`mail.bbcloud.cz`

DNSSEC	⚠️ Not signed
A	178.17.3.12^{🇨🇿 UVT178.17.0.0/20 internet network}
		PTR	`mail.bbcloud.cz`
TXT	`v=spf1 ip4:178.17.3.12 -all`

`bbcloud.cz`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:bd55^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:495a^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.90^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.189.85^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`beth.ns.cloudflare.com` ⭐
NS	`johnathan.ns.cloudflare.com`
MX	`mail.bbcloud.cz` ⭐
TXT	`v=spf1 ip4:178.17.3.12 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.90, 172.67.189.85
		IPv6 hints	2606:4700:3030::ac43:bd55, 2606:4700:3035::6815:495a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=91, name=cloudflare-ech.com
SOA	`beth.ns.cloudflare.com`dns@cloudflare.com serial=2408028522

PTR for

12.3.17.178.in-addr.arpa

MX for

mooz.cz

rapid-psary.cz

cosmofarma.cz

bbcloud.cz

vdolezal.cz

Same first word

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DNS History

1 record (1 active, 0 former)

●A178.17.3.122026-03-13 → 2026-07-10 · 2 obs

● 2026-03-13 04:41:22
● 2026-07-10 20:30:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz	-
bbcloud.cz	johnathan.ns.cloudflare.com, beth.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.103

NS records: johnathan.ns.cloudflare.com, beth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bbcloud.cz (unsigned zone)

⏱️ Timing

Total: 1399ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.17.3.12`
TXT	1	`v=spf1 ip4:178.17.3.12 -all`

Analysis

Mail Server Role

Mail for mooz.cz, rapid-psary.cz, cosmofarma.cz and two other domains is handled by mail.bbcloud.cz.

IP Addresses

mail.bbcloud.cz has exactly one IP address — 178.17.3.12.

mail.bbcloud.cz - robtex.com

mail.bbcloud.cz

bbcloud.cz