cerovsky.dk

📜 Historical scan 2026-09-19 10:28:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cerovsky.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 18 September 2026 (WHOIS) and first appeared in the .dk zone on 19 September 2026. Its website address 178.20.216.40 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by cerovsky.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 110ms

Nameserver	IP addresses	PTR	ASN / ISP
ns5.chosting.dk	167.235.66.236 2a01:4f8:1c1e:d097::1	ns5.chosting.dk ns5.chosting.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns6.chosting.dk	2001:41d0:305:2100::80e9 51.91.57.33	ns6.chosting.dk ns6.chosting.dk	AS16276 OVH SAS AS16276 OVH SAS
ns7.chosting.dk	178.20.220.33	ns7.chosting.dk	AS21060 Atea A/S

🌍 A Records#

1 records 270ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.40	14400s	webadm.fioniait.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 190ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	14400s	cerovsky.dk	178.20.216.40	webadm.fioniait.dk	AS21060 Atea A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 731ms

TXT Record
protonmail-verification=25f5e6034ed8118879f19bc2ede54553e9aae7a6

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 03:19:38

www CNAME	cerovsky.dk (all on cerovsky.dk) → 178.20.216.40 (AS21060)
www vs bare domain	Same network cerovsky.dk: 178.20.216.40 (AS21060) www.cerovsky.dk: 178.20.216.40 (AS21060)
Wildcard	No

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

416ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026091818
Primary NS (MNAME)	ns5.chosting.dk
Responsible (RNAME)	notification@fioniait.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-02 11:29:05

Field	Value
Registrar	FIONIA IT ApS
Registered	2026-09-18
Expires	2027-09-17 (334d)

📋 WHOIS#

⏱️ Lookup Timing#

110ms

270ms

190ms

AAAA

134ms

TXT

731ms

CAA

381ms

HTTPS

363ms

TLSA

44ms

SOA

0ms

MTA-STS

172ms

DNSSEC

416ms

SRV

435ms

Total

1106ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 03:19:37	1782ms	3 NS 1 A 3 MX	🔓 Insecure
2026-10-16 02:33:16	941ms	3 NS 1 A 3 MX	🔓 Insecure
2026-10-06 15:34:04	2571ms	3 NS 1 A 3 MX	🔓 Insecure
2026-10-05 13:31:36	904ms	3 NS 1 A 3 MX	🔓 Insecure
2026-10-01 13:10:40	1369ms	3 NS 1 A 3 MX	🔓 Insecure
2026-09-30 13:05:36	763ms	3 NS 1 A 3 MX	🔓 Insecure
2026-09-28 05:12:03	2101ms	3 NS 1 A 3 MX	🔓 Insecure
2026-09-27 04:39:57	1702ms	3 NS 1 A 3 MX	🔓 Insecure
2026-09-26 04:29:22	812ms	3 NS 1 A 3 MX	🔓 Insecure
2026-09-25 04:23:55	761ms	3 NS 1 A 3 MX	🔓 Insecure
2026-09-21 19:50:29	1331ms	3 NS 1 A 3 MX	🔓 Insecure
2026-09-19 11:36:40	832ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-19 10:28:24 shown	1106ms	3 NS 1 A 1 MX	🔓 Insecure