esf.su - dns.ninja
esf.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@esf.su 2026-04-15 #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=650210232 | ||||||
Subdomains
mail.esf.su |
Same first word
Similar names
DNS History
12 records (3 active, 9 former)
○NSdns1.yandex.net2017-09-07 → 2020-12-25 · 5 obs
● 2017-09-07 18:08:46
● 2020-12-25 17:34:02
○ 2021-10-31 18:19:44
○ 2026-08-16 18:25:40
○NSdns2.yandex.net2017-09-07 → 2020-12-25 · 5 obs
● 2017-09-07 18:08:46
● 2020-12-25 17:34:02
○ 2021-10-31 18:19:44
○ 2026-08-16 18:25:40
○NSns1.reg.ru2015-06-17 → 2017-07-13 · 4 obs
● 2017-07-13 07:18:06
○ 2017-09-07 18:08:46
○ 2026-08-16 18:25:40
●NSns1.rf.ru2021-10-31 → 2026-08-16 · 3 obs
● 2021-10-31 18:19:44
● 2026-08-16 18:25:40
○NSns2.reg.ru2015-06-17 → 2017-07-13 · 4 obs
● 2017-07-13 07:18:06
○ 2017-09-07 18:08:46
○ 2026-08-16 18:25:40
●NSns2.rf.ru2021-10-31 → 2026-08-16 · 3 obs
● 2021-10-31 18:19:44
● 2026-08-16 18:25:40
○MXmail.esf.su2015-06-17 → 2017-07-13 · 4 obs
● 2017-07-13 07:18:06
○ 2017-09-07 18:08:46
○ 2026-08-16 18:25:40
○MXmx.yandex.net2017-09-07 → 2020-12-25 · 5 obs
● 2017-09-07 18:08:46
● 2020-12-25 17:34:02
○ 2021-10-31 18:19:44
○ 2026-08-16 18:25:40
○MXmx.yandex.ru2015-06-17 → 2017-07-13 · 4 obs
● 2017-07-13 07:18:06
○ 2017-09-07 18:08:46
○ 2026-08-16 18:25:40
○A195.34.238.1982015-06-17 → 2020-12-25 · 4 obs
● 2020-12-25 17:34:02
○ 2021-10-31 18:19:44
○ 2026-08-16 18:25:40
○A5.188.131.102021-10-31 → 2026-04-13 · 5 obs
● 2021-10-31 18:19:44
● 2026-04-13 15:33:50
○ 2026-04-16 10:50:54
○ 2026-08-16 18:25:40
●A82.97.243.1072026-04-16 → 2026-08-16 · 3 obs
● 2026-04-16 10:50:54
● 2026-08-16 18:25:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | e.dns.ripn.net, c.tld-servers.ru, b.dns.ripn.net, a.dns.ripn.net... | 12 records |
| esf.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 esf.su (unsigned zone)
⏱️ Timing
Total: 1091ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 82.97.243.107 |
| NS | 2 | ns2.rf.ru, ns1.rf.ru |
| TXT | 1 | 1RHu5HFTnsoiz9fXiL7wNgrP9O0rkHVjD7gAy3vc |
| SOA | 1 | ns1.rf.ru hostmaster.esf.su |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
esf.su serves as the parent of mail.esf.su.
IP Addresses
esf.su has exactly one IP address — 82.97.243.107.
ns2.775.xn--p1ai, delta-group.ru, www.tandem.su plus two other host names have IP numbers in common with esf.su.
Name Servers
DNS delegation for esf.su points to two name servers: ns1.rf.ru and ns2.rf.ru.
The name server configuration of esf.su is shared with other domains, for instance dqj.ru, visatour.ru, (0x65726f746963)-club.ru and two others.
esf.su has a partial name server overlap with other domains — among them garant-logistic.ru and xn--80aabf7bt1af.xn--p1ai.
Both ns1.rf.ru and ns2.rf.ru have a single IP address, 80.249.147.221, and share it.
Host names pointing to 80.249.147.221 IP addresses: ns1.rf.ru and ns2.rf.ru.