biga.dk

📜 Historical scan 2026-06-25 07:17:21 · ← 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 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 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 390ms

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	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 400ms

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 360ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	biga-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::10 2a01:111:f403:ca04::8 2a01:111:f403:ca09::1 52.101.68.21 52.101.68.3 52.101.73.16 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.40
🔶 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 858ms

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#

576ms

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

🏷️ SOA#

234ms

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#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

390ms

400ms

360ms

AAAA

261ms

TXT

858ms

CAA

368ms

HTTPS

239ms

TLSA

458ms

SOA

234ms

MTA-STS

487ms

DNSSEC

576ms

SRV

452ms

Total

2536ms

🕐 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 shown	2536ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 09:17:14	905ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-16 14:29:50	673ms	2 NS 1 A 1 MX	🔒 Secure