hackaarhus.dk

📜 Historical scan 2026-06-17 10:39:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hackaarhus.dk is a .dk domain served by 2 nameservers (joan.ns.cloudflare.com, lloyd.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.4.220 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
joan.ns.cloudflare.com	108.162.192.173 172.64.32.173 173.245.58.173 2606:4700:50::adf5:3aad 2803:f800:50::6ca2:c0ad 2a06:98c1:50::ac40:20ad	joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lloyd.ns.cloudflare.com	108.162.193.197 172.64.33.197 173.245.59.197 2606:4700:58::adf5:3bc5 2803:f800:50::6ca2:c1c5 2a06:98c1:50::ac40:21c5	lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.4.220	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.132.137	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:8489	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:4dc	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.4.220,172.67.132.137 ech=AEX+DQBB4AAgACDCYF+8kn+lkITHi/BN3p8uJF8P53PV1auDSJxA263SZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:8489,2606:4700:3035::6815:4dc

📝 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 03:50:06

www	104.21.4.220 172.67.132.137 2606:4700:3030::6815:4dc 2606:4700:3035::ac43:8489 (AS13335) (address records, no CNAME)
www vs bare domain	Same network hackaarhus.dk: 104.21.4.220 172.67.132.137 2606:4700:3030::6815:4dc 2606:4700:3035::ac43:8489 (AS13335) www.hackaarhus.dk: 104.21.4.220 172.67.132.137 2606:4700:3030::6815:4dc 2606:4700:3035::ac43:8489 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

117ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2406698895
Primary NS (MNAME)	joan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

35ms

34ms

36ms

AAAA

35ms

TXT

138ms

CAA

33ms

HTTPS

33ms

TLSA

70ms

SOA

32ms

MTA-STS

69ms

DNSSEC

117ms

SRV

0ms

Total

705ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 03:50:06	940ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 23:13:50	688ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 15:37:20	540ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 15:37:30	2454ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-11 15:50:43	3980ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-28 01:34:19	24935ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-03 11:31:27	802ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 18:30:41	1048ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 20:40:26	1109ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 10:41:55	752ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 10:39:47 shown	705ms	2 NS 2 A 0 MX	🔓 Insecure