itisk.dk

📜 Historical scan 2026-09-05 07:10:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

itisk.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 11 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.247.71.82 is hosted by Rackhosting.com ApS (AS31590) in Denmark. Mail is handled by mail.itisk.dk. The zone is DNSSEC-signed and validates, publishes a 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#

2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.247.71.82	86400s	vps372.rackhosting.com	AS31590	Rackhosting.com ApS	77.247.64.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mail.itisk.dk	77.247.71.82	vps372.rackhosting.com	AS31590 Rackhosting.com ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 68ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	0	993	itisk.dk

📝 TXT Records#

1 records 152ms

TXT Record
v=spf1 +a +mx +a:vps372.rackhosting.com include:spf.rackhosting.com -all

✉️ SPF#

Policy	Record (itisk.dk)
-all (hard fail)	v=spf1 +a +mx +a:vps372.rackhosting.com include:spf.rackhosting.com -all

📨 DMARC#

Policy	Record (_dmarc.itisk.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s; aspf=s

📬 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 2026-10-16 10:05:33

www CNAME	itisk.dk (all on itisk.dk) → 77.247.71.82 (AS31590)
www vs bare domain	Same network itisk.dk: 77.247.71.82 (AS31590) www.itisk.dk: 77.247.71.82 (AS31590)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.itisk.dk	cCe8ziCITB9WTKnhWL44d9lh5pIYJurMTKWuFhQZ1c4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

81ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2024052701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 20:50:36

Field	Value
Registrar	CURANET A/S
Registered	2021-06-11
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

36ms

32ms

AAAA

38ms

TXT

152ms

CAA

54ms

HTTPS

51ms

TLSA

338ms

SOA

0ms

MTA-STS

58ms

DNSSEC

81ms

SRV

68ms

Total

811ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 10:12:48	453ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 07:10:40 shown	811ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 16:16:26	927ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 14:54:03	755ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 19:22:41	1169ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 11:53:22	774ms	2 NS 1 A 1 MX	🔒 Secure