feldborg.dk

📜 Historical scan 2026-06-22 14:29:08 · ← 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 53ms

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 101ms

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 69ms

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 284ms

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#

110ms

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

🏷️ SOA#

71ms

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#

53ms

101ms

69ms

AAAA

99ms

TXT

284ms

CAA

85ms

HTTPS

84ms

TLSA

103ms

SOA

71ms

MTA-STS

53ms

DNSSEC

110ms

SRV

155ms

Total

747ms

🕐 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 shown	747ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 03:15:39	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