offsec.dk

📜 Historical scan 2026-09-19 00:13:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

offsec.dk is a .dk domain served by 2 nameservers (etta.ns.cloudflare.com, ian.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.66.227 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 99ms

Nameserver	IP addresses	PTR	ASN / ISP
etta.ns.cloudflare.com	108.162.192.156 172.64.32.156 173.245.58.156 2606:4700:50::adf5:3a9c 2803:f800:50::6ca2:c09c 2a06:98c1:50::ac40:209c	etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ian.ns.cloudflare.com	108.162.193.118 172.64.33.118 173.245.59.118 2606:4700:58::adf5:3b76 2803:f800:50::6ca2:c176 2a06:98c1:50::ac40:2176	ian.ns.cloudflare.com ian.ns.cloudflare.com ian.ns.cloudflare.com ian.ns.cloudflare.com ian.ns.cloudflare.com ian.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 113ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.66.227	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.208.182	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 100ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:d0b6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:42e3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 111ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.66.227,172.67.208.182 ech=AEX+DQBBFwAgACAThpJsrvcoKO4NLPAHdg+EWp0L4nzNY35o2j7ye2CdDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d0b6,2606:4700:3036::6815:42e3

📝 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 2026-10-14 19:26:53

www	104.21.66.227 172.67.208.182 2606:4700:3032::ac43:d0b6 2606:4700:3036::6815:42e3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network offsec.dk: 104.21.66.227 172.67.208.182 2606:4700:3032::ac43:d0b6 2606:4700:3036::6815:42e3 (AS13335) www.offsec.dk: 104.21.66.227 172.67.208.182 2606:4700:3032::ac43:d0b6 2606:4700:3036::6815:42e3 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.offsec.dk	DKCpg509HvisU1xEWnolNUlItbizQCPW-j8xsMVcPxk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

165ms

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	2415117256
Primary NS (MNAME)	etta.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#

99ms

113ms

119ms

AAAA

100ms

TXT

248ms

CAA

113ms

HTTPS

111ms

TLSA

397ms

SOA

0ms

MTA-STS

113ms

DNSSEC

165ms

SRV

133ms

Total

1336ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 04:26:20	959ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 03:13:24	2371ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-19 08:12:33	544ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-19 00:13:12 shown	1336ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 20:11:12	1211ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 07:53:29	644ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-18 11:58:34	8875ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-06 03:24:26	3245ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 02:43:59	854ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 21:44:08	4719ms	2 NS 2 A 0 MX	🔓 Insecure