dextra.su - dns.ninja
dextra.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 87.242.73.163🇷🇺 MASTERHOST-AS87.242.73.0/24 | ||||||
| NS | ns2.masterhost.ru ⭐ | ||||||
| A | 2a00:15f8:a000:12:1:1:2:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns2.masterhost.ru | ||||||
| A | 90.156.133.161🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| NS | ns.masterhost.ru | ||||||
| A | 2a00:15f8:a000:10:1:1:0:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns.masterhost.ru | ||||||
| A | 90.156.136.116🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| NS | ns1.masterhost.ru | ||||||
| A | 2a00:15f8:a000:11:1:1:1:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns1.masterhost.ru | ||||||
| A | 90.156.137.50🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| 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 include:_spf.yandex.net a mx ~all | ||||||
| SOA | ns1.masterhost.ruhostmaster@masterhost.ru serial=1723615842 | ||||||
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=650209655 | ||||||
Previously NS for
dextra.su |
Subdomains
ns.dextra.su |
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
○NSdextra.su2015-06-06 → 2017-06-28 · 5 obs
● 2015-06-06 19:34:06
● 2017-06-28 10:03:04
○ 2026-03-07 21:59:58
○ 2026-06-29 18:25:58
○NSns.dextra.ru2009-07-04 → 2017-06-28 · 4 obs
● 2017-06-28 10:03:04
○ 2026-03-07 21:59:58
○ 2026-06-29 18:25:58
○NSns.dextra.su2009-07-04 → 2017-06-28 · 4 obs
● 2017-06-28 10:03:04
○ 2026-03-07 21:59:58
○ 2026-06-29 18:25:58
●NSns.masterhost.ru2026-03-07 → 2026-06-29 · 3 obs
● 2026-03-07 21:59:58
● 2026-06-29 18:25:58
●NSns1.masterhost.ru2026-03-07 → 2026-06-29 · 3 obs
● 2026-03-07 21:59:58
● 2026-06-29 18:25:58
●NSns2.masterhost.ru2026-03-07 → 2026-06-29 · 3 obs
● 2026-03-07 21:59:58
● 2026-06-29 18:25:58
○MXmail.dextra.ru2009-07-04 → 2017-06-28 · 4 obs
● 2017-06-28 10:03:04
○ 2026-03-07 21:59:58
○ 2026-06-29 18:25:58
●MXmx.yandex.net2026-03-07 → 2026-06-29 · 6 obs
● 2026-03-07 21:59:58
● 2026-06-03 10:52:22
○ 2026-06-07 16:42:16
● 2026-06-09 00:21:42
● 2026-06-29 18:25:58
○A217.16.26.602016-04-10 → 2017-06-28 · 5 obs
● 2016-04-10 12:42:40
● 2017-06-28 10:03:04
○ 2026-03-07 21:59:58
○ 2026-06-29 18:25:58
○A217.16.27.1952015-06-06 → 2016-02-16 · 5 obs
● 2015-06-06 19:34:06
● 2016-02-16 04:24:02
○ 2016-04-10 12:42:40
○ 2026-06-29 18:25:58
○A217.16.28.1912009-07-04 → 2009-07-04 · 3 obs
○ 2015-06-06 19:34:06
○ 2026-06-29 18:25:58
●A87.242.73.1632026-03-07 → 2026-06-29 · 6 obs
● 2026-03-07 21:59:58
● 2026-06-03 10:52:22
○ 2026-06-07 16:42:16
● 2026-06-09 00:21:42
● 2026-06-29 18:25:58
🔍 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 |
| dextra.su | ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru | - |
✅ Authoritative Response
Server:90.156.133.161
NS records: ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dextra.su (unsigned zone)
⏱️ Timing
Total: 3546ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.242.73.163 |
| NS | 3 | ns1.masterhost.ru, ns2.masterhost.ru... |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.yandex.net a mx ~all |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (b.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net...)
Analysis
Hierarchy
dextra.su is the parent zone for ns.dextra.su.
IP Addresses
dextra.su has exactly one IP address — 87.242.73.163.
Name Servers
dextra.su is delegated to three name servers: ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.
dextra.su partially shares its NS delegation with several other domains, including 10040.ru, nsl13.ru, artshtuchki.ru and two others.
ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru each resolve to two IP addresses: ns1.masterhost.ru resolves to 90.156.137.50 and 2a00:15f8:a000:11:1:1:1:53; ns2.masterhost.ru resolves to 90.156.133.161 and 2a00:15f8:a000:12:1:1:2:53; ns.masterhost.ru resolves to 90.156.136.116 and 2a00:15f8:a000:10:1:1:0:53.
Mail Servers
dextra.su uses one mail server — mx.yandex.net.
The mail server setup of dextra.su matches that of other domains such as ayperelektrik.com.tr, proconsalt.com, sakhpost.ru and two others.
dextra.su shares mail servers with at least some other domains, such as agroapteka.ru, bankingprep.com and smm-lab.xyz.
The host mx.yandex.net resolves to 77.88.21.249 and 2a02:6b8::311 — two IP addresses.