ns1.firstdev.ru - dns.ninja
ns1.firstdev.ru
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 91.240.87.248๐ท๐บ RU-JSCIOT91.240.86.0/23 | ||||||
firstdev.ru
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 91.240.87.248๐ท๐บ RU-JSCIOT91.240.86.0/23 | ||||||
| NS | ns1.firstdev.ru โญ | ||||||
| NS | ns2.firstdev.ru | ||||||
| MX | ns1.firstdev.ru โญ | ||||||
| TXT | 115b8369-5a08-4d5b-8b3c-acaedcf07cc4 | ||||||
| TXT | v=spf1 ip4:37.46.129.186 a:smtp.fvds.ru -all | ||||||
| SOA | ns1.firstdev.ruhostmaster@firstdev.ru 2026-05-25 #3 | ||||||
PTR for
NS for
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
โA91.240.87.2482026-08-08 โ 2026-08-08 ยท 2 obs
โ 2026-08-08 11:46:46
โ 2026-08-08 18:34:46
โ 2026-08-08 18:34:46
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | c.tld-servers.ru, d.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net... | - |
| firstdev.ru | ns1.firstdev.ru, ns2.firstdev.ru | 2 records |
โ Authoritative Response
Server:91.240.87.248
NS records: ns1.firstdev.ru, ns2.firstdev.ru
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for firstdev.ru (unsigned zone)
โฑ๏ธ Timing
Total: 673ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.240.87.248 |
๐ Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.firstdev.ru, ns2.firstdev.ru)
Analysis
Name Server Role
The DNS delegation for firstdev.ru includes ns1.firstdev.ru as a name server.
As name servers, ns2.firstdev.ru and ns1.firstdev.ru are often found together.
Mail Server Role
firstdev.ru uses ns1.firstdev.ru as a mail server.
IP Addresses
ns1.firstdev.ru resolves to one IP address: 91.240.87.248.
Further host names like firstdev.ru and zhuko.ff.fvds.ru overlap in IP numbers with ns1.firstdev.ru.