theorybar.ru - robtex.com
theorybar.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 176.57.67.112🇧🇦 DDOS-GUARD176.57.67.0/24 | ||||||
| NS | ns2.masterhost.ru ⭐ | ||||||
| A | 2a00:15f8:a000:12:1:1:2:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns2.masterhost.ru | ||||||
| A | 90.156.133.161🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns2.masterhost.ru | ||||||
| NS | ns.masterhost.ru | ||||||
| A | 2a00:15f8:a000:10:1:1:0:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns.masterhost.ru | ||||||
| A | 90.156.136.116🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns.masterhost.ru | ||||||
| NS | ns1.masterhost.ru | ||||||
| A | 2a00:15f8:a000:11:1:1:1:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns1.masterhost.ru | ||||||
| A | 90.156.137.50🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns1.masterhost.ru | ||||||
| MX | mx.yandex.ru ⭐ | ||||||
| A | 2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| A | 77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| TXT | v=spf1 redirect=_spf.yandex.ru | ||||||
| SOA | ns1.masterhost.ruhostmaster@masterhost.ru serial=1764252953 | ||||||
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=4068860 | ||||||
Same first word
theorybar.ru |
Similar names
DNS History
13 records (5 active, 8 former)
●NSns.masterhost.ru2018-10-03 → 2026-05-13 · 2 obs
● 2026-05-13 13:57:58
●NSns1.masterhost.ru2018-10-03 → 2026-05-13 · 2 obs
● 2026-05-13 13:57:58
●NSns2.masterhost.ru2018-10-03 → 2026-05-13 · 2 obs
● 2026-05-13 13:57:58
●A176.57.67.1122026-04-14 → 2026-05-13 · 3 obs
● 2026-04-14 00:05:26
● 2026-05-13 13:57:58
○A2a00:15f8:a000:5:1:11:4:85c62018-10-03 → 2018-10-03 · 3 obs
○ 2026-04-14 00:05:26
○ 2026-05-13 13:57:58
○A2a00:15f8:a000:5:1:12:4:85c62018-10-03 → 2018-10-03 · 3 obs
○ 2026-04-14 00:05:26
○ 2026-05-13 13:57:58
○A2a00:15f8:a000:5:1:13:4:85c62018-10-03 → 2018-10-03 · 3 obs
○ 2026-04-14 00:05:26
○ 2026-05-13 13:57:58
○A2a00:15f8:a000:5:1:14:4:85c62018-10-03 → 2018-10-03 · 3 obs
○ 2026-04-14 00:05:26
○ 2026-05-13 13:57:58
○A90.156.201.1072018-10-03 → 2018-10-03 · 3 obs
○ 2026-04-14 00:05:26
○ 2026-05-13 13:57:58
○A90.156.201.362018-10-03 → 2018-10-03 · 3 obs
○ 2026-04-14 00:05:26
○ 2026-05-13 13:57:58
○A90.156.201.472018-10-03 → 2018-10-03 · 3 obs
○ 2026-04-14 00:05:26
○ 2026-05-13 13:57:58
○A90.156.201.902018-10-03 → 2018-10-03 · 3 obs
○ 2026-04-14 00:05:26
○ 2026-05-13 13:57:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| theorybar.ru | ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru | - |
✅ Authoritative Response
Server:90.156.133.161
NS records: ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for theorybar.ru (unsigned zone)
⏱️ Timing
Total: 2226ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 176.57.67.112 |
| NS | 3 | ns2.masterhost.ru, ns.masterhost.ru... |
| MX | 1 | mx.yandex.ru (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.yandex.ru |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
Analysis
IP Addresses
theorybar.ru points to a single IP address: 176.57.67.112.
Other host names such as producerschool.ru, holocaust.su, www.prompages.ru, spbtech.ru and facade.su share IP numbers with theorybar.ru.
Name Servers
theorybar.ru is delegated to three name servers: ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.
At least part of the name servers for theorybar.ru are shared with other domains, for instance astek-mt.ru, ladomed.com, xn--80abtfombr.xn--p1ai, publifegroup.ru and xn--80akujt.xn--p1ai.
Host names with two IP numbers:
ns1.masterhost.ru points to 2a00:15f8:a000:11:1:1:1:53 and 90.156.137.50
ns2.masterhost.ru points to 2a00:15f8:a000:12:1:1:2:53 and 90.156.133.161
ns.masterhost.ru points to 2a00:15f8:a000:10:1:1:0:53 and 90.156.136.116
Mail Servers
The mail server for theorybar.ru is mx.yandex.ru.
theorybar.ru uses the same mail server setup as other domains, for instance tourargo.ru, oreon.su, univermag.pro, krasilnikova.com.ua and bdip.ru.
theorybar.ru shares at least some mail servers with other domains, for example bezposrednik.ru, 102travel.ru, autotranstech.ru, sonar.penza.com.ru and euromining.ru.
these mail servers are frequently used alongside the mail servers mx.yandex.net.
Hostname mx.yandex.ru resolves to two IPs: 2a02:6b8::311 and 77.88.21.249.