dupa.dk

📜 Historical scan 2026-06-23 19:01:27 · ← 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. Its website address 93.191.155.37 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by dupa-dk.mail.protection.outlook.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#

2 records 166ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 163ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.37	3600s	splash.zitcom.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 160ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	dupa-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca09::9 52.101.68.0 52.101.68.5 52.101.73.12 52.101.73.24	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.179.88
🔶 Autoconfig	93.191.155.37

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 321ms

TXT Record
MS=ms51880605
v=spf1 include:spf.minuba.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (dupa.dk)
-all (hard fail)	v=spf1 include:spf.minuba.dk include:spf.protection.outlook.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 2026-10-09 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.

🔎 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#

240ms

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

🏷️ SOA#

171ms

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#

166ms

163ms

160ms

AAAA

157ms

TXT

321ms

CAA

158ms

HTTPS

146ms

TLSA

137ms

SOA

171ms

MTA-STS

173ms

DNSSEC

240ms

SRV

240ms

Total

1113ms

🕐 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 shown	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	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