firstkb.ru - robtex.com
firstkb.ru
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.gcorelabs.net ⭐ | ||||||
| A | 2a03:90c0:9990::1053🇷🇺 GCORE2a03:90c0:9990::/48 GCL-DNS-ANYCAST | ||||||
| A | 92.223.100.53🇱🇺 GCORE92.223.100.0/24 GCL-DNS-ANYCAST-92-223-100 | ||||||
| PTR | ns1.gcorelabs.net | ||||||
| A | 92.223.100.253🇱🇺 GCORE92.223.100.0/24 GCL-DNS-ANYCAST-92-223-100 | ||||||
| NS | ns2.gcdn.services ⚠️ Not in parent delegation | ||||||
| A | 2a03:90c0:9990::2053🇷🇺 GCORE2a03:90c0:9990::/48 GCL-DNS-ANYCAST | ||||||
| A | 92.223.77.53🇱🇺 GCORE92.223.77.0/24 GCL-DNS-ANYCAST-92-223-77 | ||||||
| PTR | ns2.gcdn.services | ||||||
| A | 92.223.77.253🇱🇺 GCORE92.223.77.0/24 GCL-DNS-ANYCAST-92-223-77 | ||||||
| NS | ns2.gcorelabs.net ⚠️ Not in zone NS records | ||||||
| A | 2a03:90c0:9990::2053🇷🇺 GCORE2a03:90c0:9990::/48 GCL-DNS-ANYCAST | ||||||
| A | 92.223.77.53🇱🇺 GCORE92.223.77.0/24 GCL-DNS-ANYCAST-92-223-77 | ||||||
| PTR | ns2.gcdn.services | ||||||
| A | 92.223.77.253🇱🇺 GCORE92.223.77.0/24 GCL-DNS-ANYCAST-92-223-77 | ||||||
| SOA | ns1.gcorelabs.netsupport@gcore.com serial=1772124527 | ||||||
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=4068147 | ||||||
Same first word
firstkb.ru |
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.gcorelabs.net2026-03-10 → 2026-03-22 · 2 obs
● 2026-03-22 23:55:14
●NSns2.gcdn.services2026-03-10 → 2026-03-22 · 2 obs
● 2026-03-22 23:55:14
●NSns2.gcorelabs.net2026-03-10 → 2026-03-22 · 2 obs
● 2026-03-22 23:55:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| firstkb.ru | ns2.gcorelabs.net, ns1.gcorelabs.net | - |
✅ Authoritative Response
Server:92.223.77.53
NS records: ns2.gcorelabs.net, ns1.gcorelabs.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstkb.ru (unsigned zone)
⏱️ Timing
Total: 724ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.gcdn.services, ns1.gcorelabs.net |
| SOA | 1 | ns1.gcorelabs.net support.gcore.com |
Analysis
Name Servers
firstkb.ru is delegated to three name servers ns1.gcorelabs.net, ns2.gcorelabs.net and ns2.gcdn.services.
firstkb.ru at least partially shares name servers with other domains, for instance breeze.town, partica.online, mioviz.com, voenrf-xxkzckz.top and get-tra.com.
These name servers are commonly used with ns1.webwavecms.com, ns2.webwavecms.com and gns1.gcdn.co.
Host names with three IP numbers
The host name ns1.gcorelabs.net points to: 2a03:90c0:9990::1053, 92.223.100.53 and 92.223.100.253.
The host name ns2.gcorelabs.net points to: 2a03:90c0:9990::2053, 92.223.77.53 and 92.223.77.253.
The host name ns2.gcdn.services points to: 2a03:90c0:9990::2053, 92.223.77.53 and 92.223.77.253.
Host names that point to 2a03:90c0:9990::2053: ns2.gcorelabs.net and ns2.gcdn.services.
Host names that point to 92.223.77.53: ns2.gcorelabs.net and ns2.gcdn.services.
Host names that point to 92.223.77.253: ns2.gcorelabs.net and ns2.gcdn.services.