cheat-sheets.ru - dns.ninja
cheat-sheets.ru
ru
| 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=4069951 | ||||||
Same first word
DNS History
16 records (11 active, 5 former)
●NSns.masterhost.ru2015-08-12 → 2026-08-11 · 2 obs
● 2026-08-11 18:08:34
●NSns1.masterhost.ru2015-08-12 → 2026-08-11 · 2 obs
● 2026-08-11 18:08:34
●NSns2.masterhost.ru2015-08-12 → 2026-08-11 · 2 obs
● 2026-08-11 18:08:34
●A2a00:15f8:a000:5:1:11:6:bd792015-08-12 → 2026-08-11 · 2 obs
● 2026-08-11 18:08:34
●A2a00:15f8:a000:5:1:12:6:bd792015-08-12 → 2026-08-11 · 2 obs
● 2026-08-11 18:08:34
●A2a00:15f8:a000:5:1:13:6:bd792015-08-12 → 2026-08-11 · 2 obs
● 2026-08-11 18:08:34
●A2a00:15f8:a000:5:1:14:6:bd792015-08-12 → 2026-08-11 · 2 obs
● 2026-08-11 18:08:34
○A90.156.201.1002015-08-12 → 2018-09-12 · 4 obs
● 2018-09-12 09:35:06
○ 2026-02-28 22:40:58
○ 2026-08-11 18:08:34
○A90.156.201.112018-09-12 → 2018-09-12 · 4 obs
● 2018-09-12 09:35:06
○ 2026-02-28 22:40:58
○ 2026-08-11 18:08:34
●A90.156.201.1142026-02-28 → 2026-08-11 · 3 obs
● 2026-02-28 22:40:58
● 2026-08-11 18:08:34
●A90.156.201.1172026-02-28 → 2026-08-11 · 3 obs
● 2026-02-28 22:40:58
● 2026-08-11 18:08:34
○A90.156.201.152015-08-12 → 2016-12-23 · 4 obs
● 2016-12-23 07:32:12
○ 2018-09-12 09:35:06
○ 2026-08-11 18:08:34
●A90.156.201.322026-02-28 → 2026-08-11 · 3 obs
● 2026-02-28 22:40:58
● 2026-08-11 18:08:34
●A90.156.201.802026-02-28 → 2026-08-11 · 3 obs
● 2026-02-28 22:40:58
● 2026-08-11 18:08:34
○A90.156.201.882015-08-12 → 2018-09-12 · 4 obs
● 2018-09-12 09:35:06
○ 2026-02-28 22:40:58
○ 2026-08-11 18:08:34
○A90.156.201.982015-08-12 → 2018-09-12 · 4 obs
● 2018-09-12 09:35:06
○ 2026-02-28 22:40:58
○ 2026-08-11 18:08:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net... | - |
| cheat-sheets.ru | 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 cheat-sheets.ru (unsigned zone)
⏱️ Timing
Total: 2947ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 90.156.201.80, 90.156.201.117... |
| AAAA | 4 | 2a00:15f8:a000:5:1:11:6:bd79, 2a00:15f8:a000:5:1:13:6:bd79... |
| NS | 3 | ns1.masterhost.ru, ns.masterhost.ru... |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
Analysis
IP Addresses
cheat-sheets.ru has 8 IP addresses — 90.156.201.32, 90.156.201.80, 90.156.201.114 and 5 more.
pack.su, s-holod72.ru, entheo.ru and two other host names share IP numbers with cheat-sheets.ru.
Name Servers
cheat-sheets.ru carries NS records delegating to ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.
There is at least partial name server overlap between cheat-sheets.ru and other domains — kohteht.ru, prohorihina.ru, del-print.ru and two more among them.
ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru are three hostnames that each resolve to a pair of IP addresses: ns1.masterhost.ru to 90.156.137.50 and 2a00:15f8:a000:11:1:1:1:53, ns2.masterhost.ru to 90.156.133.161 and 2a00:15f8:a000:12:1:1:2:53, and ns.masterhost.ru to 90.156.136.116 and 2a00:15f8:a000:10:1:1:0:53.