algorithm.tula.su - dns.ninja
algorithm.tula.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 176.57.64.248🇧🇦 DDOS-GUARD176.57.64.0/23 | ||||||
| NS | ns3-l3.nic.ru ⭐ | ||||||
| A | 193.232.146.5🇷🇺 RU-CENTER193.232.146.0/24 | ||||||
| PTR | ns3-l3.nic.ru | ||||||
| NS | ns4-l3.nic.ru | ||||||
| A | 91.217.20.5🇷🇺 RU-CENTER91.217.20.0/24 | ||||||
| PTR | ns4-l3.nic.ru | ||||||
| NS | ns8-l3.nic.ru | ||||||
| A | 91.217.21.5🇷🇺 AS3949491.217.21.0/24 | ||||||
| PTR | ns8-l3.nic.ru | ||||||
| MX | mx.yandex.net ⭐ | ||||||
| A | 2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| A | 77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| TXT | v=spf1 redirect=_spf.yandex.net | ||||||
| TXT | v=spf1 include:spf.unisender.com ~all | ||||||
| TXT | yandex-verification: 6ba2634ec14c5f46 | ||||||
| SOA | ns3-l3.nic.rudns@nic.ru 2025-05-15 #16 | ||||||
tula.su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 178.210.74.11🇷🇺 RU-CENTER178.210.64.0/20 -HOSTING | ||||||
| NS | ns3-geo.nic.ru ⭐ | ||||||
| NS | ns4-geo.nic.ru | ||||||
| NS | ns8-geo.nic.ru | ||||||
| SOA | ns3-geo.nic.ruhostmaster@nic.ru serial=407340 | ||||||
rank #85 in the tld
📈 Tranco rank: #408,388
Same first word
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●MXmx.yandex.net2026-09-06 → 2026-09-13 · 2 obs
● 2026-09-13 00:37:52
●A176.57.64.2482026-09-06 → 2026-09-13 · 2 obs
● 2026-09-13 00:37:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net... | 12 records |
| tula.su | ns3-geo.nic.ru, ns4-geo.nic.ru, ns8-geo.nic.ru | - |
| algorithm.tula.su | ns3-l3.nic.ru, ns4-l3.nic.ru, ns8-l3.nic.ru | - |
✅ Authoritative Response
Server:193.232.146.5
NS records: ns3-l3.nic.ru, ns4-l3.nic.ru, ns8-l3.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for algorithm.tula.su (unsigned zone)
⏱️ Timing
Total: 4515ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 176.57.64.248 |
| NS | 3 | ns3-l3.nic.ru, ns4-l3.nic.ru... |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 3 | v=spf1 redirect=_spf.yandex.net, v=spf1 include:spf.unisender.com ~all... |
| SOA | 1 | ns3-l3.nic.ru dns.nic.ru |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)
Analysis
IP Addresses
algorithm.tula.su resolves to just one IP address, 176.57.64.248.
Two other host names, along with acesso.integrit.com, poletaika.ru and bik-96.ru, also share IP numbers with algorithm.tula.su.
Name Servers
DNS for algorithm.tula.su is handled by three authoritative name servers: ns3-l3.nic.ru, ns4-l3.nic.ru and ns8-l3.nic.ru.
At least some of algorithm.tula.su's name servers are shared with other domains, for example its-nv.ru, obzor-system.spb.ru, wurth.spb.ru and two more.
These name servers tend to co-occur with ns34-cloud.nic.ru, ns38-cloud.nic.ru, ns3.nic.ru and 5 other name servers in the same DNS delegations.
ns3-l3.nic.ru, ns4-l3.nic.ru and ns8-l3.nic.ru all have one IP address each — ns3-l3.nic.ru directs to 193.232.146.5, ns4-l3.nic.ru directs to 91.217.20.5 and ns8-l3.nic.ru directs to 91.217.21.5.
Mail Servers
The sole mail server for algorithm.tula.su is mx.yandex.net.
Among the domains sharing a mail server setup with algorithm.tula.su are pulsarvideo.pro, datmark.ru, bleskservis.ru and two others.
algorithm.tula.su overlaps on mail servers with several other domains, for example bestdoctor.ru, aqvakazan.ru, aromadon.ru and u-tlc.ru.
mx.yandex.net directs to two IP numbers, 77.88.21.249 and 2a02:6b8::311.