osl.dk

📜 Historical scan 2026-08-17 15:09:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osl.dk is a .dk domain served by 2 nameservers (lennox.ns.cloudflare.com, ligia.ns.cloudflare.com). It was registered on 25 April 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.35.219 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 159ms

Nameserver	IP addresses	PTR	ASN / ISP
lennox.ns.cloudflare.com	108.162.195.214 162.159.44.214 172.64.35.214 2606:4700:58::a29f:2cd6 2803:f800:50::6ca2:c3d6 2a06:98c1:50::ac40:23d6	lennox.ns.cloudflare.com lennox.ns.cloudflare.com lennox.ns.cloudflare.com lennox.ns.cloudflare.com lennox.ns.cloudflare.com lennox.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ligia.ns.cloudflare.com	108.162.194.4 162.159.38.4 172.64.34.4 2606:4700:50::a29f:2604 2803:f800:50::6ca2:c204 2a06:98c1:50::ac40:2204	ligia.ns.cloudflare.com ligia.ns.cloudflare.com ligia.ns.cloudflare.com ligia.ns.cloudflare.com ligia.ns.cloudflare.com ligia.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 202ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.35.219	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.180.58	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 216ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:b43a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:23db	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 185ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.35.219,172.67.180.58 ech=AEX+DQBBIQAgACAbcl2gtooLP/zfLd+E+c1uhqXAGkK22YopeVrpL3zqfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b43a,2606:4700:3036::6815:23db

📝 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 2026-10-16 06:01:47

www	104.21.35.219 172.67.180.58 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network osl.dk: 188.114.96.1 188.114.97.1 2606:4700:3031::ac43:b43a 2606:4700:3036::6815:23db (AS13335) www.osl.dk: 104.21.35.219 172.67.180.58 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

304ms

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	2412314325
Primary NS (MNAME)	lennox.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 05:30:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-04-25
Expires	2027-04-30 (191d)

📋 WHOIS#

⏱️ Lookup Timing#

159ms

202ms

195ms

AAAA

216ms

TXT

376ms

CAA

162ms

HTTPS

185ms

TLSA

133ms

SOA

0ms

MTA-STS

227ms

DNSSEC

304ms

SRV

230ms

Total

1430ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 06:01:47	1783ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-15 05:16:34	575ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-14 03:38:14	2936ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-20 02:31:41	1086ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 04:47:45	471ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 10:29:12	605ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-17 15:09:12 shown	1430ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-06 20:34:18	2553ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 10:28:24	803ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 02:14:34	831ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 14:07:15	1258ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 06:29:04	1171ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 19:26:34	859ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 04:18:16	1757ms	2 NS 2 A 0 MX	🔓 Insecure