bitholding.dk

📜 Historical scan 2026-06-19 07:32:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bitholding.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 25 June 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by bitholding-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 90ms

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#

🌍

No A records found

📧 MX Records#

1 records 87ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	bitholding-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::d 2a01:111:f403:ca09::1 2a01:111:f403:ca09::6 52.101.68.25 52.101.73.19 52.101.73.26 52.101.73.4	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.62.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 82ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 262ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (bitholding.dk)
-all (hard fail)	v=spf1 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 2026-10-12 13:40:59

www	NXDOMAIN
www vs bare domain	Neither resolves bitholding.dk: no address www.bitholding.dk: no address
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2021111801
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 2026-10-20 17:06:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-06-25
Expires	2027-06-30 (247d)

🔗 Same registrant#

1 domain

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
designersfavorites.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

90ms

45ms

87ms

AAAA

35ms

TXT

262ms

CAA

87ms

HTTPS

52ms

TLSA

290ms

SOA

45ms

MTA-STS

65ms

DNSSEC

76ms

SRV

82ms

Total

1005ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:49:11	1260ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-29 15:00:37	834ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-23 01:14:10	1266ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-22 08:06:40	1164ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 07:32:17 shown	1005ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-16 14:41:17	3572ms	2 NS 0 A 1 MX	🔒 Secure