nielson.dk

📜 Historical scan 2026-07-17 23:46:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nielson.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.72.126.249 is hosted by DKTV A/S (AS15516) in Denmark. Mail is handled by mail.nielson.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 32ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.72.126.249	4320s	ip175.amb56.cust.comxnet.dk	AS15516	DKTV A/S	87.72.0.0/15	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.nielson.dk	193.28.149.166	—	AS31709 Cortex Consult A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.nielson.dk → 193.28.149.166

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 204ms

TXT Record
google-site-verification=RwfN1gtOA_hGtaOPoJh6vyWz4l68po-X_UctMu7bRAc
v=spf1 mx include:spf.smtp2go.com -all

✉️ SPF#

Policy	Record (nielson.dk)
-all (hard fail)	v=spf1 mx include:spf.smtp2go.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 2026-10-12 16:02:27

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks nielson.dk: 87.72.126.249 (AS15516) www.nielson.dk: 46.30.211.38 (AS51468) (all like this)
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#

131ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026071701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

32ms

39ms

44ms

AAAA

42ms

TXT

204ms

CAA

52ms

HTTPS

44ms

TLSA

67ms

SOA

0ms

MTA-STS

48ms

DNSSEC

131ms

SRV

137ms

Total

691ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 16:02:27	1532ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 05:37:37	478ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 11:24:15	570ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 21:37:01	1177ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 14:19:18	495ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 21:23:30	795ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 23:46:47 shown	691ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 02:32:08	804ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 01:54:00	4669ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 02:36:01	2842ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 22:39:59	23167ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-02 22:43:21	23901ms	2 NS 0 A 0 MX	❓ Unknown
2026-06-26 22:31:47	622ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 20:18:08	712ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:02:06	1007ms	2 NS 1 A 1 MX	🔒 Secure