sfa.su - dns.ninja
sfa.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 | 1RHu5HFTnsoiz9fXiL7wNgrP9O0rkHVjD7gAy3vcLxjXq94TU6 | ||||||
| SOA | ns1.rf.ruhostmaster@sfa.su 2026-04-15 #4 | ||||||
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=650209864 | ||||||
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
○NSns1.poishi.com2015-09-02 → 2017-09-14 · 4 obs
● 2017-09-14 19:37:36
○ 2026-02-18 03:21:30
○ 2026-07-17 04:56:24
●NSns1.rf.ru2026-02-18 → 2026-07-17 · 3 obs
● 2026-02-18 03:21:30
● 2026-07-17 04:56:24
○NSns2.poishi.com2015-09-02 → 2017-09-14 · 4 obs
● 2017-09-14 19:37:36
○ 2026-02-18 03:21:30
○ 2026-07-17 04:56:24
●NSns2.rf.ru2026-02-18 → 2026-07-17 · 3 obs
● 2026-02-18 03:21:30
● 2026-07-17 04:56:24
○A5.188.131.102026-02-18 → 2026-04-06 · 5 obs
● 2026-02-18 03:21:30
● 2026-04-06 10:08:12
○ 2026-04-09 12:50:56
○ 2026-07-17 04:56:24
●A82.97.243.1072026-05-25 → 2026-07-17 · 3 obs
● 2026-05-25 22:49:10
● 2026-07-17 04:56:24
○A82.98.86.1662015-09-02 → 2017-09-14 · 4 obs
● 2017-09-14 19:37:36
○ 2026-02-18 03:21:30
○ 2026-07-17 04:56:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | e.dns.ripn.net, f.dns.ripn.net, d.dns.ripn.net, b.dns.ripn.net... | 10 records |
| sfa.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 sfa.su (unsigned zone)
⏱️ Timing
Total: 1301ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 82.97.243.107 |
| NS | 2 | ns1.rf.ru, ns2.rf.ru |
| TXT | 1 | 1RHu5HFTnsoiz9fXiL7wNgrP9O0rkHVjD7gAy3vc |
| SOA | 1 | ns1.rf.ru hostmaster.sfa.su |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
IP Addresses
sfa.su points to a single IP number: 82.97.243.107.
Additional host names — alnex.ru, 61avto.ru, 1yv.ru and two others — share IP numbers with sfa.su.
Name Servers
sfa.su is delegated to two name servers: ns1.rf.ru and ns2.rf.ru.
sfa.su shares its name server setup with other domains, including noms.ru, kurs-seo.ru, expoauto.ru and two others.
At least some of sfa.su's name servers are shared with other domains, for example xn--80af0ahbnjw.xn--p1ai and odnaklasniki.ru.
These name servers tend to be deployed in combination with the name servers ns1.domeny-rf.ru and ns2.domeny-rf.ru.
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.