optimerings-guiden.dk

📜 Historical scan 2026-08-30 10:54:37  ·  ← 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   91ms

🌍 A Records#

2 records   104ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   101ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.unoeuro.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover94.231.107.250
🔶 Autoconfig94.231.107.250

🔷 AAAA Records (IPv6)#

2 records   87ms

🔐 HTTPS Records#

1 records   92ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.89.250,172.67.166.49 ech=AEX+DQBBVgAgACD+UwipTPpW1Qr7CtEiJe5szhTb2LA4H9OoJRPSLqlZfAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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
www104.21.89.250 172.67.166.49 2606:4700:3033::ac43:a631 2606:4700:3037::6815:59fa (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

261ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413537950
Primary NS (MNAME)josh.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 04:02:01
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2013-08-22
Expires2030-08-31 (1405d)

🔗 Same registrant#

12 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
91ms
A
104ms
MX
101ms
AAAA
87ms
TXT
371ms
CAA
94ms
HTTPS
92ms
TLSA
142ms
SOA
0ms
MTA-STS
199ms
DNSSEC
261ms
SRV
196ms
Total
1476ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 1476ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-28 22:31:36 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
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