sidemands-oplæring.dk xn--sidemands-oplring-3rb.dk

📜 Historical scan 2026-06-22 18:46:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sidemands-oplæring.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 104.21.87.52 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ariella.ns.cloudflare.com	108.162.194.32 162.159.38.32 172.64.34.32 2606:4700:50::a29f:2620 2803:f800:50::6ca2:c220 2a06:98c1:50::ac40:2220	ariella.ns.cloudflare.com ariella.ns.cloudflare.com ariella.ns.cloudflare.com ariella.ns.cloudflare.com ariella.ns.cloudflare.com ariella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kareem.ns.cloudflare.com	108.162.195.22 162.159.44.22 172.64.35.22 2606:4700:58::a29f:2c16 2803:f800:50::6ca2:c316 2a06:98c1:50::ac40:2316	kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.87.52	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.141.133	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:5734	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:8d85	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.87.52,172.67.141.133 ech=AEX+DQBB2wAgACAbKO5MwSeldLh98bnoG4oxcP7XK8GgmDwzHtDzGChCUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:5734,2606:4700:3035::ac43:8d85

📝 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 2026-10-08 14:22:03

www	104.21.87.52 172.67.141.133 2606:4700:3035::6815:5734 2606:4700:3035::ac43:8d85 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sidemands-oplæring.dk: 104.21.87.52 172.67.141.133 2606:4700:3035::6815:5734 2606:4700:3035::ac43:8d85 (AS13335) www.sidemands-oplæring.dk: 104.21.87.52 172.67.141.133 2606:4700:3035::6815:5734 2606:4700:3035::ac43:8d85 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

133ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxdomain

🏷️ SOA#

35ms

Field	Value
Serial	2404182471
Primary NS (MNAME)	ariella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-23 13:16:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-06-18
Expires	2027-06-30 (245d)

🔗 Same registrant#

7 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
champ.dk	Punktum dk A/S (direct)
sidemandsoplæring.dk	Punktum dk A/S (direct)
struktureret-sidemands-oplæring.dk	Punktum dk A/S (direct)
struktureretsidemandsoplæring.dk	Punktum dk A/S (direct)
twi4-0.dk	DANDOMAIN A/S
twi4.dk	Punktum dk A/S (direct)
twi5-0.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

33ms

AAAA

43ms

TXT

237ms

CAA

39ms

HTTPS

49ms

TLSA

258ms

SOA

35ms

MTA-STS

60ms

DNSSEC

133ms

SRV

346ms

Total

1130ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:57:19	575ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-21 19:53:58	1237ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-09 06:50:29	1458ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-16 11:01:42	1597ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-13 11:32:45	2714ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-02 08:14:25	10430ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 18:46:00 shown	1130ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-22 05:47:09	955ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 08:19:45	3275ms	2 NS 2 A 0 MX	🔒 Secure