rsvn.dk

📜 Historical scan 2026-10-05 15:28:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rsvn.dk is a .dk domain served by 2 nameservers (kyle.ns.cloudflare.com, sandy.ns.cloudflare.com). It was registered on 29 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.82 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
kyle.ns.cloudflare.com	108.162.195.111 162.159.44.111 172.64.35.111 2606:4700:58::a29f:2c6f 2803:f800:50::6ca2:c36f 2a06:98c1:50::ac40:236f	kyle.ns.cloudflare.com kyle.ns.cloudflare.com kyle.ns.cloudflare.com kyle.ns.cloudflare.com kyle.ns.cloudflare.com kyle.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sandy.ns.cloudflare.com	108.162.192.219 172.64.32.219 173.245.58.219 2606:4700:50::adf5:3adb 2803:f800:50::6ca2:c0db 2a06:98c1:50::ac40:20db	sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.82	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.200	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
2606:4700:3034::6815:3652	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:88c8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.82,172.67.136.200 ech=AEX+DQBBTgAgACAJS1WMYH/E/tKugpIXSsWQv2/BAH6LNsOlIeZhLTwUAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:3652,2606:4700:3035::ac43:88c8

📝 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 16:18:15

www	NXDOMAIN
www vs bare domain	www does not resolve rsvn.dk: 104.21.54.82 172.67.136.200 2606:4700:3034::6815:3652 2606:4700:3035::ac43:88c8 (AS13335) www.rsvn.dk: no address (all like this)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rsvn.dk	arE6CyxMoYyS3TBaNo9tGq1GOrhJtjXnYMV45R5I3BI
TXT	_acme-challenge.rsvn.dk	r6ar7A5ODeG9aA-1O4PrJB1BYdAPi772LFSZQf8trYU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

121ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

43ms

Field	Value
Serial	2416683881
Primary NS (MNAME)	kyle.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 15:37:51

Field	Value
Registrar	Simply.com A/S
Registered	2026-04-29
Expires	2027-04-28 (191d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

43ms

40ms

AAAA

39ms

TXT

165ms

CAA

42ms

HTTPS

47ms

TLSA

58ms

SOA

43ms

MTA-STS

65ms

DNSSEC

121ms

SRV

62ms

Total

626ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 15:33:55	3773ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-05 15:28:39 shown	626ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 14:57:02	1868ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 03:52:32	914ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 07:44:22	1116ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-07 00:55:56	9373ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-09 15:51:02	2641ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-07 12:43:54	1547ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 23:29:24	488ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-19 10:14:38	725ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-17 17:48:08	6670ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-17 17:39:09	2267ms	3 NS 0 A 0 MX	🔒 Secure