bison.su - dns.ninja
bison.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 82.146.52.202🇷🇺 RU-JSCIOT82.146.52.0/23 | ||||||
| PTR | flasper1.fvds.ru | ||||||
| NS | flasper1.fvds.ru ⭐ | ||||||
| A | 82.146.52.202🇷🇺 RU-JSCIOT82.146.52.0/23 | ||||||
| PTR | flasper1.fvds.ru | ||||||
| NS | ns1.example.com ⚠️ Not in parent delegation | ||||||
| NS | ns1.firstvds.ru ⚠️ Not in zone NS records | ||||||
| A | 2a01:230:2:74::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 82.146.43.2🇷🇺 RU-JSCIOT82.146.40.0/21 | ||||||
| PTR | ns1.firstvds.ru | ||||||
| NS | ns2.example.com ⚠️ Not in parent delegation | ||||||
| NS | ns2.firstvds.ru ⚠️ Not in zone NS records | ||||||
| A | 2a01:230:2:75::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 94.250.248.160🇷🇺 RU-JSCIOT94.250.248.0/23 | ||||||
| PTR | ns2.firstvds.ru | ||||||
| MX | mail.bison.su ⭐ | ||||||
| A | 82.146.52.202🇷🇺 RU-JSCIOT82.146.52.0/23 | ||||||
| PTR | flasper1.fvds.ru | ||||||
| TXT | v=spf1 ip4:185.248.102.76 a mx ~all | ||||||
| SOA | flasper1.fvds.ruroot@flasper1.fvds.ru 2025-12-20 #18 | ||||||
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=650210082 | ||||||
⚠️ On DNS blocklist: spam-tlds
Subdomains
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
●NSflasper1.fvds.ru2026-03-16 → 2026-08-04 · 3 obs
● 2026-03-16 15:17:08
● 2026-08-04 06:00:04
●NSns1.example.com2026-03-16 → 2026-08-04 · 3 obs
● 2026-03-16 15:17:08
● 2026-08-04 06:00:04
●NSns1.firstvds.ru2026-03-16 → 2026-08-04 · 3 obs
● 2026-03-16 15:17:08
● 2026-08-04 06:00:04
○NSns1.ihc.ru2015-06-17 → 2016-11-20 · 4 obs
● 2016-11-20 01:44:04
○ 2020-01-22 10:06:48
○ 2026-08-04 06:00:04
○NSns1.ipserver.su2020-01-22 → 2020-01-22 · 4 obs
● 2020-01-22 10:06:48
○ 2026-03-16 15:17:08
○ 2026-08-04 06:00:04
●NSns2.example.com2026-03-16 → 2026-08-04 · 3 obs
● 2026-03-16 15:17:08
● 2026-08-04 06:00:04
●NSns2.firstvds.ru2026-03-16 → 2026-08-04 · 3 obs
● 2026-03-16 15:17:08
● 2026-08-04 06:00:04
○NSns2.ihc.ru2015-06-17 → 2016-11-20 · 4 obs
● 2016-11-20 01:44:04
○ 2020-01-22 10:06:48
○ 2026-08-04 06:00:04
○NSns2.ipserver.su2020-01-22 → 2020-01-22 · 4 obs
● 2020-01-22 10:06:48
○ 2026-03-16 15:17:08
○ 2026-08-04 06:00:04
○NSres.ipserver.su.bison.su2020-01-22 → 2020-01-22 · 4 obs
● 2020-01-22 10:06:48
○ 2026-03-16 15:17:08
○ 2026-08-04 06:00:04
●MXmail.bison.su2015-06-17 → 2026-08-04 · 2 obs
● 2026-08-04 06:00:04
○A185.248.102.762020-01-22 → 2020-01-22 · 4 obs
● 2020-01-22 10:06:48
○ 2026-03-16 15:17:08
○ 2026-08-04 06:00:04
○A46.254.16.1742015-06-17 → 2016-11-20 · 4 obs
● 2016-11-20 01:44:04
○ 2020-01-22 10:06:48
○ 2026-08-04 06:00:04
●A82.146.52.2022026-03-16 → 2026-08-04 · 3 obs
● 2026-03-16 15:17:08
● 2026-08-04 06:00:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | e.dns.ripn.net, d.dns.ripn.net, c.tld-servers.ru, a.dns.ripn.net... | 12 records |
| bison.su | ns1.firstvds.ru, ns2.firstvds.ru | - |
✅ Authoritative Response
Server:82.146.43.2
NS records: ns1.firstvds.ru, ns2.firstvds.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bison.su (unsigned zone)
⏱️ Timing
Total: 1410ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 82.146.52.202 |
| NS | 2 | ns1.example.com, ns2.example.com |
| MX | 2 | mail.bison.su (pri: 10), mail.bison.su (pri: 20) |
| TXT | 1 | v=spf1 ip4:185.248.102.76 a mx ~all |
| SOA | 1 | flasper1.fvds.ru root.flasper1.fvds.ru |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
mail.bison.su and www.bison.su each fall under bison.su as their parent domain.
IP Addresses
bison.su resolves to just one IP address, 82.146.52.202.
Two other host names, along with www.gp4stv.ru, mail.weekbook.ru and vzuma.ru, also share IP numbers with bison.su.
Name Servers
bison.su delegates to five name servers: ns1.example.com, ns2.example.com, ns1.firstvds.ru and two others.
The name servers of bison.su overlap at least partially with those of other domains — among them almamater-msu.ru, bezgrusti.ru, sherif-karter.ru and two more.
These name servers commonly appear in delegations together with ns2.firstvds.ru, firstvds.ru, v751079019.local and 7 other.
Host names that have two IP addresses:
ns1.firstvds.ru directs traffic to 82.146.43.2 and 2a01:230:2:74::3.
ns2.firstvds.ru directs traffic to 94.250.248.160 and 2a01:230:2:75::3.
Host names that point to one IP address:
flasper1.fvds.ru has the IP address 82.146.52.202.
Mail Servers
The sole mail server for bison.su is mail.bison.su.
mail.bison.su directs to just one IP number, 82.146.52.202.