headstrong.dk

📜 Historical scan 2026-08-26 16:17:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

headstrong.dk is a .dk domain served by 2 nameservers (colette.ns.cloudflare.com, yevgen.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.65.80 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 69ms

Nameserver	IP addresses	PTR	ASN / ISP
colette.ns.cloudflare.com	108.162.194.28 162.159.38.28 172.64.34.28 2606:4700:50::a29f:261c 2803:f800:50::6ca2:c21c 2a06:98c1:50::ac40:221c	colette.ns.cloudflare.com colette.ns.cloudflare.com colette.ns.cloudflare.com colette.ns.cloudflare.com colette.ns.cloudflare.com colette.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yevgen.ns.cloudflare.com	108.162.195.223 162.159.44.223 172.64.35.223 2606:4700:58::a29f:2cdf 2803:f800:50::6ca2:c3df 2a06:98c1:50::ac40:23df	yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com yevgen.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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.65.80	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.189.103	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.189.103
🔶 Autoconfig	104.21.65.80

🔷 AAAA Records (IPv6)#

2 records 65ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:bd67	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:4150	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 54ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.65.80,172.67.189.103 ech=AEX+DQBBDgAgACDH6830XIjbPhGwX6lmbkobeH4z2RDPkGcHd/DpskPMWgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:bd67,2606:4700:3035::6815:4150

📝 TXT Records#

2 records 365ms

TXT Record
facebook-domain-verification=xk6ir6qdaaj0628ptjdpu86a097udn
google-site-verification=bencko_QmcAHXIbxClIVe8V3-QYf6fRBkpM__umC6tw

✉️ 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 17:33:19

www	104.21.65.80 172.67.189.103 2606:4700:3034::ac43:bd67 2606:4700:3035::6815:4150 (AS13335) (address records, no CNAME)
www vs bare domain	Same network headstrong.dk: 104.21.65.80 172.67.189.103 2606:4700:3034::ac43:bd67 2606:4700:3035::6815:4150 (AS13335) www.headstrong.dk: 104.21.65.80 172.67.189.103 2606:4700:3034::ac43:bd67 2606:4700:3035::6815:4150 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

103ms

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	2410773100
Primary NS (MNAME)	colette.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#

69ms

36ms

56ms

AAAA

65ms

TXT

365ms

CAA

64ms

HTTPS

54ms

TLSA

105ms

SOA

0ms

MTA-STS

64ms

DNSSEC

103ms

SRV

120ms

Total

914ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 07:45:33	452ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 15:32:00	632ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-18 01:54:29	3024ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-16 10:51:19	1923ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 16:17:11 shown	914ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-15 17:06:17	4147ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-06 12:44:57	1177ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-16 14:57:46	1095ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 11:10:56	812ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 11:04:56	2959ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 10:56:44	1200ms	2 NS 2 A 0 MX	🔓 Insecure