refibu.dk

📜 Historical scan 2026-09-01 18:05:16 · ← Latest scan

🧟 Lame delegation ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

refibu.dk is a registered .dk domain whose nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 30 November 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 131ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 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 2026-10-22 04:57:24

www CNAME	ext-cust.squarespace.com (all on squarespace.com) → 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831)
www vs bare domain	Same network refibu.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) www.refibu.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831)
Wildcard	No
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
google	—	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#

9169ms

Check	Result
Validation Status	❓ Unknown (the delegated nameservers don't answer)
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-19 11:53:47

Field	Value
Registrar	Simply.com A/S
Registered	2022-11-30
Expires	2026-11-29 (33d)

📋 WHOIS#

⏱️ Lookup Timing#

131ms

104ms

95ms

AAAA

125ms

TXT

494ms

CAA

129ms

HTTPS

116ms

TLSA

118ms

SOA

103ms

MTA-STS

125ms

DNSSEC

9169ms

SRV

177ms

Total

10094ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 04:57:24	496ms	3 NS 4 A 1 MX	🔓 Insecure
2026-10-19 11:16:22	939ms	3 NS 4 A 1 MX	🔓 Insecure
2026-10-13 04:48:24	514ms	3 NS 0 A 1 MX	🔓 Insecure
2026-10-07 21:58:44	480ms	3 NS 0 A 1 MX	🔓 Insecure
2026-10-02 10:03:48	1290ms	3 NS 0 A 1 MX	🔓 Insecure
2026-09-30 09:54:40	464ms	3 NS 0 A 1 MX	🔓 Insecure
2026-09-30 02:54:00	685ms	3 NS 0 A 1 MX	🔓 Insecure
2026-09-01 18:05:16 shown	10094ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-25 01:53:50	1633ms	3 NS 0 A 1 MX	🔓 Insecure
2026-08-21 16:10:40	879ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-24 00:31:18	628ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:31:48	2076ms	3 NS 1 A 1 MX	🔓 Insecure