fysikklubben.dk

📜 Historical scan 2026-09-04 21:12:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fysikklubben.dk is a .dk domain served by 2 nameservers (bowen.ns.cloudflare.com, ryleigh.ns.cloudflare.com). It was registered on 5 July 2026 (WHOIS) and first appeared in the .dk zone on 6 July 2026. Its website address 104.21.23.75 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
bowen.ns.cloudflare.com	108.162.195.83 162.159.44.83 172.64.35.83 2606:4700:58::a29f:2c53 2803:f800:50::6ca2:c353 2a06:98c1:50::ac40:2353	bowen.ns.cloudflare.com bowen.ns.cloudflare.com bowen.ns.cloudflare.com bowen.ns.cloudflare.com bowen.ns.cloudflare.com bowen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryleigh.ns.cloudflare.com	108.162.194.198 162.159.38.198 172.64.34.198 2606:4700:50::a29f:26c6 2803:f800:50::6ca2:c2c6 2a06:98c1:50::ac40:22c6	ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.23.75	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.209.201	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:d1c9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:174b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.75,172.67.209.201 ech=AEX+DQBBTQAgACDdQFFaVYcWQJiZCooyg4R5jOCZ+eYpuj1/StP5MV1VOAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:d1c9,2606:4700:3036::6815:174b

📝 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 10:17:05

www	104.21.23.75 172.67.209.201 2606:4700:3035::ac43:d1c9 2606:4700:3036::6815:174b (AS13335) (address records, no CNAME)
www vs bare domain	Same network fysikklubben.dk: 104.21.23.75 172.67.209.201 2606:4700:3035::ac43:d1c9 2606:4700:3036::6815:174b (AS13335) www.fysikklubben.dk: 104.21.23.75 172.67.209.201 2606:4700:3035::ac43:d1c9 2606:4700:3036::6815:174b (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.fysikklubben.dk	7Ws_r8Izf0JT183AM8nS1MEwbLKiRUY7QHch9aF_-ZM
TXT	_acme-challenge.fysikklubben.dk	KSGn0xg_6SwSnLlcIzthMF5MX_rAUO16S493H_N6OS4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

125ms

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	2413868842
Primary NS (MNAME)	bowen.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-09-04 21:15:32

Field	Value
Registrar	ONE.COM A/S
Registered	2026-07-05
Expires	2027-07-04 (254d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

48ms

26ms

AAAA

49ms

TXT

175ms

CAA

60ms

HTTPS

59ms

TLSA

66ms

SOA

0ms

MTA-STS

66ms

DNSSEC

125ms

SRV

80ms

Total

1432ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:17:05	2129ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-03 03:09:50	591ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 08:24:27	416ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-11 22:08:34	1127ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 21:12:34 shown	1432ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-06 08:41:52	3965ms	2 NS 2 A 0 MX	🔓 Insecure