61.73 |
| NS | 4 | ns2.adminvps.net, ns3.adminvps.ru... |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 2 | google-site-verification=4yf886ldCqjRURE, v=spf1 redirect=_spf.mail.ru |
| SOA | 1 | ns1.adminvps.ru root.adminvps.ru |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns1.adminvps.ru)
Analysis
IP Addresses
teorem.ru directs to one IP number, which is 5.253.61.73.
Name Servers
The domain teorem.ru is delegated to these four name servers: ns2.adminvps.net, ns4.adminvps.net, ns1.adminvps.ru and ns3.adminvps.ru.
teorem.ru has at least partial name server overlap with other domains, such as zaytsev.com, 1pad.ru, ex-seo.ru and two others.
ns2.adminvps.ru, isp32.adminvps.net and isp29.adminvsp.net — plus 5 other name servers — are commonly paired with these name servers.
ns2.adminvps.net resolves to 185.250.46.206. ns4.adminvps.net resolves to 94.26.240.170. ns1.adminvps.ru resolves to 144.76.66.206. ns3.adminvps.ru resolves to 5.253.63.50. All four hosts carry exactly one IP address.
Mail Servers
teorem.ru routes its mail through a single mail server, emx.mail.ru.
teorem.ru has the same mail server arrangement as a number of other domains, for example faist-russia.com, crewtraffic.com, ladrm.ru and two more.
teorem.ru shares at least some of its mail servers with other domains — for example 250028.ru, zp-avto.ru, 3dminifactory.ru and two more.
emx.mail.ru has two IP addresses: 94.100.180.180 and 217.69.139.180.