ctr38.ru - robtex.com
ctr38.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 151.248.125.76🇷🇺 AS-REGRU151.248.125.0/24 Reg.Ru | ||||||
| PTR | 151-248-125-76.xen.vps.regruhosting.ru | ||||||
| NS | firstvds.ru ⭐ | ||||||
| A | 37.230.118.233🇷🇺 RU-JSCIOT37.230.118.0/23 | ||||||
| PTR | firstvds.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.ctr38.ru(20) | ||||||
| A | 151.248.125.76🇷🇺 AS-REGRU151.248.125.0/24 Reg.Ru | ||||||
| PTR | 151-248-125-76.xen.vps.regruhosting.ru | ||||||
| SOA | firstvds.ruinfo@ctr38.ru 2023-05-31 #0 | ||||||
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=4069947 | ||||||
Subdomains
Same first word
ctr38.ru |
DNS History
5 records (5 active, 0 former)
●NSns1.firstvds.ru2026-02-20 → 2026-08-11 · 2 obs
● 2026-08-11 11:02:38
●NSns2.firstvds.ru2026-02-20 → 2026-08-11 · 2 obs
● 2026-08-11 11:02:38
●MXmail.ctr38.ru2026-02-20 → 2026-08-11 · 2 obs
● 2026-08-11 11:02:38
●A151.248.125.762026-02-20 → 2026-08-11 · 2 obs
● 2026-08-11 11:02:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net... | - |
| ctr38.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 ctr38.ru (unsigned zone)
⏱️ Timing
Total: 947ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 151.248.125.76 |
| NS | 2 | ns2.firstvds.ru, ns1.firstvds.ru |
| MX | 2 | mail.ctr38.ru (pri: 20), mail.ctr38.ru (pri: 10) |
| SOA | 1 | firstvds.ru info.ctr38.ru |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.firstvds.ru, ns2.firstvds.ru)
Analysis
Hierarchy
vpn.ctr38.ru and mail.ctr38.ru each fall under ctr38.ru as their parent domain.
IP Addresses
ctr38.ru resolves to just one IP address, 151.248.125.76.
Two other host names, along with vpn.ctr38.ru, mail.ctr38.ru and change-exchange.ru, also share IP numbers with ctr38.ru.
Name Servers
ctr38.ru is delegated to three name servers: firstvds.ru, ns1.firstvds.ru and ns2.firstvds.ru.
There is at least partial name server overlap between ctr38.ru and other domains — kristall-module.ru, e-dom36.ru, processor-rating.ru and two more among them.
These name servers regularly appear alongside ns1.example.com, ns2.example.com, datarun.ru and 3 other name servers in NS record sets.
Host names that have two IP addresses:
ns1.firstvds.ru points to 82.146.43.2 and 2a01:230:2:74::3.
ns2.firstvds.ru points to 94.250.248.160 and 2a01:230:2:75::3.
Host names that point to one IP address:
firstvds.ru points to 37.230.118.233.
Mail Servers
The sole mail server for ctr38.ru is mail.ctr38.ru.
mail.ctr38.ru resolves to a single IP number: 151.248.125.76.