feldborg.dk

📜 Historical scan 2026-06-20 03:15:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

feldborg.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.2.64.143 is hosted by Amazon.com, Inc. (AS14618) in United States. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.2.64.143	1800s	florida.shnw.net	AS14618	Amazon.com, Inc.	52.0.0.0/13	🇺🇸 United States	Ashburn

📧 MX Records#

2 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S
20	3600s	mx2.dandomain.dk	46.36.209.11	mx2.dandomain.dk	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.dandomain.dk → 212.237.249.98
🔶 Autoconfig	autoconfig-mf.dandomain.dk → 212.237.249.54

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 246ms

TXT Record
MS=ms92149996
v=spf1 include:spf.dandomain.dk ?all

✉️ SPF#

Policy	Record (feldborg.dk)
?all (neutral)	v=spf1 include:spf.dandomain.dk ?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 2026-10-13 07:45:13

www	52.2.64.143 (AS14618) (address records, no CNAME)
www vs bare domain	Same network feldborg.dk: 52.2.64.143 (AS14618) www.feldborg.dk: 52.2.64.143 (AS14618)
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: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

119ms

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

🏷️ SOA#

30ms

Field	Value
Serial	2021060200
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 2026-10-09 11:28:03

Field	Value
Registrar	DANDOMAIN A/S
Registered	1998-02-16
Expires	2027-03-31 (161d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

41ms

33ms

AAAA

40ms

TXT

246ms

CAA

40ms

HTTPS

41ms

TLSA

374ms

SOA

30ms

MTA-STS

115ms

DNSSEC

119ms

SRV

231ms

Total

860ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 19:23:07	836ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-26 02:39:50	1630ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-22 14:29:08	747ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 03:15:39 shown	860ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-19 16:14:42	524ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 09:20:36	931ms	2 NS 1 A 2 MX	🔒 Secure