rknudsen.dk

📜 Historical scan 2026-06-25 00:57:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rknudsen.dk is a .dk domain served by 4 nameservers (ns1-07.azure-dns.com, ns2-07.azure-dns.net, ns3-07.azure-dns.org and 1 more). It was registered on 12 February 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.239.140.33 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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#

4 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-07.azure-dns.com	13.107.236.7 2603:1061:0:700::7	ns1-07.azure-dns.com ns1-07.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-07.azure-dns.net	150.171.21.7 2620:1ec:8ec:700::7	ns2-07.azure-dns.net ns2-07.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-07.azure-dns.org	204.14.183.7 2a01:111:4000:700::7	ns3-07.azure-dns.org ns3-07.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-07.azure-dns.info	208.84.5.7 2620:1ec:bda:700::7	ns4-07.azure-dns.info ns4-07.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.239.140.33	3600s	—	AS8075	Microsoft Corporation	52.224.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

5 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx.l.google.com	2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a 64.233.161.26	lo-in-f26.1e100.net lo-in-x1a.1e100.net lh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt2.aspmx.l.google.com	192.178.158.26 2404:6800:4003:c26::1b	lcdels-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
50	3600s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4003:c26::1a	tp-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
50	3600s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1a	yunrtab-in-f27.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 271ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (rknudsen.dk)
~all (soft fail)	v=spf1 include:_spf.google.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 2026-10-11 17:21:49

www CNAME	rknudsendkprodsa.z6.web.core.windows.net (all on windows.net) → 57.150.90.164 (AS8075)
www vs bare domain	Same network rknudsen.dk: 52.239.140.33 (AS8075) www.rknudsen.dk: 57.150.90.164 (AS8075)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

86ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

69ms

Field	Value
Serial	2016040500
Primary NS (MNAME)	ns1-07.azure-dns.com
Responsible (RNAME)	msnhst@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-06 04:12:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-02-12
Expires	2027-03-31 (158d)

📋 WHOIS#

⏱️ Lookup Timing#

66ms

67ms

63ms

AAAA

62ms

TXT

271ms

CAA

54ms

HTTPS

54ms

TLSA

65ms

SOA

69ms

MTA-STS

63ms

DNSSEC

86ms

SRV

119ms

Total

953ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 11:10:52	677ms	4 NS 1 A 5 MX	🔓 Insecure
2026-09-30 05:37:00	583ms	4 NS 1 A 5 MX	🔓 Insecure
2026-09-28 02:54:31	710ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-25 00:57:24 shown	953ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-24 18:08:47	913ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-22 09:46:31	1195ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 16:06:12	2535ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-17 16:55:21	826ms	4 NS 1 A 5 MX	🔓 Insecure