cortina.dk

📜 Historical scan 2026-09-08 03:27:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cortina.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 4 August 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.157.125.162 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. 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 28ms

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
78.157.125.162	3600s	78-157-125-162.norlyscustomer.net	AS39642	Sinal A/S	78.157.96.0/19	🇩🇰 Denmark	Aalborg

📧 MX Records#

2 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx3.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	3600s	mx02.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx02.mail.icloud.com mx01.mail.icloud.com mx3.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	78.157.125.162
🔶 Autoconfig	78.157.125.162

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 150ms

TXT Record
apple-domain=rzT7SxngV4oV3A30
v=spf1 include:icloud.com ~all

✉️ SPF#

Policy	Record (cortina.dk)
~all (soft fail)	v=spf1 include:icloud.com ~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 2026-10-13 13:45:59

www	78.157.125.162 (AS39642) (address records, no CNAME)
www vs bare domain	Same network cortina.dk: 78.157.125.162 (AS39642) www.cortina.dk: 78.157.125.162 (AS39642)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026050305
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 2026-10-14 13:21:20

Field	Value
Registrar	Simply.com A/S
Registered	2005-08-04
Expires	2035-08-31 (3238d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
jotak.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

28ms

32ms

34ms

AAAA

42ms

TXT

150ms

CAA

34ms

HTTPS

29ms

TLSA

85ms

SOA

0ms

MTA-STS

53ms

DNSSEC

76ms

SRV

62ms

Total

634ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 13:45:59	973ms	4 NS 1 A 2 MX	🔒 Secure
2026-10-01 11:31:16	1076ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-08 03:27:45 shown	634ms	4 NS 1 A 2 MX	🔒 Secure
2026-08-25 14:52:10	798ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-27 05:38:30	2411ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-16 22:49:07	3098ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-16 22:30:11	909ms	4 NS 1 A 2 MX	🔒 Secure