optimerings-guiden.dk

📜 Historical scan 2026-08-28 22:31:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optimerings-guiden.dk is a .dk domain served by 2 nameservers (josh.ns.cloudflare.com, lisa.ns.cloudflare.com). It was registered on 22 August 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.89.250 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.unoeuro.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 89ms

Nameserver	IP addresses	PTR	ASN / ISP
josh.ns.cloudflare.com	108.162.193.126 172.64.33.126 173.245.59.126 2606:4700:58::adf5:3b7e 2803:f800:50::6ca2:c17e 2a06:98c1:50::ac40:217e	josh.ns.cloudflare.com josh.ns.cloudflare.com josh.ns.cloudflare.com josh.ns.cloudflare.com josh.ns.cloudflare.com josh.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lisa.ns.cloudflare.com	108.162.192.131 172.64.32.131 173.245.58.131 2606:4700:50::adf5:3a83 2803:f800:50::6ca2:c083 2a06:98c1:50::ac40:2083	lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.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 82ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.89.250	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.166.49	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 97ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.unoeuro.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.107.250
🔶 Autoconfig	94.231.107.250

🔷 AAAA Records (IPv6)#

2 records 116ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:a631	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:59fa	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 80ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.89.250,172.67.166.49 ech=AEX+DQBBFgAgACCm64QZ3tjOHVNn2fVn7xFFxgL8Ym8ZpjAj95U85Hk3HwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:a631,2606:4700:3037::6815:59fa

📝 TXT Records#

📝

No TXT records found

✉️ 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 09:35:13

www	104.21.89.250 172.67.166.49 2606:4700:3033::ac43:a631 2606:4700:3037::6815:59fa (AS13335) (address records, no CNAME)
www vs bare domain	Same network optimerings-guiden.dk: 104.21.89.250 172.67.166.49 2606:4700:3033::ac43:a631 2606:4700:3037::6815:59fa (AS13335) www.optimerings-guiden.dk: 104.21.89.250 172.67.166.49 2606:4700:3033::ac43:a631 2606:4700:3037::6815:59fa (AS13335)
Wildcard	Yes: any name under the zone resolves

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.optimerings-guiden.dk	O4B2WiET1-IK8JiRVMu6c6Zu416H4Zc0ZYLSG8qNDJc
TXT	_acme-challenge.optimerings-guiden.dk	uz2VR8G2NOcaulUol3ZDD5lIAy-tDqxz6zmxaX0m5yk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

224ms

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	2413399061
Primary NS (MNAME)	josh.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 04:02:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-08-22
Expires	2030-08-31 (1405d)

🔗 Same registrant#

12 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
bodysds-uddannelse.dk	PerfGrid
din-blog.dk	Punktum dk A/S (direct)
franchise-systemer.dk	Punktum dk A/S (direct)
kims-webdesign.dk	Punktum dk A/S (direct)
naboportal.dk	PerfGrid
naboportalen.dk	PerfGrid
seo-foredrag.dk	Punktum dk A/S (direct)
seo-kbh.dk	Punktum dk A/S (direct)
seo-underviser.dk	Punktum dk A/S (direct)
stjernelund.dk	Punktum dk A/S (direct)
stylist-makeupartist.dk	Punktum dk A/S (direct)
webdesign-ktj.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

89ms

82ms

97ms

AAAA

116ms

TXT

396ms

CAA

115ms

HTTPS

80ms

TLSA

361ms

SOA

0ms

MTA-STS

109ms

DNSSEC

224ms

SRV

148ms

Total

1569ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:35:13	1935ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 09:24:09	3510ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-30 10:54:37	1476ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 22:31:36 shown	1569ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 18:25:01	798ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 00:02:52	3380ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-10 02:43:04	2039ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-30 15:43:17	1064ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 19:53:13	856ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 06:04:51	616ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 17:13:44	751ms	2 NS 2 A 1 MX	❓ Unknown