iskerner.dk

Records from scan: 2026-09-07 13:02:01 · 1932ms total · last checked 2026-10-16 20:51 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

iskerner.dk is a .dk domain served by 4 nameservers (ns01.one.com, ns02.one.com, ns1.nbi.dk and 1 more). It was registered on 18 November 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.212.5 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by mail.gfy.ku.dk. The zone is not DNSSEC-signed, has no 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#

4 records 148ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S
ns1.nbi.dk	130.225.212.46	ns1.nbi.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns2.nbi.dk	130.225.212.55	ns2.nbi.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🌍 A Records#

1 records 116ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.225.212.5	86400s	—	AS1835	IDDQD-AS	130.225.0.0/16	🇩🇰 Denmark	—

📧 MX Records#

1 records 79ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mail.gfy.ku.dk	—	—	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 361ms

TXT Record
Is og Klima gruppen, NBI

✉️ 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#

checked 2026-10-15 20:04:43

www	130.225.212.5 (AS1835) (address records, no CNAME)
www vs bare domain	Same network iskerner.dk: 130.225.212.5 (AS1835) www.iskerner.dk: 130.225.212.5 (AS1835)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.iskerner.dk	VtEMFqCcNsqskgtr_9yCyprTtxKk9q6WQ1xO6mw-pCQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

247ms

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	2026090702
Primary NS (MNAME)	ns1.nbi.dk
Responsible (RNAME)	hostmaster@nbi.dk
Refresh	7200s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-10 17:49:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-11-18
Expires	2029-11-30 (1140d)

📋 WHOIS#

⏱️ Lookup Timing#

148ms

116ms

79ms

AAAA

103ms

TXT

361ms

CAA

125ms

HTTPS

144ms

TLSA

558ms

SOA

0ms

MTA-STS

187ms

DNSSEC

247ms

SRV

364ms

Total

1932ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-07 13:02:01 shown	1932ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 11:55:00	606ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-26 10:28:34	655ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-29 22:37:43	624ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-28 04:40:48	657ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-18 04:28:18	659ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-18 04:03:39	858ms	4 NS 1 A 1 MX	🔓 Insecure