ravkursus.dk

📜 Historical scan 2026-08-26 23:06:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ravkursus.dk is a .dk domain served by 2 nameservers (hans.ns.cloudflare.com, katja.ns.cloudflare.com). It was registered on 2 September 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.250 is hosted by Cloudflare, Inc. (AS13335). 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 55ms

Nameserver	IP addresses	PTR	ASN / ISP
hans.ns.cloudflare.com	108.162.193.175 172.64.33.175 173.245.59.175 2606:4700:58::adf5:3baf 2803:f800:50::6ca2:c1af 2a06:98c1:50::ac40:21af	hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
katja.ns.cloudflare.com	108.162.194.53 162.159.38.53 172.64.34.53 2606:4700:50::a29f:2635 2803:f800:50::6ca2:c235 2a06:98c1:50::ac40:2235	katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.250	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.8	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:ac08	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:4ffa	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 74ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.250,172.67.172.8 ech=AEX+DQBBHQAgACCVKH0tapWKW1aDmmItLE41khRkYqidlTUBnmJguY6hAgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ac08,2606:4700:3035::6815:4ffa

📝 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 2026-10-22 04:08:42

www	104.21.79.250 172.67.172.8 2606:4700:3032::ac43:ac08 2606:4700:3035::6815:4ffa (AS13335) (address records, no CNAME)
www vs bare domain	Same network ravkursus.dk: 188.114.96.1 188.114.97.1 2606:4700:3032::ac43:ac08 2606:4700:3035::6815:4ffa (AS13335) www.ravkursus.dk: 104.21.79.250 172.67.172.8 2606:4700:3032::ac43:ac08 2606:4700:3035::6815:4ffa (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

105ms

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	2412748436
Primary NS (MNAME)	hans.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-08-20 02:41:24

Field	Value
Registrar	DANDOMAIN A/S
Registered	2021-09-02
Expires	2026-09-30 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

55ms

39ms

54ms

AAAA

39ms

TXT

207ms

CAA

54ms

HTTPS

74ms

TLSA

103ms

SOA

0ms

MTA-STS

100ms

DNSSEC

105ms

SRV

94ms

Total

693ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 04:08:42	762ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-19 19:56:51	605ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-18 19:11:01	435ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-03 10:15:15	540ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 22:24:01	711ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 22:51:57	2449ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-18 20:04:36	1072ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 23:06:23 shown	693ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 00:59:44	9482ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-21 04:22:07	6077ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-20 02:41:10	1354ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 05:03:57	2566ms	2 NS 1 A 0 MX	🔒 Secure