2nielsen.dk

📜 Historical scan 2026-08-22 17:20:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

2nielsen.dk is a .dk domain served by 2 nameservers (aldo.ns.cloudflare.com, jen.ns.cloudflare.com). It was registered on 21 June 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.25.154 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.improvmx.com, mx2.improvmx.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 328ms

Nameserver	IP addresses	PTR	ASN / ISP
aldo.ns.cloudflare.com	108.162.195.248 162.159.44.248 172.64.35.248 2606:4700:58::a29f:2cf8 2803:f800:50::6ca2:c3f8 2a06:98c1:50::ac40:23f8	aldo.ns.cloudflare.com aldo.ns.cloudflare.com aldo.ns.cloudflare.com aldo.ns.cloudflare.com aldo.ns.cloudflare.com aldo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jen.ns.cloudflare.com	108.162.194.185 162.159.38.185 172.64.34.185 2606:4700:50::a29f:26b9 2803:f800:50::6ca2:c2b9 2a06:98c1:50::ac40:22b9	jen.ns.cloudflare.com jen.ns.cloudflare.com jen.ns.cloudflare.com jen.ns.cloudflare.com jen.ns.cloudflare.com jen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 306ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.25.154	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.134.88	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 322ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	300s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

2 records 233ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:8658	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:199a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 259ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.25.154,172.67.134.88 ech=AEX+DQBBQQAgACBkTgHj7nPLRcNlASu/SGBSRzIku4qTcg0FweSLnAnTEwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:8658,2606:4700:3037::6815:199a

📝 TXT Records#

1 records 984ms

TXT Record
v=spf1 include:spf.improvmx.com ~all

✉️ SPF#

Policy	Record (2nielsen.dk)
~all (soft fail)	v=spf1 include:spf.improvmx.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 2026-10-08 12:01:49

www	188.114.96.1 188.114.97.1 2606:4700:3034::ac43:8658 2606:4700:3037::6815:199a (AS13335) (address records, no CNAME)
www vs bare domain	Same network 2nielsen.dk: 104.21.25.154 172.67.134.88 2606:4700:3034::ac43:8658 2606:4700:3037::6815:199a (AS13335) www.2nielsen.dk: 188.114.96.1 188.114.97.1 2606:4700:3034::ac43:8658 2606:4700:3037::6815:199a (AS13335)
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#

495ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412867036
Primary NS (MNAME)	aldo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 23:03:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-06-21
Expires	2029-06-30 (987d)

📋 WHOIS#

⏱️ Lookup Timing#

328ms

306ms

322ms

AAAA

233ms

TXT

984ms

CAA

329ms

HTTPS

259ms

TLSA

412ms

SOA

0ms

MTA-STS

419ms

DNSSEC

495ms

SRV

386ms

Total

10192ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 08:29:04	1531ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-24 04:13:12	801ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-22 17:20:47 shown	10192ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-21 17:13:13	5488ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-22 07:58:40	1635ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-25 12:36:55	920ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-20 23:48:39	765ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-19 02:51:35	7377ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-16 12:38:32	705ms	2 NS 2 A 2 MX	🔓 Insecure