dupa.dk

📜 Historical scan 2026-06-17 05:13:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dupa.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 31 July 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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#

2 records 514ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	—	—	—
ns2.scannet2.dk	—	—	—

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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 17:45:45

www	93.191.155.37 (AS48854) (address records, no CNAME)
www vs bare domain	Same network dupa.dk: 93.191.155.37 (AS48854) www.dupa.dk: 93.191.155.37 (AS48854)
Wildcard	Yes: any name under the zone resolves
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
selector1	selector1-dupa-dk._domainkey.stroyer.onmicrosoft.com	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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1216ms

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

🏷️ SOA#

500ms

Field	Value
Serial	2022051201
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-10 12:11:27

Field	Value
Registrar	A/S SCANNET
Registered	2019-07-31
Expires	2027-07-31 (284d)

📋 WHOIS#

⏱️ Lookup Timing#

514ms

933ms

927ms

AAAA

491ms

TXT

1758ms

CAA

1045ms

HTTPS

499ms

TLSA

126ms

SOA

500ms

MTA-STS

332ms

DNSSEC

1216ms

SRV

0ms

Total

8609ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-26 10:03:51	679ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 19:01:27	1113ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 05:10:55	1196ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 00:09:56	633ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 05:13:59 shown	8609ms	2 NS 0 A 0 MX	🔒 Secure
2026-06-17 05:06:21	799ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 05:05:41	1687ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 05:01:09	2615ms	2 NS 1 A 1 MX	🔒 Secure