biga.dk

📜 Historical scan 2026-06-24 09:17:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biga.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 21 August 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.100.15.180 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by biga-dk.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, 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 105ms

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 108ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.100.15.180	3600s	—	AS8075	Microsoft Corporation	23.100.0.0/15	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	biga-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09:: 2a01:111:f403:ca09::7 2a01:111:f403:ca09::9 52.101.68.21 52.101.68.25 52.101.68.39 52.101.73.12	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 52.98.149.152
🔶 Autoconfig	biga.dk → 23.100.15.180

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 265ms

TXT Record
MS=ms50815323
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (biga.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 2026-10-10 07:17:27

www CNAME	biga.dk (all on biga.dk) → 23.100.15.180 (AS8075)
www vs bare domain	Same network biga.dk: 23.100.15.180 (AS8075) www.biga.dk: 23.100.15.180 (AS8075)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.biga.dk	biga.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'biga.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

63ms

Field	Value
Serial	2025112401
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 02:19:10

Field	Value
Registrar	CURANET A/S
Registered	1997-08-21
Expires	2027-09-30 (346d)

🔗 Same registrant#

3 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
bigaconcept.dk	Punktum dk A/S (direct)
bigainterior.dk	Punktum dk A/S (direct)
kreum.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

105ms

108ms

40ms

AAAA

104ms

TXT

265ms

CAA

40ms

HTTPS

39ms

TLSA

257ms

SOA

63ms

MTA-STS

65ms

DNSSEC

80ms

SRV

208ms

Total

905ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 23:54:56	1330ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 08:00:34	2262ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 07:17:21	2536ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 09:17:14 shown	905ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-16 14:29:50	673ms	2 NS 1 A 1 MX	🔒 Secure