firstsense.ru - robtex.com
firstsense.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.165.123.36🇷🇺 AS_KKM_IT185.165.123.0/24 | ||||||
| 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.net ⭐ | ||||||
| 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.net | ||||||
| SOA | ns1.masterhost.ruhostmaster@masterhost.ru serial=1749639015 | ||||||
ru
| DNSSEC | ⚠️ Not signed | ||||||
| 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=4067830 | ||||||
Similar names
DNS History
16 records (5 active, 11 former)
●NSns.masterhost.ru2015-08-13 → 2026-03-12 · 2 obs
● 2026-03-12 08:22:46
●NSns1.masterhost.ru2015-08-13 → 2026-03-12 · 2 obs
● 2026-03-12 08:22:46
●NSns2.masterhost.ru2015-08-13 → 2026-03-12 · 2 obs
● 2026-03-12 08:22:46
●MXmx.yandex.net2026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 08:22:42
● 2026-03-12 08:22:46
○MXmx.yandex.ru2015-08-13 → 2016-11-26 · 4 obs
● 2016-11-26 02:56:40
○ 2026-03-12 08:22:42
○ 2026-03-12 08:22:46
●A185.165.123.362026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 08:22:42
● 2026-03-12 08:22:46
○A2a00:15f8:a000:5:1:11:4:46a32015-08-13 → 2016-11-26 · 4 obs
● 2016-11-26 02:56:40
○ 2026-03-12 08:22:42
○ 2026-03-12 08:22:46
○A2a00:15f8:a000:5:1:12:4:46a32015-08-13 → 2016-11-26 · 4 obs
● 2016-11-26 02:56:40
○ 2026-03-12 08:22:42
○ 2026-03-12 08:22:46
○A2a00:15f8:a000:5:1:13:4:46a32015-08-13 → 2016-11-26 · 4 obs
● 2016-11-26 02:56:40
○ 2026-03-12 08:22:42
○ 2026-03-12 08:22:46
○A2a00:15f8:a000:5:1:14:4:46a32015-08-13 → 2016-11-26 · 4 obs
● 2016-11-26 02:56:40
○ 2026-03-12 08:22:42
○ 2026-03-12 08:22:46
○A90.156.201.1242016-08-08 → 2016-11-26 · 5 obs
● 2016-08-08 07:01:18
● 2016-11-26 02:56:40
○ 2026-03-12 08:22:42
○ 2026-03-12 08:22:46
○A90.156.201.192015-08-13 → 2016-08-08 · 4 obs
● 2016-08-08 07:01:18
○ 2016-11-26 02:56:40
○ 2026-03-12 08:22:46
○A90.156.201.472015-08-13 → 2016-11-26 · 4 obs
● 2016-11-26 02:56:40
○ 2026-03-12 08:22:42
○ 2026-03-12 08:22:46
○A90.156.201.482015-08-13 → 2016-11-26 · 4 obs
● 2016-11-26 02:56:40
○ 2026-03-12 08:22:42
○ 2026-03-12 08:22:46
○A90.156.201.502015-08-13 → 2016-03-15 · 4 obs
● 2016-03-15 04:45:20
○ 2016-08-08 07:01:18
○ 2026-03-12 08:22:46
○A90.156.201.982016-11-26 → 2016-11-26 · 4 obs
● 2016-11-26 02:56:40
○ 2026-03-12 08:22:42
○ 2026-03-12 08:22:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| firstsense.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 firstsense.ru (unsigned zone)
⏱️ Timing
Total: 1681ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.165.123.36 |
| NS | 3 | ns1.masterhost.ru, ns.masterhost.ru... |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.yandex.net |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
Analysis
IP Addresses
firstsense.ru points to a single IP address: 185.165.123.36.
Other host names such as phlebo-clinic.ru, www.one-beautycoworking.ru, kubru.ru, ftsk.ru and www.cleanvent.ru share IPs with firstsense.ru.
Name Servers
firstsense.ru is delegated to three name servers: ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.
firstsense.ru at least partially shares name servers with other domains, for example cber.ru, sham.ru, 1337.ru, qeek.ru and ibrush.ru.
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 mx.yandex.net mail server handles firstsense.ru.
firstsense.ru shares the same mail server setup as other domains, including dcsr.ru, krovlex.ru, desync.ru, mypizza.kg and motorby.net.
firstsense.ru shares some mail servers with other domains, at least partially, for instance nevatr.ru, detsky-doctor.ru, center-it.spb.ru and webng.pro.
mx.yandex.net points to two IP numbers: 2a02:6b8::311 and 77.88.21.249.