btr.su - dns.ninja
btr.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@btr.su 2026-04-14 #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=650209952 | ||||||
Subdomains
www.btr.su |
Same first word
Similar names
DNS History
12 records (3 active, 9 former)
○NSitrussia.ru2016-12-06 → 2017-07-24 · 5 obs
● 2016-12-06 20:20:10
● 2017-07-24 13:40:16
○ 2026-02-20 06:09:20
○ 2026-07-24 11:14:34
○NSns1.itrussia.ru2016-12-06 → 2017-07-24 · 5 obs
● 2016-12-06 20:20:10
● 2017-07-24 13:40:16
○ 2026-02-20 06:09:20
○ 2026-07-24 11:14:34
●NSns1.rf.ru2026-02-20 → 2026-07-24 · 3 obs
● 2026-02-20 06:09:20
● 2026-07-24 11:14:34
○NSns2.itrussia.ru2016-12-06 → 2017-07-24 · 5 obs
● 2016-12-06 20:20:10
● 2017-07-24 13:40:16
○ 2026-02-20 06:09:20
○ 2026-07-24 11:14:34
●NSns2.rf.ru2026-02-20 → 2026-07-24 · 3 obs
● 2026-02-20 06:09:20
● 2026-07-24 11:14:34
○NSparking1.nic.ru2015-06-20 → 2016-02-13 · 4 obs
● 2016-02-13 03:09:00
○ 2016-05-06 18:55:22
○ 2026-07-24 11:14:34
○NSparking2.nic.ru2015-06-20 → 2016-02-13 · 4 obs
● 2016-02-13 03:09:00
○ 2016-05-06 18:55:22
○ 2026-07-24 11:14:34
○MXmx.itvita.ru2016-12-06 → 2017-07-24 · 4 obs
● 2017-07-24 13:40:16
○ 2026-02-20 06:09:20
○ 2026-07-24 11:14:34
○A213.248.46.252016-12-06 → 2017-07-24 · 5 obs
● 2016-12-06 20:20:10
● 2017-07-24 13:40:16
○ 2026-02-20 06:09:20
○ 2026-07-24 11:14:34
○A5.188.131.102026-02-20 → 2026-04-14 · 5 obs
● 2026-02-20 06:09:20
● 2026-04-14 17:04:14
○ 2026-04-30 07:53:30
○ 2026-07-24 11:14:34
●A82.97.243.1072026-04-30 → 2026-07-24 · 3 obs
● 2026-04-30 07:53:30
● 2026-07-24 11:14:34
○A91.195.240.932015-06-20 → 2016-02-13 · 4 obs
● 2016-02-13 03:09:00
○ 2016-05-06 18:55:22
○ 2026-07-24 11:14:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| btr.su | ns2.rf.ru, ns1.rf.ru | - |
✅ Authoritative Response
Server:80.249.147.221
NS records: ns2.rf.ru, ns1.rf.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for btr.su (unsigned zone)
⏱️ Timing
Total: 889ms | 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.btr.su |
Analysis
Hierarchy
The domain www.btr.su falls under the parent btr.su.
IP Addresses
btr.su resolves to just one IP address, 82.97.243.107.
Two other host names, along with systemmed.ru, ns2.rbd.su and my-thai.ru, also share IP numbers with btr.su.
Name Servers
DNS delegation for btr.su points to two name servers: ns1.rf.ru and ns2.rf.ru.
btr.su shares its NS records with other domains, for example xpg.ru, avino.ru, nezigar.ru and two others.
btr.su shares at least some of its name servers with other domains, for example xn----8sbbbslgds0adp0agvn.xn--p1ai, lustory.ru, xn--c1akvi.xn--p1ai and xn--80akpggdebk4c.xn--p1ai.
It is common for these name servers to be used in conjunction with the name servers ns1.domeny-rf.ru, ns2.domeny-rf.ru and a.misconfigured.dns.server.invalid.
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.