rsknudsen.dk

📜 Historical scan 2026-09-29 18:26:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rsknudsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 May 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.206.199.141 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by smtptrap.bbsyd.dk, m.wooa.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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.206.199.141	43200s	m.wooa.dk	AS39642	Sinal A/S	5.206.192.0/21	🇩🇰 Denmark	Sønderborg

📧 MX Records#

2 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	43200s	smtptrap.bbsyd.dk	—	—	—
10	3600s	m.wooa.dk	5.206.199.141	m.wooa.dk	AS39642 Sinal A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 148ms

TXT Record
v=spf1 mx a:m.wooa.dk -all

✉️ SPF#

Policy	Record (rsknudsen.dk)
-all (hard fail)	v=spf1 mx a:m.wooa.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 2026-10-12 05:41:22

www	5.206.199.141 (AS39642) (address records, no CNAME)
www vs bare domain	Same network rsknudsen.dk: 5.206.199.141 (AS39642) www.rsknudsen.dk: 5.206.199.141 (AS39642)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

75ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-08 16:36:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-05-12
Expires	2027-05-31 (226d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

37ms

AAAA

39ms

TXT

148ms

CAA

52ms

HTTPS

34ms

TLSA

80ms

SOA

0ms

MTA-STS

57ms

DNSSEC

75ms

SRV

53ms

Total

522ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 05:41:22	1210ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-29 18:26:26 shown	522ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-10 22:08:07	733ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-02 03:57:56	586ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-12 11:33:14	958ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-18 03:33:59	819ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-14 01:11:25	671ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-01 13:18:39	577ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-28 15:01:08	636ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 22:20:21	4596ms	2 NS 1 A 2 MX	🔒 Secure