nielsenit.dk

📜 Historical scan 2026-06-18 00:17:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nielsenit.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 October 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 65.21.185.42 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by mail.nielsenit.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 41ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
65.21.185.42	—	virtualmin08.fi.testlab4.us	AS24940	Hetzner Online GmbH	65.21.0.0/16	🇫🇮 Finland	Helsinki

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.nielsenit.dk	65.21.185.42	virtualmin08.fi.testlab4.us	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	nielsenit.dk → 65.21.185.42
🔶 Autoconfig	nielsenit.dk → 65.21.185.42

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 168ms

TXT Record
v=spf1 a mx a:vlc.dk ip4:89.150.142.111/32 ip6:2a06:4001:b121::/48 -all

✉️ SPF#

Policy	Record (nielsenit.dk)
-all (hard fail)	v=spf1 a mx a:vlc.dk ip4:89.150.142.111/32 ip6:2a06:4001:b121::/48 -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 07:20:09

www CNAME	nielsenit.dk (all on nielsenit.dk) → 65.21.185.42 (AS24940)
www vs bare domain	Same network nielsenit.dk: 65.21.185.42 (AS24940) www.nielsenit.dk: 65.21.185.42 (AS24940)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

144ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2026032401
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 2026-09-30 19:49:58

Field	Value
Registrar	Netsite A/S
Registered	2000-10-03
Expires	2026-12-31 (71d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

44ms

40ms

AAAA

41ms

TXT

168ms

CAA

42ms

HTTPS

39ms

TLSA

100ms

SOA

45ms

MTA-STS

46ms

DNSSEC

144ms

SRV

161ms

Total

758ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 20:57:03	519ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 19:03:04	1252ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 17:36:25	993ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 01:12:14	745ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 12:30:35	761ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 10:19:35	781ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 00:17:53 shown	758ms	2 NS 1 A 1 MX	🔒 Secure