skjernnu.dk

📜 Historical scan 2026-07-01 12:07:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skjernnu.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 19 March 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.80.12.242 is hosted by COLT Technology Services Group Limited (AS8220) in Denmark. The zone is DNSSEC-signed and validates, 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.80.12.242	360s	—	AS8220	COLT Technology Services Group Limited	80.80.0.0/19	🇩🇰 Denmark	Copenhagen

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	skjernnu.dk → 80.80.12.242
🔶 Autoconfig	skjernnu.dk → 80.80.12.242

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 164ms

TXT Record
DBO

✉️ 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 2026-10-09 00:37:07

www CNAME	skjernnu.dk (all on skjernnu.dk) → 80.80.12.242 (AS8220)
www vs bare domain	Same network skjernnu.dk: 80.80.12.242 (AS8220) www.skjernnu.dk: 80.80.12.242 (AS8220)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.skjernnu.dk	skjernnu.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

58ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

46ms

Field	Value
Serial	2022030204
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-02 21:04:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-03-19
Expires	2027-03-31 (163d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

32ms

AAAA

39ms

TXT

164ms

CAA

36ms

HTTPS

47ms

TLSA

54ms

SOA

46ms

MTA-STS

66ms

DNSSEC

58ms

SRV

50ms

Total

672ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 20:51:32	505ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-13 21:06:36	556ms	4 NS 1 A 0 MX	🔒 Secure
2026-07-01 12:07:15 shown	672ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-17 13:35:10	2004ms	4 NS 1 A 0 MX	🔒 Secure