it-sis.ru - robtex.com
it-sis.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 94.181.46.216🇷🇺 ERTH-CHEL-AS94.181.32.0/20 JSC "ER-Telecom Holding" Chelyabinsk branch Chelyabinsk, Russia | ||||||
| PTR | mail.it-sis.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 | ||||||
| A | 45.86.39.2🇷🇺 INTERNET-PRO-AS45.86.39.0/24 | ||||||
| NS | ns4.netangels.ru | ||||||
| A | 80.87.101.2🇷🇺 INTERNET-PRO-AS80.87.101.0/24 | ||||||
| MX | mail.it-sis.ru ⭐ | ||||||
| A | 94.181.46.216🇷🇺 ERTH-CHEL-AS94.181.32.0/20 JSC "ER-Telecom Holding" Chelyabinsk branch Chelyabinsk, Russia | ||||||
| PTR | mail.it-sis.ru | ||||||
| TXT | v=spf1 mx a ip4:78.29.44.39 ip4:94.181.46.216 mx:mail.it-sis.ru include:spf.s... | ||||||
| TXT | google-site-verification=CTalqPfiZKOWa_S9cHwxpIUnqCoNsYsNNb5Mq_RzMhg | ||||||
| TXT | mailru-verification: cf53325ff8554fbb | ||||||
| SOA | ns1.netangels.ruhostmaster@netangels.ru serial=1777497116 | ||||||
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=4068846 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
○NSdns1.yandex.net2018-07-07 → 2021-06-11 · 4 obs
● 2021-06-11 05:20:54
○ 2026-02-19 07:49:54
○ 2026-05-12 10:16:50
○NSdns2.yandex.net2018-07-07 → 2021-06-11 · 4 obs
● 2021-06-11 05:20:54
○ 2026-02-19 07:49:54
○ 2026-05-12 10:16:50
●NSns1.netangels.ru2026-02-19 → 2026-05-12 · 3 obs
● 2026-02-19 07:49:54
● 2026-05-12 10:16:50
●NSns2.netangels.ru2026-02-19 → 2026-05-12 · 3 obs
● 2026-02-19 07:49:54
● 2026-05-12 10:16:50
●NSns3.netangels.ru2026-02-19 → 2026-05-12 · 3 obs
● 2026-02-19 07:49:54
● 2026-05-12 10:16:50
●NSns4.netangels.ru2026-02-19 → 2026-05-12 · 3 obs
● 2026-02-19 07:49:54
● 2026-05-12 10:16:50
○NSserver.office.it-sis.ru2018-07-07 → 2018-07-07 · 3 obs
○ 2021-06-11 05:20:54
○ 2026-05-12 10:16:50
●MXmail.it-sis.ru2026-02-19 → 2026-05-12 · 3 obs
● 2026-02-19 07:49:54
● 2026-05-12 10:16:50
○MXmx.yandex.net2018-07-07 → 2021-06-11 · 4 obs
● 2021-06-11 05:20:54
○ 2026-02-19 07:49:54
○ 2026-05-12 10:16:50
○A78.29.44.392018-07-07 → 2021-06-11 · 4 obs
● 2021-06-11 05:20:54
○ 2026-02-19 07:49:54
○ 2026-05-12 10:16:50
●A94.181.46.2162026-02-19 → 2026-05-12 · 3 obs
● 2026-02-19 07:49:54
● 2026-05-12 10:16:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| it-sis.ru | ns3.netangels.ru, ns4.netangels.ru, ns1.netangels.ru, ns2.netangels.ru | 4 records |
✅ Authoritative Response
Server:91.201.54.2
NS records: ns3.netangels.ru, ns4.netangels.ru, ns1.netangels.ru, ns2.netangels.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for it-sis.ru (unsigned zone)
⏱️ Timing
Total: 994ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.181.46.216 |
| NS | 4 | ns1.netangels.ru, ns2.netangels.ru... |
| MX | 1 | mail.it-sis.ru (pri: 10) |
| TXT | 3 | v=spf1 mx a ip4:78.29.44.39 ip4:94.181.4, google-site-verification=CTalqPfiZKOWa_S... |
| SOA | 1 | ns1.netangels.ru hostmaster.netangels.ru |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns4.netangels.ru, ns3.netangels.ru, ns2.netangels.ru...)
Analysis
Hierarchy
it-sis.ru is parent of office.it-sis.ru and mail.it-sis.ru.
IP Addresses
it-sis.ru resolves to a single IP address: 94.181.46.216.
Other host names, such as mail.it-sis.ru and office.it-sis.ru, share IP numbers with it-sis.ru.
Name Servers
it-sis.ru is delegated to four name servers: ns1.netangels.ru, ns2.netangels.ru, ns3.netangels.ru and ns4.netangels.ru.
it-sis.ru at least partially shares name servers with other domains, including vm-66f071be.na4u.ru, vm-17475932.na4u.ru, diamer.ru, delruss.ru and projectabove.com.
Hostnames with a single 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
it-sis.ru is handled by a single mail server, mail.it-sis.ru.
mail.it-sis.ru points to a single IP: 94.181.46.216.