biryukov.su - robtex.com
biryukov.su
su
| 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=650208871 | ||||||
Subdomains
Same first word
DNS History
15 records (6 active, 9 former)
●MXmail-1.biryukov.su2026-03-15 → 2026-04-25 · 3 obs
● 2026-03-15 05:09:28
● 2026-04-25 17:37:24
●MXmail-2.biryukov.su2026-03-15 → 2026-04-25 · 3 obs
● 2026-03-15 05:09:28
● 2026-04-25 17:37:24
●MXmail-3.biryukov.su2026-03-15 → 2026-04-25 · 3 obs
● 2026-03-15 05:09:28
● 2026-04-25 17:37:24
○MXmail.biryukov.su2015-06-07 → 2016-01-23 · 4 obs
● 2016-01-23 03:45:42
○ 2016-04-13 02:25:40
○ 2026-04-25 17:37:24
○MXmx.yandex.net2015-10-29 → 2016-04-13 · 5 obs
● 2015-10-29 08:51:08
● 2016-04-13 02:25:40
○ 2016-12-04 04:36:40
○ 2026-04-25 17:37:24
○MXmx.yandex.ru2016-12-04 → 2017-06-17 · 5 obs
● 2016-12-04 04:36:40
● 2017-06-17 04:50:32
○ 2026-03-15 05:09:28
○ 2026-04-25 17:37:24
○A103.54.17.1122026-03-15 → 2026-04-14 · 5 obs
● 2026-03-15 05:09:28
● 2026-04-14 17:43:46
○ 2026-04-25 17:37:22
○ 2026-04-25 17:37:24
○A217.107.34.422016-04-13 → 2016-04-13 · 4 obs
● 2016-04-13 02:25:40
○ 2016-12-04 04:36:40
○ 2026-04-25 17:37:24
○A2a00:b700::542016-12-04 → 2017-06-17 · 5 obs
● 2016-12-04 04:36:40
● 2017-06-17 04:50:32
○ 2026-03-15 05:09:28
○ 2026-04-25 17:37:24
○A2a0c:db40:0:8217::12026-03-15 → 2026-04-14 · 5 obs
● 2026-03-15 05:09:28
● 2026-04-14 17:43:46
○ 2026-04-25 17:37:22
○ 2026-04-25 17:37:24
○A46.17.44.542016-12-04 → 2017-06-17 · 5 obs
● 2016-12-04 04:36:40
● 2017-06-17 04:50:32
○ 2026-03-15 05:09:28
○ 2026-04-25 17:37:24
●A81.177.135.2012026-04-25 → 2026-04-25 · 3 obs
● 2026-04-25 17:37:22
● 2026-04-25 17:37:24
○A93.171.202.1852015-10-29 → 2016-01-23 · 4 obs
● 2016-01-23 03:45:42
○ 2016-04-13 02:25:40
○ 2026-04-25 17:37:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | b.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net... | 10 records |
| biryukov.su | ns2.reg.ru, ns1.reg.ru | - |
✅ Authoritative Response
Server:176.99.13.12
NS records: ns2.reg.ru, ns1.reg.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for biryukov.su (unsigned zone)
⏱️ Timing
Total: 1324ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.177.135.201 |
| NS | 2 | ns1.reg.ru, ns2.reg.ru |
| MX | 3 | mail-1.biryukov.su (pri: 6), mail-2.biryukov.su (pri: 8)... |
| TXT | 2 | v=spf1 ip4:78.110.48.0/20 -all, yandex-verification: 71cfc490cb0551d6 |
| SOA | 1 | ns1.reg.ru hostmaster.ns1.reg.ru |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (b.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net...)
Analysis
Hierarchy
biryukov.su is parent of mail-2.biryukov.su, mail-1.biryukov.su and mail-3.biryukov.su.
IP Addresses
biryukov.su points to IP number 81.177.135.201.
For instance, other host names 188-191-85-121-pool.kmsnet.ru, www.legent.ru, s-upak.ru, kmsnet.ru and xn--24-9kcdp.xn--p1ai share IP numbers with biryukov.su.
Name Servers
biryukov.su is delegated to two name servers: ns1.reg.ru and ns2.reg.ru.
biryukov.su uses the same name server setup as other domains such as coastweekend.ru, vologda.energy, dmantonov.ru, feadship.ru and lipetsk-news.net.
Host names with ten IP numbers:
ns1.reg.ru points to 2a00:f940:9::1:1, 2a00:f940:9::2:1, 176.99.13.11, 176.99.13.13, 176.99.13.15, 176.99.13.17, 194.58.117.11, 194.58.117.13, 194.58.117.15 and 194.58.117.17.
ns2.reg.ru points to 2a00:f940:9::1:2, 2a00:f940:9::2:2, 176.99.13.12, 176.99.13.14, 176.99.13.16, 176.99.13.18, 194.58.117.12, 194.58.117.14, 194.58.117.16 and 194.58.117.18.
Mail Servers
biryukov.su is served by three mail servers: mail-1.biryukov.su, mail-2.biryukov.su and mail-3.biryukov.su.
Hostnames with a single IP:
mail-3.biryukov.su resolves to 81.177.140.252.