school123.ru - robtex.com
school123.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 155.212.161.124🇺🇸 RU-JSCIOT155.212.160.0/20 | ||||||
| PTR | idatamp.fvds.ru | ||||||
| NS | idatamp.fvds.ru ⭐ | ||||||
| A | 45.150.10.119🇷🇺 RU-JSCIOT45.150.8.0/22 | ||||||
| PTR | idatamp.fvds.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 | ||||||
| PTR | ns2.firstvds.ru | ||||||
| MX | mail.school123.ru ⭐ | ||||||
| A | 45.150.10.119🇷🇺 RU-JSCIOT45.150.8.0/22 | ||||||
| PTR | idatamp.fvds.ru | ||||||
| TXT | v=spf1 ip4:45.150.10.119 a mx ~all | ||||||
| SOA | idatamp.fvds.ruroot@idatamp.fvds.ru 2025-09-23 #2 | ||||||
ru
| 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=4068410 | ||||||
Subdomains
mail.school123.ru |
Same first word
school123.com |
school123.ru |
school123.co.uk |
Similar names
213school.ru |
312school.com |
school312.spb.ru |
school321.com |
321school.com |
123school.com |
123school.ru |
123school.ir |
DNS History
16 records (5 active, 11 former)
●NSidatamp.fvds.ru2026-03-29 → 2026-04-06 · 3 obs
● 2026-03-29 18:41:38
● 2026-04-06 04:31:32
●NSns1.firstvds.ru2026-03-29 → 2026-04-06 · 3 obs
● 2026-03-29 18:41:38
● 2026-04-06 04:31:32
○NSns1.jimdo.com2015-08-22 → 2016-03-10 · 4 obs
● 2016-03-10 15:10:02
○ 2016-07-16 13:32:28
○ 2026-04-06 04:31:32
○NSns1.ucoz.net2016-07-16 → 2017-07-01 · 5 obs
● 2016-07-16 13:32:28
● 2017-07-01 19:32:38
○ 2026-03-29 18:41:38
○ 2026-04-06 04:31:32
●NSns2.firstvds.ru2026-03-29 → 2026-04-06 · 3 obs
● 2026-03-29 18:41:38
● 2026-04-06 04:31:32
○NSns2.jimdo.com2015-08-22 → 2016-03-10 · 4 obs
● 2016-03-10 15:10:02
○ 2016-07-16 13:32:28
○ 2026-04-06 04:31:32
○NSns2.ucoz.net2016-07-16 → 2017-07-01 · 5 obs
● 2016-07-16 13:32:28
● 2017-07-01 19:32:38
○ 2026-03-29 18:41:38
○ 2026-04-06 04:31:32
○NSns3.ucoz.net2016-07-16 → 2017-07-01 · 5 obs
● 2016-07-16 13:32:28
● 2017-07-01 19:32:38
○ 2026-03-29 18:41:38
○ 2026-04-06 04:31:32
●MXmail.school123.ru2026-03-29 → 2026-04-06 · 3 obs
● 2026-03-29 18:41:38
● 2026-04-06 04:31:32
○MXmx1.jimdo.com2015-08-22 → 2016-03-10 · 4 obs
● 2016-03-10 15:10:02
○ 2016-10-02 10:44:56
○ 2026-04-06 04:31:32
○MXmx2.jimdo.com2015-08-22 → 2016-03-10 · 4 obs
● 2016-03-10 15:10:02
○ 2016-10-02 10:44:56
○ 2026-04-06 04:31:32
●A155.212.161.1242026-03-29 → 2026-04-06 · 3 obs
● 2026-03-29 18:41:38
● 2026-04-06 04:31:32
○A195.216.243.1142016-10-02 → 2017-07-01 · 5 obs
● 2016-10-02 10:44:56
● 2017-07-01 19:32:38
○ 2026-03-29 18:41:38
○ 2026-04-06 04:31:32
○A52.48.171.212016-03-10 → 2016-03-10 · 4 obs
● 2016-03-10 15:10:02
○ 2016-10-02 10:44:56
○ 2026-04-06 04:31:32
○A54.229.122.2382015-12-07 → 2015-12-07 · 4 obs
● 2015-12-07 19:12:26
○ 2016-03-10 15:10:02
○ 2026-04-06 04:31:32
○A54.229.56.1132015-08-22 → 2015-08-22 · 3 obs
○ 2015-12-07 19:12:26
○ 2026-04-06 04:31:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net... | - |
| school123.ru | ns1.firstvds.ru, ns2.firstvds.ru | 2 records |
✅ Authoritative Response
Server:94.250.248.160
NS records: ns1.firstvds.ru, ns2.firstvds.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for school123.ru (unsigned zone)
⏱️ Timing
Total: 1351ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 155.212.161.124 |
| NS | 2 | ns2.firstvds.ru, ns1.firstvds.ru |
| MX | 2 | mail.school123.ru (pri: 10), mail.school123.ru (pri: 20) |
| TXT | 1 | v=spf1 ip4:45.150.10.119 a mx ~all |
| SOA | 1 | idatamp.fvds.ru root.idatamp.fvds.ru |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.firstvds.ru, ns1.firstvds.ru)
Analysis
Hierarchy
school123.ru is the parent of mail.school123.ru.
IP Addresses
school123.ru points to IP number 155.212.161.124.
Other host names, for example megatrest.ru and cnmvl.ru, share IPs with school123.ru.
Name Servers
The delegation for school123.ru is handled by three name servers: ns1.firstvds.ru, ns2.firstvds.ru and idatamp.fvds.ru.
school123.ru shares name servers with other domains at least partially, for example muzhchina-rak.ru, chess-land.com, duscha.ru, domocomplect.ru and muptek.ru.
these name servers are commonly used together with the name servers firstvds.ru, ns1.example.com, ns2.example.com, dommainer151025.ru, ns1.fasthostvds.com, ns2.fasthostvds.com, crm.fvds.ru and gorod-anapa.ru.
Host names with two IPs:
Host name ns1.firstvds.ru points to 2a01:230:2:74::3 and 82.146.43.2.
Host name ns2.firstvds.ru points to 2a01:230:2:75::3 and 94.250.248.160.
Host names with one IP:
Host name idatamp.fvds.ru points to 45.150.10.119.
Mail Servers
school123.ru is handled by a single mail server, mail.school123.ru.
mail.school123.ru points to a single IP: 45.150.10.119.