krn.dk

📜 Historical scan 2026-06-20 09:06:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

krn.dk is a .dk domain served by 4 nameservers (ns1auth.krn.dk, ns2auth.krn.dk, ns3auth.krn.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.255.84.23 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by fjotte.krn.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#

4 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1auth.krn.dk	194.255.84.43	—	AS3308 Norlys Telco A/S
ns2auth.krn.dk	87.104.57.7	87.104.57.7.static.fibianet.dk	AS44869 FIBIA P/S
ns3auth.krn.dk	85.218.176.206	85-218-176-206.norlyscustomer.net	AS39642 Sinal A/S
ns4auth.krn.dk	77.68.150.125	—	AS39642 Sinal A/S

🌍 A Records#

1 records 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.255.84.23	3600s	—	AS3308	Norlys Telco A/S	194.255.0.0/16	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	fjotte.krn.dk	194.255.84.23	—	AS3308 Norlys Telco A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 296ms

TXT Record
DNS admin: Kristen Nielsen, krn@krn.dk, tlf 36 430401 / 40 466221
google-site-verification=WHvlJjvvyXJhQNF9svVmSnu1q2H9k1mOGJGZaZQhPn8
v=spf1 mx -all

✉️ SPF#

Policy	Record (krn.dk)
-all (hard fail)	v=spf1 mx -all

📨 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 2026-10-12 00:13:58

www CNAME	fjotte.krn.dk (all on krn.dk) → 194.255.84.23 (AS3308)
www vs bare domain	Same network krn.dk: 194.255.84.23 (AS3308) www.krn.dk: 194.255.84.23 (AS3308)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

102ms

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

🏷️ SOA#

77ms

Field	Value
Serial	2026040600
Primary NS (MNAME)	ns1auth.krn.dk
Responsible (RNAME)	hostmaster@krn.dk
Refresh	3600s
Retry	300s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

32ms

62ms

45ms

AAAA

35ms

TXT

296ms

CAA

47ms

HTTPS

77ms

TLSA

106ms

SOA

77ms

MTA-STS

54ms

DNSSEC

102ms

SRV

112ms

Total

753ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 13:50:50	9720ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-29 03:10:59	1844ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-24 07:28:41	912ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-23 07:19:08	1170ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 09:06:47 shown	753ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 22:53:57	3989ms	4 NS 1 A 1 MX	🔓 Insecure