ns2.biuan.com - robtex.com

ns2.biuan.com

DNSSEC⚠️ Not signed

biuan.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:d29🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:847e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.13.41Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.126🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSezra.ns.cloudflare.com ⭐
NSgail.ns.cloudflare.com
MXgate.biuan.eu ⭐
MX_dc-mx.b7ad23915de6.biuan.com(20)
TXTgoogle-site-verification=O8USHeXeFR_kJ53OecD1DHkdY6fEkMOxI4qh-hZnjXA
TXTv=spf1 mx -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.13.41, 172.67.132.126
IPv6 hints2606:4700:3030::6815:d29, 2606:4700:3033::ac43:847e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOAezra.ns.cloudflare.comdns@cloudflare.com serial=2403515940

Previously NS for

mail.biuan.com
biuan.com

Same first word

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DNS History

1 record (0 active, 1 former)

20162017201820192020202120222023202420252026A178.33.37.91
○A178.33.37.912015-05-28 → 2016-04-01 · 4 obs
● 2015-05-28 23:18:42
● 2016-04-01 19:33:14
○ 2017-06-29 14:41:48
○ 2026-05-12 17:33:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...-
biuan.comgail.ns.cloudflare.com, ezra.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.116

NS records: gail.ns.cloudflare.com, ezra.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biuan.com (unsigned zone)

⏱️ Timing

Total: 850ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (gail.ns.cloudflare.com, gail.ns.cloudflare.com, gail.ns.cloudflare.com...)