aktholding.dk

📜 Historical scan 2026-06-16 12:54:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aktholding.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 23 February 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.205.114.33 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by mail.admin-securefirst.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#

3 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.205.114.33	—	—	AS8075	Microsoft Corporation	172.200.0.0/13	🇮🇪 Ireland	—

📧 MX Records#

1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.admin-securefirst.dk	159.69.242.34	mail.admin-securefirst.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 177ms

TXT Record
v=spf1 mx a -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.aktholding.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 15:59:43

www	172.205.114.33 (AS8075) (address records, no CNAME)
www vs bare domain	Same network aktholding.dk: 172.205.114.33 (AS8075) www.aktholding.dk: 172.205.114.33 (AS8075)
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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

189ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2026060801
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 2026-10-05 06:39:18

Field	Value
Registrar	Simply.com A/S
Registered	2026-02-23
Expires	2027-02-22 (121d)

📋 WHOIS#

⏱️ Lookup Timing#

63ms

30ms

57ms

AAAA

67ms

TXT

177ms

CAA

32ms

HTTPS

49ms

TLSA

176ms

SOA

34ms

MTA-STS

106ms

DNSSEC

189ms

SRV

0ms

Total

1097ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 15:59:42	1048ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-04 05:37:25	700ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 05:10:28	530ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 11:13:35	738ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 19:08:34	745ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-24 18:25:14	674ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-30 03:21:12	677ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-18 12:56:21	728ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:54:14 shown	1097ms	3 NS 1 A 1 MX	🔒 Secure