dsuk.dk

📜 Historical scan 2026-06-19 14:14:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dsuk.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 30 December 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.58.213.233 is hosted by mono solutions ApS (AS201595) in Denmark. Mail is handled by dsuk-dk.mail.protection.outlook.com. 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 42ms

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 93ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.58.213.233	600s	—	AS201595	mono solutions ApS	185.58.212.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	dsuk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::a 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.39 52.101.73.16 52.101.73.28 52.101.73.4	mail-db4pr02cu00307.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 286ms

TXT Record
v=spf1 ip4:193.89.188.146 ip4:185.21.42.15 include:spf.protection.outlook.com include:spf.system-team.net include:spfinclude.sikkermail.dk include:dedicated.mysmtp.com -all

✉️ SPF#

Policy	Record (dsuk.dk)
-all (hard fail)	v=spf1 ip4:193.89.188.146 ip4:185.21.42.15 include:spf.protection.outlook.com include:spf.system-team.net include:spfinclude.sikkermail.dk include:dedicated.mysmtp.com -all

📨 DMARC#

Policy	Record (_dmarc.dsuk.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:abuse@dsuk.dk; ruf=mailto:abuse@dsuk.dk; fo=0; pct=100; ri=86400

📬 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 2026-10-21 03:12:48

www	185.58.213.233 (AS201595) (address records, no CNAME)
www vs bare domain	Same network dsuk.dk: 185.58.213.233 (AS201595) www.dsuk.dk: 185.58.213.233 (AS201595)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

125ms

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

🏷️ SOA#

71ms

Field	Value
Serial	2024022901
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 2026-10-19 02:40:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-12-30
Expires	2026-11-30 (39d)

🔗 Same registrant#

4 domains

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
algeciras.dk	Punktum dk A/S (direct)
danskkirke.dk	Punktum dk A/S (direct)
dksc.dk	Punktum dk A/S (direct)
dsuk-spanien.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

93ms

39ms

AAAA

40ms

TXT

286ms

CAA

43ms

HTTPS

2027ms

TLSA

233ms

SOA

71ms

MTA-STS

113ms

DNSSEC

125ms

SRV

107ms

Total

2693ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 03:12:48	1050ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 10:53:15	1347ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 07:05:46	1002ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 21:01:45	1142ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 20:09:51	1414ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 14:14:50 shown	2693ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 04:50:20	814ms	2 NS 1 A 1 MX	🔒 Secure