st-dev.ru - dns.ninja
st-dev.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 155.212.169.219🇺🇸 RU-JSCIOT155.212.160.0/20 | ||||||
| PTR | spetsovka.ru | ||||||
| NS | ns1.firstvds.ru ⭐ | ||||||
| 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.firstvds.ru | ||||||
| A | 2a01:230:2:75::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 94.250.248.160🇷🇺 RU-JSCIOT94.250.248.0/23 | ||||||
| TXT | v=spf1 ip4:82.202.173.87 a mx ~all | ||||||
| SOA | ns1.firstvds.rutech@firstvds.ru 2026-06-30 #12 | ||||||
ru
| 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=4069832 | ||||||
Subdomains
video.st-dev.ru |
mail.st-dev.ru |
academy-app.st-dev.ru |
Same first word
Similar names
DNS History
11 records (3 active, 8 former)
○NSfirstvds.ru2026-02-18 → 2026-02-18 · 4 obs
● 2026-02-18 09:58:00
○ 2026-07-09 09:11:20
○ 2026-08-01 21:47:36
●NSns1.firstvds.ru2026-02-18 → 2026-08-01 · 3 obs
● 2026-02-18 09:58:00
● 2026-08-01 21:47:36
○NSns1.smserver.ru2015-08-13 → 2017-01-05 · 4 obs
● 2017-01-05 00:34:22
○ 2026-02-18 09:58:00
○ 2026-08-01 21:47:36
●NSns2.firstvds.ru2026-02-18 → 2026-08-01 · 3 obs
● 2026-02-18 09:58:00
● 2026-08-01 21:47:36
○NSns2.smserver.ru2015-08-13 → 2017-01-05 · 4 obs
● 2017-01-05 00:34:22
○ 2026-02-18 09:58:00
○ 2026-08-01 21:47:36
○NSsmserver.ru2015-08-13 → 2017-01-05 · 4 obs
● 2017-01-05 00:34:22
○ 2026-02-18 09:58:00
○ 2026-08-01 21:47:36
○MXmail.st-dev.ru2015-08-13 → 2017-01-05 · 4 obs
● 2017-01-05 00:34:22
○ 2026-02-18 09:58:00
○ 2026-08-01 21:47:36
●A155.212.169.2192026-07-09 → 2026-08-01 · 3 obs
● 2026-07-09 09:11:20
● 2026-08-01 21:47:36
○A188.120.251.82017-01-05 → 2017-01-05 · 4 obs
● 2017-01-05 00:34:22
○ 2026-02-18 09:58:00
○ 2026-08-01 21:47:36
○A212.109.218.1852015-08-13 → 2016-11-22 · 4 obs
● 2016-11-22 00:30:28
○ 2017-01-05 00:34:22
○ 2026-08-01 21:47:36
○A82.202.173.872026-02-18 → 2026-02-18 · 4 obs
● 2026-02-18 09:58:00
○ 2026-07-09 09:11:20
○ 2026-08-01 21:47:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net... | - |
| st-dev.ru | ns2.firstvds.ru, ns1.firstvds.ru | 2 records |
✅ Authoritative Response
Server:82.146.43.2
NS records: ns2.firstvds.ru, ns1.firstvds.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for st-dev.ru (unsigned zone)
⏱️ Timing
Total: 1118ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 155.212.169.219 |
| NS | 2 | ns1.firstvds.ru, ns2.firstvds.ru |
| TXT | 1 | v=spf1 ip4:82.202.173.87 a mx ~all |
| SOA | 1 | ns1.firstvds.ru tech.firstvds.ru |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.firstvds.ru, ns1.firstvds.ru)
Analysis
Hierarchy
st-dev.ru sits above video.st-dev.ru, mail.st-dev.ru and academy-app.st-dev.ru in the domain hierarchy.
IP Addresses
st-dev.ru resolves to one IP address: 155.212.169.219.
Further host names like st-media.ru and mail.st-dev.ru overlap in IP numbers with st-dev.ru.
Name Servers
st-dev.ru uses two name servers for its delegation: ns1.firstvds.ru and ns2.firstvds.ru.
st-dev.ru uses the same name servers as several other domains — among them prosto-print.shop, skand74.ru, rcvostok.ru and two more.
There is at least partial name server overlap between st-dev.ru and other domains — kartoved.ru, artdesign-dv.ru, finkorsoft.ru and two more among them.
These name servers regularly appear alongside firstvds.ru, ns1.example.com, ns2.example.com and 3 other name servers in NS record sets.
The two host names ns1.firstvds.ru and ns2.firstvds.ru each have a pair of IP addresses: ns1.firstvds.ru has 82.146.43.2 and 2a01:230:2:74::3, and ns2.firstvds.ru has 94.250.248.160 and 2a01:230:2:75::3.