sikker-skole.dk

Records from scan: 2026-10-01 04:34:37 · 966ms total · last checked 2026-10-18 20:12 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sikker-skole.dk is a .dk domain served by 2 nameservers (ns.semaphor.dk, ns2.semaphor.dk). It was registered on 25 August 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 45.156.8.54 is hosted by Semaphor (AS201697) in Denmark. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.semaphor.dk	195.190.25.50	ns.semaphor.dk	AS201697 Semaphor
ns2.semaphor.dk	85.235.240.108	ns2.semaphor.dk	AS3308 Norlys Telco A/S

🌍 A Records#

1 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
45.156.8.54	38400s	hjulben4.semaphor.dk	AS201697	Semaphor	45.156.8.0/22	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 234ms

TXT Record
v=spf1 include:_spf.semaphor.dk -all

✉️ SPF#

Policy	Record (sikker-skole.dk)
-all (hard fail)	v=spf1 include:_spf.semaphor.dk -all

📨 DMARC#

Policy	Record (_dmarc.sikker-skole.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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#

checked 2026-10-10 08:20:17

www CNAME	hjulben.semaphor.dk (all on semaphor.dk) → 195.190.25.53 45.156.8.52 45.156.8.54 2001:678:72c:fa00:45:156:8:52 2001:678:72c:fa00:45:156:8:54 (AS201697)
www vs bare domain	Same network sikker-skole.dk: 45.156.8.54 (AS201697) www.sikker-skole.dk: 195.190.25.53 45.156.8.52 45.156.8.54 2001:678:72c:fa00:45:156:8:52 (AS201697)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.sikker-skole.dk	sikker-skole.dk.acme.semaphor.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

65ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2025082700
Primary NS (MNAME)	ns.semaphor.dk
Responsible (RNAME)	hostmaster@semaphor.dk
Refresh	3600s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	38400s

📋 Registration#

WHOIS fetched 2026-10-08 10:27:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-08-25
Expires	2027-08-24 (308d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

63ms

46ms

AAAA

36ms

TXT

234ms

CAA

54ms

HTTPS

43ms

TLSA

45ms

SOA

35ms

MTA-STS

69ms

DNSSEC

65ms

SRV

58ms

Total

966ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 04:34:37 shown	966ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-26 22:05:30	2405ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-17 19:50:04	4675ms	2 NS 1 A 0 MX	🔓 Insecure