studia33.ru - robtex.com
studia33.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.201.52.240🇷🇺 INTERNET-PRO-AS91.201.52.0/24 | ||||||
| PTR | h51.netangels.ru | ||||||
| NS | ns1.netangels.ru ⭐ | ||||||
| A | 91.201.54.2🇷🇺 INTERNET-PRO-AS91.201.54.0/23 NetAngels.RU network in Yekaterinburg | ||||||
| PTR | ns1.netangels.ru | ||||||
| NS | ns2.netangels.ru | ||||||
| A | 91.201.52.2🇷🇺 INTERNET-PRO-AS91.201.52.0/24 | ||||||
| PTR | ns2.netangels.ru | ||||||
| NS | ns3.netangels.ru ⚠️ Not in parent delegation | ||||||
| A | 45.86.39.2🇷🇺 INTERNET-PRO-AS45.86.39.0/24 | ||||||
| NS | ns4.netangels.ru ⚠️ Not in parent delegation | ||||||
| A | 80.87.101.2🇷🇺 INTERNET-PRO-AS80.87.101.0/24 | ||||||
| MX | mx0.studia33.ru ⭐ | ||||||
| A | 91.201.54.7🇷🇺 INTERNET-PRO-AS91.201.54.0/23 NetAngels.RU network in Yekaterinburg | ||||||
| PTR | mx0.netangels.ru | ||||||
| MX | mx1.studia33.ru(5) | ||||||
| A | 91.201.54.8🇷🇺 INTERNET-PRO-AS91.201.54.0/23 NetAngels.RU network in Yekaterinburg | ||||||
| PTR | mx1.netangels.ru | ||||||
| TXT | v=spf1 a ip4:91.201.52.240 include:netangels.ru ~all | ||||||
| TXT | yandex-verification: b63e32294bb7658a | ||||||
| SOA | ns1.netangels.ruhostmaster@netangels.ru serial=1773248701 | ||||||
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=4068265 | ||||||
Subdomains
mx1.studia33.ru |
DNS History
9 records (7 active, 2 former)
●NSns1.netangels.ru2015-06-13 → 2026-03-25 · 2 obs
● 2026-03-25 01:54:00
●NSns2.netangels.ru2015-06-13 → 2026-03-25 · 2 obs
● 2026-03-25 01:54:00
●NSns3.netangels.ru2016-12-09 → 2026-03-25 · 3 obs
● 2016-12-09 10:19:20
● 2026-03-25 01:54:00
●NSns4.netangels.ru2016-12-09 → 2026-03-25 · 3 obs
● 2016-12-09 10:19:20
● 2026-03-25 01:54:00
●MXmx0.studia33.ru2015-06-13 → 2026-03-25 · 2 obs
● 2026-03-25 01:54:00
●MXmx1.studia33.ru2015-06-13 → 2026-03-25 · 2 obs
● 2026-03-25 01:54:00
○A185.93.108.782016-04-10 → 2017-11-20 · 5 obs
● 2016-04-10 01:54:32
● 2017-11-20 22:10:34
○ 2026-03-25 01:53:58
○ 2026-03-25 01:54:00
●A91.201.52.2402026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 01:53:58
● 2026-03-25 01:54:00
○A91.201.52.782015-06-13 → 2016-01-21 · 4 obs
● 2016-01-21 01:49:50
○ 2016-04-10 01:54:32
○ 2026-03-25 01:54:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| studia33.ru | ns1.netangels.ru, ns2.netangels.ru | 2 records |
✅ Authoritative Response
Server:91.201.54.2
NS records: ns1.netangels.ru, ns2.netangels.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studia33.ru (unsigned zone)
⏱️ Timing
Total: 946ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.201.52.240 |
| NS | 4 | ns1.netangels.ru, ns2.netangels.ru... |
| MX | 2 | mx0.studia33.ru (pri: 1), mx1.studia33.ru (pri: 5) |
| TXT | 2 | v=spf1 a ip4:91.201.52.240 include:netan, yandex-verification: b63e32294bb7658a |
| SOA | 1 | ns1.netangels.ru hostmaster.netangels.ru |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.netangels.ru, ns2.netangels.ru)
Analysis
Hierarchy
studia33.ru is a parent of mx1.studia33.ru.
IP Addresses
studia33.ru points to a single IP address: 91.201.52.240.
Other host names such as remontnpo.ru, pobeda96.ru, www.rd-paracels.ru, www.soundekb.ru and xn--80aegbkafjxnp4byi.xn--p1ai share IP numbers with studia33.ru.
Name Servers
studia33.ru is delegated to four name servers: ns1.netangels.ru, ns2.netangels.ru, ns3.netangels.ru and ns4.netangels.ru.
At least part of the name servers for studia33.ru are shared with other domains, for instance amurkab.ru, connfly.ru, mira-stroy.ru, raster.ru and innhouse.ru.
Host names with one IP: ns1.netangels.ru points to 91.201.54.2; ns2.netangels.ru points to 91.201.52.2; ns3.netangels.ru points to 45.86.39.2; ns4.netangels.ru points to 80.87.101.2.
Mail Servers
studia33.ru is handled by two mail servers: mx0.studia33.ru and mx1.studia33.ru.
Hostnames with a single IP
mx0.studia33.ru resolves to: 91.201.54.7.
mx1.studia33.ru resolves to: 91.201.54.8.