csl.dk

📜 Historical scan 2026-07-21 13:36:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

csl.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 March 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.9.143.154 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.9.143.154	3600s	server.dominoevers.dk	AS24940	Hetzner Online GmbH	5.9.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 148ms

TXT Record
v=spf1 include:amazonses.com ~all

✉️ SPF#

Policy	Record (csl.dk)
~all (soft fail)	v=spf1 include:amazonses.com ~all

📨 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 2026-10-10 22:15:23

www	5.9.143.154 (AS24940) (address records, no CNAME)
www vs bare domain	Same network csl.dk: 5.9.143.154 (AS24940) www.csl.dk: 5.9.143.154 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

58ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

28ms

Field	Value
Serial	2026062301
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-08 07:38:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-03-19
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

31ms

AAAA

28ms

TXT

148ms

CAA

31ms

HTTPS

30ms

TLSA

72ms

SOA

28ms

MTA-STS

44ms

DNSSEC

58ms

SRV

35ms

Total

4592ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 05:25:34	474ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-29 15:56:27	1328ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 00:04:02	801ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 02:43:54	8581ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 08:01:47	642ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-21 13:36:15 shown	4592ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 02:54:51	16592ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 05:50:19	514ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 23:05:56	398ms	2 NS 1 A 0 MX	🔒 Secure