nordsystemoptimering.dk

📜 Historical scan 2026-09-05 19:21:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nordsystemoptimering.dk is a .dk domain served by 2 nameservers (ernest.ns.cloudflare.com, sandy.ns.cloudflare.com). It was registered on 12 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.50.16 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ernest.ns.cloudflare.com	108.162.193.164 172.64.33.164 173.245.59.164 2606:4700:58::adf5:3ba4 2803:f800:50::6ca2:c1a4 2a06:98c1:50::ac40:21a4	ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sandy.ns.cloudflare.com	108.162.192.219 172.64.32.219 173.245.58.219 2606:4700:50::adf5:3adb 2803:f800:50::6ca2:c0db 2a06:98c1:50::ac40:20db	sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.50.16	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.199.60	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 84ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	173.194.220.26 173.194.220.27 173.194.221.26 173.194.221.27 2a00:1450:4010:c06::1b 2a00:1450:4010:c06::1b 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 64.233.163.26	lk-in-f26.1e100.net lk-in-f27.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lj-in-f27.1e100.net lj-in-x1b.1e100.net lk-in-f26.1e100.net lk-in-x1a.1e100.net lk-in-x1b.1e100.net lk-in-f27.1e100.net lm-in-x1a.1e100.net lm-in-f26.1e100.net lj-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 68ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:c73c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:3210	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 95ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.50.16,172.67.199.60 ech=AEX+DQBBgAAgACCw4xOtmYnBeAt8eBDQwB3FFUsTWggRRGvJFGBZ/FBSAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:c73c,2606:4700:3034::6815:3210

📝 TXT Records#

1 records 222ms

TXT Record
google-site-verification=rM6ccGwNwNJL6-vmi1X2PDFpvb8G3Wdtq8A5WF0p7oE

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-09 12:14:18

www	104.21.50.16 172.67.199.60 2606:4700:3032::ac43:c73c 2606:4700:3034::6815:3210 (AS13335) (address records, no CNAME)
www vs bare domain	Same network nordsystemoptimering.dk: 104.21.50.16 172.67.199.60 2606:4700:3032::ac43:c73c 2606:4700:3034::6815:3210 (AS13335) www.nordsystemoptimering.dk: 104.21.50.16 172.67.199.60 2606:4700:3032::ac43:c73c 2606:4700:3034::6815:3210 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.nordsystemoptimering.dk	DC-Xv7XaESEZJOCc37nhkqIMSkH2RhJ4NHHsoFeqkTE
TXT	_acme-challenge.nordsystemoptimering.dk	QTQCEuNu3eO0iF4QAsDaqNUnftiSrDywjVlFvC_jtww

🔗 TLSA / DANE#

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

🔐 DNSSEC#

134ms

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	2414004790
Primary NS (MNAME)	ernest.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 09:58:49

Field	Value
Registrar	Simply.com A/S
Registered	2026-05-12
Expires	2027-05-11 (205d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

84ms

AAAA

68ms

TXT

222ms

CAA

41ms

HTTPS

95ms

TLSA

187ms

SOA

0ms

MTA-STS

82ms

DNSSEC

134ms

SRV

88ms

Total

1375ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 09:47:32	1938ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 08:50:56	754ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 07:02:30	725ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-09 10:09:53	918ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-05 19:21:30 shown	1375ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 16:45:33	2593ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-23 20:05:49	1354ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 17:08:51	820ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 12:09:08	4102ms	3 NS 2 A 1 MX	🔒 Secure
2026-06-17 11:42:44	968ms	3 NS 2 A 1 MX	🔒 Secure