controlcode.cz - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`controlcode.cz`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:37be^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:ac69^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.190^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.105^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`joan.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aad^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ad^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ad^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joan.ns.cloudflare.com`
		A	108.162.192.173^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joan.ns.cloudflare.com`
		A	172.64.32.173^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joan.ns.cloudflare.com`
		A	173.245.58.173^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joan.ns.cloudflare.com`
NS	`leland.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c08^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leland.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c308^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leland.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2308^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leland.ns.cloudflare.com`
		A	108.162.195.8^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leland.ns.cloudflare.com`
		A	162.159.44.8^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leland.ns.cloudflare.com`
		A	172.64.35.8^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leland.ns.cloudflare.com`
MX	`f0091cd8355e7d9a.mx2.emailprofi.seznam.cz` ⭐
		A	2a02:598:2::1146^{🇨🇿 SEZNAM-CZ2a02:598:2::/48}
			PTR	`wildcard.mx2.emailprofi.seznam.cz`
		A	77.75.77.146^{🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III}
			PTR	`wildcard.mx2.emailprofi.seznam.cz`
MX	`f0091cd8355e7d9a.mx1.emailprofi.seznam.cz`⁽²⁰⁾
		A	2a02:598:2::1056^{🇨🇿 SEZNAM-CZ2a02:598:2::/48}
			PTR	`wildcard.mx1.emailprofi.seznam.cz`
		A	77.75.77.56^{🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III}
			PTR	`wildcard.mx1.emailprofi.seznam.cz`
TXT	`v=spf1 include:spf.seznam.cz ip4:78.47.38.59 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.190, 172.67.172.105
		IPv6 hints	2606:4700:3031::6815:37be, 2606:4700:3033::ac43:ac69
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=180, name=cloudflare-ech.com
SOA	`joan.ns.cloudflare.com`dns@cloudflare.com serial=2415099686

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1790932644

Same first word

Similar names

Previous names

Next names

DNS History

12 records (8 active, 4 former)

●NSjoan.ns.cloudflare.com2026-09-17 → 2026-10-02 · 2 obs

● 2026-09-17 03:16:50
● 2026-10-02 10:13:38

●NSleland.ns.cloudflare.com2026-09-17 → 2026-10-02 · 2 obs

● 2026-09-17 03:16:50
● 2026-10-02 10:13:38

●MXf0091cd8355e7d9a.mx1.emailprofi.seznam.cz2026-09-17 → 2026-10-02 · 2 obs

● 2026-09-17 03:16:50
● 2026-10-02 10:13:38

●MXf0091cd8355e7d9a.mx2.emailprofi.seznam.cz2026-09-17 → 2026-10-02 · 2 obs

● 2026-09-17 03:16:50
● 2026-10-02 10:13:38

●A104.21.55.1902026-09-20 → 2026-10-02 · 3 obs

○ 2026-09-17 03:16:50
● 2026-09-20 14:03:58
● 2026-10-02 10:13:38

●A172.67.172.1052026-09-20 → 2026-10-02 · 3 obs

○ 2026-09-17 03:16:50
● 2026-09-20 14:03:58
● 2026-10-02 10:13:38

○A188.114.96.42026-09-17 → 2026-09-17 · 3 obs

● 2026-09-17 03:16:50
○ 2026-09-20 14:03:58
○ 2026-10-02 10:13:38

○A188.114.97.42026-09-17 → 2026-09-17 · 3 obs

● 2026-09-17 03:16:50
○ 2026-09-20 14:03:58
○ 2026-10-02 10:13:38

●A2606:4700:3031::6815:37be2026-09-20 → 2026-10-02 · 3 obs

○ 2026-09-17 03:16:50
● 2026-09-20 14:03:58
● 2026-10-02 10:13:38

●A2606:4700:3033::ac43:ac692026-09-20 → 2026-10-02 · 3 obs

○ 2026-09-17 03:16:50
● 2026-09-20 14:03:58
● 2026-10-02 10:13:38

○A2a06:98c1:3120::2026-09-17 → 2026-09-17 · 3 obs

● 2026-09-17 03:16:50
○ 2026-09-20 14:03:58
○ 2026-10-02 10:13:38

○A2a06:98c1:3121::2026-09-17 → 2026-09-17 · 3 obs

● 2026-09-17 03:16:50
○ 2026-09-20 14:03:58
○ 2026-10-02 10:13:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	8 records
controlcode.cz	joan.ns.cloudflare.com, leland.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.8

NS records: joan.ns.cloudflare.com, leland.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for controlcode.cz (unsigned zone)

⏱️ Timing

Total: 2123ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.55.190, 172.67.172.105`
AAAA	2	`2606:4700:3031::6815:37be, 2606:4700:3033::ac43:ac69`
NS	2	`joan.ns.cloudflare.com, leland.ns.cloudflare.com`
MX	2	`f0091cd8355e7d9a.mx2.emailprofi.seznam.c, f0091cd8355e7d9a.mx1.emailprofi.seznam.c`
TXT	1	`v=spf1 include:spf.seznam.cz ip4:78.47.3`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`joan.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz...)

Analysis

IP Addresses

controlcode.cz resolves to four IP addresses: 104.21.55.190, 172.67.172.105, 2606:4700:3031::6815:37be and 2606:4700:3033::ac43:ac69.

Two other host names, along with soldering24.de, roofing-services-fr.com and yes77lavo.site, also share IP numbers with controlcode.cz.

Name Servers

The NS records for controlcode.cz delegate to joan.ns.cloudflare.com and leland.ns.cloudflare.com.

controlcode.cz shares its NS records with other domains, for example certificadoedigitals.com.br, vend2go.shop, lagdus.com and two others.

controlcode.cz shares at least some of its name servers with other domains, including g365z.top, buyveritas.co, crewtique-marketing-prod.pages.dev and two others.

These name servers are frequently seen alongside the name servers naya.ns.cloudflare.com.

DNS names with 6 IP addresses:

joan.ns.cloudflare.com maps to 108.162.192.173, 172.64.32.173, 173.245.58.173 and 3 additional IP addresses.

leland.ns.cloudflare.com maps to 108.162.195.8, 162.159.44.8, 172.64.35.8 and 3 additional IP addresses.

Mail Servers

controlcode.cz is served by two mail servers, f0091cd8355e7d9a.mx1.emailprofi.seznam.cz and f0091cd8355e7d9a.mx2.emailprofi.seznam.cz.

f0091cd8355e7d9a.mx1.emailprofi.seznam.cz resolves to 77.75.77.56 and 2a02:598:2::1056. Likewise, f0091cd8355e7d9a.mx2.emailprofi.seznam.cz resolves to 77.75.77.146 and 2a02:598:2::1146 — two IP addresses apiece.