a4hd.ru - robtex.com
a4hd.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.107.124.205🇷🇺 RU-JSCIOT91.107.120.0/21 | ||||||
| PTR | rost.fvds.ru | ||||||
| NS | yakutsk.ens.mail.ru ⭐ | ||||||
| A | 217.69.139.164🇷🇺 VK-AS217.69.128.0/20 Moscow region | ||||||
| PTR | ns2.ens.mail.ru | ||||||
| NS | sarapul.ens.mail.ru | ||||||
| A | 94.100.180.238🇷🇺 VK-AS94.100.176.0/20 Moscow region | ||||||
| PTR | ns1.ens.mail.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 | yakutsk.ens.mail.rusupport@biz.mail.ru 2023-11-29 #3 | ||||||
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=4068289 | ||||||
Subdomains
www.a4hd.ru |
Same first word
a4hd.ru |
Similar names
DNS History
8 records (4 active, 4 former)
○NSfirstvds.ru2020-03-07 → 2020-03-07 · 3 obs
○ 2026-03-08 07:52:56
○ 2026-03-27 02:20:54
○NSns1.firstvds.ru2020-03-07 → 2020-03-07 · 3 obs
○ 2026-03-08 07:52:56
○ 2026-03-27 02:20:54
○NSns2.firstvds.ru2020-03-07 → 2020-03-07 · 3 obs
○ 2026-03-08 07:52:56
○ 2026-03-27 02:20:54
●NSsarapul.ens.mail.ru2026-03-08 → 2026-03-27 · 3 obs
● 2026-03-08 07:52:56
● 2026-03-27 02:20:54
●NSyakutsk.ens.mail.ru2026-03-08 → 2026-03-27 · 3 obs
● 2026-03-08 07:52:56
● 2026-03-27 02:20:54
●MXmx.yandex.net2020-03-07 → 2026-03-27 · 2 obs
● 2026-03-27 02:20:54
○A62.109.23.482020-03-07 → 2020-03-07 · 3 obs
○ 2026-03-08 07:52:56
○ 2026-03-27 02:20:54
●A91.107.124.2052026-03-08 → 2026-03-27 · 3 obs
● 2026-03-08 07:52:56
● 2026-03-27 02:20:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | b.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net, a.dns.ripn.net... | 10 records |
| a4hd.ru | sarapul.ens.mail.ru, yakutsk.ens.mail.ru | - |
✅ Authoritative Response
Server:217.69.139.164
NS records: sarapul.ens.mail.ru, yakutsk.ens.mail.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a4hd.ru (unsigned zone)
⏱️ Timing
Total: 1398ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.107.124.205 |
| NS | 2 | sarapul.ens.mail.ru, yakutsk.ens.mail.ru |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.yandex.net |
| SOA | 1 | yakutsk.ens.mail.ru support.biz.mail.ru |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
a4hd.ru is parent of www.a4hd.ru.
IP Addresses
a4hd.ru points to a single IP: 91.107.124.205.
Other host names, for instance www.a4hd.ru, share IP numbers with a4hd.ru.
Name Servers
a4hd.ru's delegation is to two name servers sarapul.ens.mail.ru and yakutsk.ens.mail.ru.
a4hd.ru uses the same name server setup as other domains, including kzti.kz, kambox.ru, itcls.ru and sa-m.ru.
a4hd.ru at least partially shares its name servers with other domains, for instance aumail.ru, 1py.ru, bk-stavki.ru, electro-chel.ru and minzdravur.ru.
These name servers are commonly used with votkinsk.ens.mail.ru, lipetsk.ens.mail.ru, kemerovo.ens.mail.ru, podolsk.ens.mail.ru, norilsk.ens.mail.ru, rostov.ens.mail.ru, vologda.ens.mail.ru, biysk.ens.mail.ru, ukhta.ens.mail.ru and kolomna.ens.mail.ru.
Host names with a single IP:
sarapul.ens.mail.ru resolves to 94.100.180.238.
yakutsk.ens.mail.ru resolves to 217.69.139.164.
Mail Servers
a4hd.ru is served by a single mail server, mx.yandex.net.
a4hd.ru uses the same mail server setup as other domains such as okoplus.ru, tech4net.ru, bagiratour.com, cloudfilter.xyz and siararetreat.in.
a4hd.ru shares some mail servers with other domains, including partystore.games, mapryal.org, braincamp.ru, hastinmakina.com and turuncoglu.com.
Hostname mx.yandex.net resolves to two IPs: 2a02:6b8::311 and 77.88.21.249.