buinvest.dk

📜 Historical scan 2026-10-02 22:39:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

buinvest.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 12 May 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.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#

3 records 35ms

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#

2 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.mail.icloud.com	17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com — smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com — — —	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	3600s	mx02.mail.icloud.com	17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com — smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com — — —	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 110ms

TXT Record
apple-domain=Xxj5Om8w4PAm3eqr
v=spf1 include:icloud.com ~all

✉️ SPF#

Policy	Record (buinvest.dk)
~all (soft fail)	v=spf1 include:icloud.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 2026-10-21 04:41:15

www	NXDOMAIN
www vs bare domain	Neither resolves buinvest.dk: no address www.buinvest.dk: no address
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

40ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-09 08:14:40

Field	Value
Registrar	Simply.com A/S
Registered	2025-05-12
Expires	2027-05-11 (195d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

31ms

33ms

AAAA

43ms

TXT

110ms

CAA

32ms

HTTPS

38ms

TLSA

111ms

SOA

40ms

MTA-STS

60ms

DNSSEC

108ms

SRV

45ms

Total

772ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 04:41:15	537ms	3 NS 0 A 2 MX	🔒 Secure
2026-10-13 10:42:01	944ms	3 NS 0 A 2 MX	🔒 Secure
2026-10-02 22:39:43 shown	772ms	3 NS 0 A 2 MX	🔒 Secure
2026-09-11 12:40:59	738ms	3 NS 0 A 2 MX	🔒 Secure
2026-06-22 03:58:21	561ms	3 NS 0 A 2 MX	🔒 Secure
2026-06-21 13:01:38	539ms	3 NS 0 A 2 MX	🔒 Secure
2026-06-20 14:29:06	644ms	3 NS 0 A 2 MX	🔒 Secure
2026-06-16 17:41:07	660ms	3 NS 0 A 2 MX	⚠️ Bogus
2026-06-16 17:41:04	1103ms	3 NS 0 A 2 MX	🔒 Secure