isk.su - dns.ninja
isk.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 82.97.243.107🇦🇺 TimeWeb-AS82.97.243.0/24 | ||||||
| NS | ns1.rf.ru ⭐ | ||||||
| A | 80.249.147.221🇷🇺 SELECTEL80.249.144.0/22 -NET | ||||||
| PTR | razina.ru | ||||||
| NS | ns2.rf.ru | ||||||
| A | 80.249.147.221🇷🇺 SELECTEL80.249.144.0/22 -NET | ||||||
| PTR | razina.ru | ||||||
| TXT | rfru=1RHu5HFTnsoiz9fXiL7wNgrP9O0rkHVjD7gAy3vcLxjXq94TU6 | ||||||
| SOA | ns1.rf.ruhostmaster@isk.su 2026-04-14 #4 | ||||||
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=650210193 | ||||||
Subdomains
mail.isk.su |
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
○NSns1.nameself.com2015-08-23 → 2017-10-07 · 4 obs
● 2017-10-07 15:38:28
○ 2020-12-11 19:01:30
○ 2026-08-13 12:31:06
●NSns1.rf.ru2026-02-18 → 2026-08-13 · 3 obs
● 2026-02-18 22:04:16
● 2026-08-13 12:31:06
○NSns2.nameself.com2015-08-23 → 2017-10-07 · 4 obs
● 2017-10-07 15:38:28
○ 2020-12-11 19:01:30
○ 2026-08-13 12:31:06
●NSns2.rf.ru2026-02-18 → 2026-08-13 · 3 obs
● 2026-02-18 22:04:16
● 2026-08-13 12:31:06
○MXmail.isk.su2015-08-23 → 2017-10-07 · 4 obs
● 2017-10-07 15:38:28
○ 2020-12-11 19:01:30
○ 2026-08-13 12:31:06
○A5.188.131.102026-02-18 → 2026-04-13 · 4 obs
● 2026-04-13 15:05:02
○ 2026-04-22 14:56:52
○ 2026-08-13 12:31:06
●A82.97.243.1072026-04-22 → 2026-08-13 · 3 obs
● 2026-04-22 14:56:52
● 2026-08-13 12:31:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net, b.dns.ripn.net... | 12 records |
| isk.su | ns1.rf.ru, ns2.rf.ru | - |
✅ Authoritative Response
Server:80.249.147.221
NS records: ns1.rf.ru, ns2.rf.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isk.su (unsigned zone)
⏱️ Timing
Total: 1425ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 82.97.243.107 |
| NS | 2 | ns1.rf.ru, ns2.rf.ru |
| TXT | 1 | rfru=1RHu5HFTnsoiz9fXiL7wNgrP9O0rkHVjD7g |
| SOA | 1 | ns1.rf.ru hostmaster.isk.su |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
mail.isk.su is delegated beneath isk.su.
IP Addresses
isk.su directs to one IP number, which is 82.97.243.107.
Among the host names that share IP numbers with isk.su are com-line.ru, kronto.ru, jo1.ru and two others.
Name Servers
isk.su is delegated to two name servers: ns1.rf.ru and ns2.rf.ru.
isk.su has the same name server delegation as a number of other domains, such as heartless.ru, mp3spb.ru, qmg.ru and two more.
There is at least partial name server overlap between isk.su and other domains — wwwodnoklassniki.ru, lta.ru, medicaments.ru and two more among them.
The name servers ns1.domeny-rf.ru, ns2.domeny-rf.ru and a.misconfigured.dns.server.invalid are often found in combination with these name servers.
ns1.rf.ru and ns2.rf.ru both resolve to the same single IP address: 80.249.147.221.
ns1.rf.ru and ns2.rf.ru are host names that each point to 80.249.147.221 IP addresses.