dsu.su - dns.ninja
dsu.su
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650210205 | ||||||
Subdomains
www.dsu.su |
Same first word
Similar names
DNS History
17 records (12 active, 5 former)
●NSns.masterhost.ru2015-08-12 → 2026-08-14 · 2 obs
● 2026-08-14 11:59:42
●NSns1.masterhost.ru2015-08-12 → 2026-08-14 · 2 obs
● 2026-08-14 11:59:42
●NSns2.masterhost.ru2015-08-12 → 2026-08-14 · 2 obs
● 2026-08-14 11:59:42
●A2a00:15f8:a000:5:1:11:3:84812015-08-12 → 2026-08-14 · 2 obs
● 2026-08-14 11:59:42
●A2a00:15f8:a000:5:1:12:3:84812015-08-12 → 2026-08-14 · 2 obs
● 2026-08-14 11:59:42
●A2a00:15f8:a000:5:1:13:3:84812015-08-12 → 2026-08-14 · 2 obs
● 2026-08-14 11:59:42
●A2a00:15f8:a000:5:1:14:3:84812015-08-12 → 2026-08-14 · 2 obs
● 2026-08-14 11:59:42
○A90.156.201.1012015-08-12 → 2017-10-01 · 4 obs
● 2017-10-01 09:36:30
○ 2020-12-29 02:23:18
○ 2026-08-14 11:59:42
●A90.156.201.1142020-12-29 → 2026-08-14 · 3 obs
● 2020-12-29 02:23:18
● 2026-08-14 11:59:42
○A90.156.201.1172017-10-01 → 2017-10-01 · 4 obs
● 2017-10-01 09:36:30
○ 2020-12-29 02:23:18
○ 2026-08-14 11:59:42
○A90.156.201.122015-08-12 → 2017-10-01 · 4 obs
● 2017-10-01 09:36:30
○ 2020-12-29 02:23:18
○ 2026-08-14 11:59:42
●A90.156.201.312020-12-29 → 2026-08-14 · 3 obs
● 2020-12-29 02:23:18
● 2026-08-14 11:59:42
●A90.156.201.442020-12-29 → 2026-08-14 · 3 obs
● 2020-12-29 02:23:18
● 2026-08-14 11:59:42
○A90.156.201.682015-08-12 → 2017-01-01 · 4 obs
● 2017-01-01 18:57:44
○ 2017-10-01 09:36:30
○ 2026-08-14 11:59:42
●A90.156.201.842020-12-29 → 2026-08-14 · 3 obs
● 2020-12-29 02:23:18
● 2026-08-14 11:59:42
○A90.156.201.872015-08-12 → 2017-10-01 · 4 obs
● 2017-10-01 09:36:30
○ 2020-12-29 02:23:18
○ 2026-08-14 11:59:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | d.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net, c.tld-servers.ru... | 12 records |
| dsu.su | ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru | - |
✅ Authoritative Response
Server:90.156.136.116
NS records: ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dsu.su (unsigned zone)
⏱️ Timing
Total: 1953ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 90.156.201.84, 90.156.201.31... |
| AAAA | 4 | 2a00:15f8:a000:5:1:11:3:8481, 2a00:15f8:a000:5:1:13:3:8481... |
| NS | 3 | ns1.masterhost.ru, ns.masterhost.ru... |
| MX | 1 | mx.yandex.ru (pri: 10) |
| TXT | 2 | yandex-verification: 268a9890aeaaf470, v=spf1 redirect=_spf.yandex.net |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
dsu.su serves as the parent of www.dsu.su.
IP Addresses
dsu.su points to 8 IP addresses, including 90.156.201.31, 90.156.201.44 and 90.156.201.84, plus 5 other.
airush.ru, yarplaneta.ru, grisha.su plus two other host names have IP numbers in common with dsu.su.
Name Servers
dsu.su has three name servers — ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.
dsu.su has at least partial name server overlap with other domains, such as snabtex.net, xn--80aaabgwnfjh8a3au.xn--p1ai, ingeneriya.ru and two others.
Each of ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru points to two IP numbers. ns1.masterhost.ru points to 90.156.137.50 and 2a00:15f8:a000:11:1:1:1:53. ns2.masterhost.ru points to 90.156.133.161 and 2a00:15f8:a000:12:1:1:2:53. ns.masterhost.ru points to 90.156.136.116 and 2a00:15f8:a000:10:1:1:0:53.
Mail Servers
dsu.su uses one mail server — mx.yandex.ru.
The mail server setup of dsu.su matches that of other domains such as marxengels.ru, eshreder.me, irinaguseva.ru and two others.
At least some of the mail servers used by dsu.su are shared with other domains: eximius.ru, praktikum.yandex.ru, idealideas.ru and two others among them.
These mail servers tend to be used in conjunction with the mail servers mx.yandex.net.
mx.yandex.ru has two IP addresses: 77.88.21.249 and 2a02:6b8::311.