sidemandsoplæring.dk xn--sidemandsoplring-5ob.dk

📜 Historical scan 2026-06-28 15:50:49  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sidemandsoplæring.dk is a .dk domain served by 2 nameservers (ariella.ns.cloudflare.com, kareem.ns.cloudflare.com). It was registered on 18 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.19.167 is hosted by Cloudflare, Inc. (AS13335). The zone is of unknown DNSSEC status, 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   151ms

🌍 A Records#

2 records   212ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.19.167 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.186.252 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover212.237.249.17
🔶 Autoconfig212.237.249.17

🔷 AAAA Records (IPv6)#

2 records   200ms

🔐 HTTPS Records#

1 records   190ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.19.167,172.67.186.252 ech=AEX+DQBBVQAgACB8rErNpyYbymQGWggG5InLjm8QM2igFNbioWz9s2yADgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:bafc,2606:4700:3037::6815:13a7

📝 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 2026-10-18 10:05:28
www104.21.19.167 172.67.186.252 2606:4700:3034::ac43:bafc 2606:4700:3037::6815:13a7 (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#

306ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxdomain

🏷️ SOA#

182ms
FieldValue
Serial2404123183
Primary NS (MNAME)ariella.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 11:10:06
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2021-06-18
Expires2027-06-30 (246d)

🔗 Same registrant#

6 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).

DomainRegistrar
champ.dkPunktum dk A/S (direct)
sidemands-oplæring.dkPunktum dk A/S (direct)
struktureret-sidemands-oplæring.dkPunktum dk A/S (direct)
twi4-0.dkDANDOMAIN A/S
twi4.dkPunktum dk A/S (direct)
twi5-0.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
151ms
A
212ms
MX
189ms
AAAA
200ms
TXT
516ms
CAA
158ms
HTTPS
190ms
TLSA
318ms
SOA
182ms
MTA-STS
212ms
DNSSEC
306ms
SRV
259ms
Total
1656ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-29 17:33:54 567ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-26 22:37:08 580ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-18 17:00:37 625ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-10 03:40:43 2074ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-02 11:02:45 806ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-18 01:38:46 1853ms 2 NS 2 A 0 MX ❓ Unknown
2026-07-13 01:45:33 957ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-28 15:50:49 shown 1656ms 2 NS 2 A 0 MX ❓ Unknown
2026-06-22 22:13:53 835ms 2 NS 2 A 0 MX ❓ Unknown
2026-06-18 08:25:44 1200ms 2 NS 2 A 0 MX 🔒 Secure
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