feltlab.dk

📜 Historical scan 2026-06-17 09:45:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

feltlab.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 17 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.12 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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 229ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	—	—	—
ns2.dandomain.dk	—	—	—

🌍 A Records#

1 records 224ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.12	—	lb1.builder.nu	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 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 2026-10-09 13:58:23

www	212.237.249.12 (AS48854) (address records, no CNAME)
www vs bare domain	Same network feltlab.dk: 212.237.249.12 (AS48854) www.feltlab.dk: 212.237.249.12 (AS48854)
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

401ms

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

🏷️ SOA#

221ms

Field	Value
Serial	2020121703
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 22:42:09

Field	Value
Registrar	DANDOMAIN A/S
Registered	2020-12-17
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

229ms

224ms

223ms

AAAA

224ms

TXT

497ms

CAA

222ms

HTTPS

223ms

TLSA

88ms

SOA

221ms

MTA-STS

38ms

DNSSEC

401ms

SRV

0ms

Total

829ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:58:23	380ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-09 09:23:35	330ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-01 08:33:56	346ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-24 18:52:23	2346ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-02 03:04:55	426ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-26 21:58:59	481ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-25 10:50:21	637ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-23 02:41:06	986ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-22 13:43:31	1195ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 09:45:20 shown	829ms	2 NS 1 A 0 MX	🔒 Secure