mxserv1.biser-opt.com.ua - robtex.com

mxserv1.biser-opt.com.ua

DNSSEC⚠️ Not signed

biser-opt.com.ua

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4791🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:917c🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.71.145Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.145.124🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgerardo.ns.cloudflare.com ⭐
NSmichelle.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.71.145, 172.67.145.124
IPv6 hints2606:4700:3032::6815:4791, 2606:4700:3033::ac43:917c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com
SOAgerardo.ns.cloudflare.comdns@cloudflare.com serial=2400860157

Previously MX for

biser-opt.com.ua

DNS History

1 record (0 active, 1 former)

201820192020202120222023202420252026A193.200.255.41
○A193.200.255.412017-10-08 → 2017-10-08 · 2 obs
● 2017-10-08 23:23:06
○ 2026-04-14 04:59:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uabg.ns.ua, cz.ns.ua, nn.ns.ua, ho1.ns.ua...16 records
com.uaho1.com.ns.ua, rcz.ns.ua, cfdf.com.ns.ua, nn.ns.ua...12 records
biser-opt.com.uagerardo.ns.cloudflare.com, michelle.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.230

NS records: gerardo.ns.cloudflare.com, michelle.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biser-opt.com.ua (unsigned zone)

⏱️ Timing

Total: 258ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 28

In-bailiwick: 16 (bg.ns.ua, bg.ns.ua, bg.ns.ua...)

Out-of-bailiwick: 12 (cfdf.com.ns.ua, cfdf.com.ns.ua, cz.ns.ua...)