mxserv2.biser-opt.com.ua - robtex.com
mxserv2.biser-opt.com.ua
| DNSSEC | ⚠️ Not signed | ||||||
biser-opt.com.ua
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:4791🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:917c🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.71.145Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.145.124🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | gerardo.ns.cloudflare.com ⭐ | ||||||
| NS | michelle.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.71.145, 172.67.145.124 | ||||||
| IPv6 hints | 2606:4700:3032::6815:4791, 2606:4700:3033::ac43:917c | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=184, name=cloudflare-ech.com | ||||||
| SOA | gerardo.ns.cloudflare.comdns@cloudflare.com serial=2400860157 | ||||||
Previously MX for
DNS History
1 record (0 active, 1 former)
○A193.200.255.412017-10-08 → 2017-10-08 · 3 obs
● 2017-10-08 23:23:08
○ 2026-03-27 14:25:38
○ 2026-04-13 11:18:06
○ 2026-03-27 14:25:38
○ 2026-04-13 11:18:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.ua | cz.ns.ua, nn.ns.ua, ho1.com.ns.ua, rcz.ns.ua... | - |
| biser-opt.com.ua | gerardo.ns.cloudflare.com, michelle.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.230
NS records: gerardo.ns.cloudflare.com, michelle.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.ua (unsigned zone)
⏱️ Timing
Total: 200ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|