refu.dk

📜 Historical scan 2026-06-20 03:42:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

refu.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 15 December 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.158.20 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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 126ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 124ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.158.20	3600s	linux15.dandomain.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.191.158.20
🔶 Autoconfig	93.191.158.20

🔷 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 2026-10-14 23:13:59

www	93.191.158.20 (AS48854) (address records, no CNAME)
www vs bare domain	Same network refu.dk: 93.191.158.20 (AS48854) www.refu.dk: 93.191.158.20 (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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

252ms

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

🏷️ SOA#

120ms

Field	Value
Serial	2021121501
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 18:45:31

Field	Value
Registrar	DANDOMAIN A/S
Registered	2021-12-15
Expires	2026-12-14 (56d)

📋 WHOIS#

⏱️ Lookup Timing#

126ms

124ms

131ms

AAAA

129ms

TXT

364ms

CAA

125ms

HTTPS

124ms

TLSA

1009ms

SOA

120ms

MTA-STS

290ms

DNSSEC

252ms

SRV

333ms

Total

1534ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 13:58:32	580ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-03 20:20:25	523ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-28 12:40:02	1783ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-27 19:21:29	533ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-20 03:42:21 shown	1534ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-17 11:43:41	501ms	2 NS 1 A 0 MX	🔒 Secure