a2-system.ru - robtex.com
a2-system.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 176.57.65.91🇧🇦 DDOS-GUARD176.57.64.0/23 | ||||||
| NS | korolev.nvhost.ru ⭐ | ||||||
| A | 91.199.149.115🇷🇺 ADMAN-AS91.199.149.0/24 ADMAN-NET | ||||||
| PTR | korolev.nvhost.ru | ||||||
| NS | ns.nvhost.ru | ||||||
| A | 185.87.194.251🇷🇺 EUROBYTE185.87.194.0/24 | ||||||
| PTR | hosted-by.ihc.ru | ||||||
| MX | mail.a2-system.ru ⭐ | ||||||
| A | 91.199.149.115🇷🇺 ADMAN-AS91.199.149.0/24 ADMAN-NET | ||||||
| PTR | korolev.nvhost.ru | ||||||
| MX | mail1.a2-system.ru(20) | ||||||
| A | 109.202.30.18🇷🇺 AVANTEL-AS109.202.24.0/21 JSC Avantel. Novosibirsk network | ||||||
| PTR | mail1.a2-system.ru | ||||||
| TXT | v=spf1 a mx ip4:109.202.30.18 ip4:91.199.149.115 -all | ||||||
| TXT | _globalsign-domain-verification=Yo5kUo17FakWnmb-jwlX6R38sO-jnN1tRoO6f3mUGf | ||||||
| SOA | korolev.nvhost.ruroot@example.com 2024-12-21 #52 | ||||||
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=4068303 | ||||||
Subdomains
Same first word
a2-system.ru |
DNS History
13 records (5 active, 8 former)
○NSbetanew.nvhost.ru2015-05-13 → 2016-07-19 · 4 obs
● 2016-07-19 16:35:18
○ 2020-01-28 11:50:48
○ 2026-03-28 05:34:58
●NSkorolev.nvhost.ru2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 05:22:22
● 2026-03-28 05:34:58
●NSns.nvhost.ru2020-01-28 → 2026-03-28 · 3 obs
● 2020-01-28 11:50:48
● 2026-03-28 05:34:58
○NSns1.moinet.ru2015-05-13 → 2016-07-19 · 4 obs
● 2016-07-19 16:35:18
○ 2020-01-28 11:50:48
○ 2026-03-28 05:34:58
○NSns2.moinet.ru2015-05-13 → 2016-07-19 · 4 obs
● 2016-07-19 16:35:18
○ 2020-01-28 11:50:48
○ 2026-03-28 05:34:58
○NSns2.nvhost.ru2020-01-28 → 2020-01-28 · 4 obs
● 2020-01-28 11:50:48
○ 2026-03-26 05:22:22
○ 2026-03-28 05:34:58
○NSvolt.nvhost.ru2020-01-28 → 2020-01-28 · 4 obs
● 2020-01-28 11:50:48
○ 2026-03-26 05:22:22
○ 2026-03-28 05:34:58
●MXmail.a2-system.ru2015-05-13 → 2026-03-28 · 5 obs
● 2016-07-19 16:35:18
○ 2020-01-28 11:50:48
● 2026-03-26 05:22:22
● 2026-03-28 05:34:58
●MXmail1.a2-system.ru2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 05:22:22
● 2026-03-28 05:34:58
○MXmx.yandex.net2020-01-28 → 2020-01-28 · 4 obs
● 2020-01-28 11:50:48
○ 2026-03-26 05:22:22
○ 2026-03-28 05:34:58
●A176.57.65.912026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 05:22:22
● 2026-03-28 05:34:58
○A91.227.68.342020-01-28 → 2020-01-28 · 4 obs
● 2020-01-28 11:50:48
○ 2026-03-26 05:22:22
○ 2026-03-28 05:34:58
○A91.227.68.422015-05-13 → 2016-07-19 · 4 obs
● 2016-07-19 16:35:18
○ 2020-01-28 11:50:48
○ 2026-03-28 05:34:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| a2-system.ru | ns.nvhost.ru, korolev.nvhost.ru | 1 record |
✅ Authoritative Response
Server:185.87.194.251
NS records: ns.nvhost.ru, korolev.nvhost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a2-system.ru (unsigned zone)
⏱️ Timing
Total: 1285ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 176.57.65.91 |
| NS | 2 | ns.nvhost.ru, korolev.nvhost.ru |
| MX | 2 | mail1.a2-system.ru (pri: 10), mail.a2-system.ru (pri: 20) |
| TXT | 2 | _globalsign-domain-verification=Yo5kUo17, v=spf1 a mx ip4:109.202.30.18 ip4:91.199 |
| SOA | 1 | korolev.nvhost.ru root.example.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns.nvhost.ru)
Analysis
Hierarchy
a2-system.ru is a parent of mail1.a2-system.ru and mail.a2-system.ru.
IP Addresses
a2-system.ru resolves to one IP number: 176.57.65.91.
Other host names, for instance 1000d.ru, pracooking.ru, discoklub.com, www.alums.ru and pedmaster.ru share IP numbers with a2-system.ru.
Name Servers
a2-system.ru's delegation uses two name servers: korolev.nvhost.ru and ns.nvhost.ru.
The name server setup for a2-system.ru is the same as for other domains, such as clicktomania.ru, uor-nsk.ru, no-tssr.ru and evnikagk.ru.
a2-system.ru at least partially shares name servers with other domains, including artemovskadm.ru, jaluzetta.ru, plitkagora.ru, mochaleevka.ru and viaprim.com.
These name servers are commonly used with ns2.nvhost.ru, status.nvhost.ru, epsilon.nvhost.ru, sirius.nvhost.ru, ns3.nvhost.ru, status, ns7.nvhost.ru and ns1.nvhost.ru.
Host names with a single IP address: korolev.nvhost.ru points to 91.199.149.115; ns.nvhost.ru points to 185.87.194.251.
Mail Servers
a2-system.ru is served by two mail servers mail1.a2-system.ru and mail.a2-system.ru.
Host names with a single IP address: mail1.a2-system.ru points to 109.202.30.18; mail.a2-system.ru points to 91.199.149.115.