clausq.dk

📜 Historical scan 2026-06-23 19:29:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

clausq.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 March 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.184 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a 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 74ms

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 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.184	3600s	webcluster57.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	600s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

1 records 73ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:80c0:9db7:d2ac:2fc2	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 466ms

TXT Record
protonmail-verification=ba31ddd013932ff871ccd80d1a2f3b2eb17dad3d
v=spf1 include:_custspf.one.com include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (clausq.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com include:_spf.protonmail.ch ~all

📨 DMARC#

Policy	Record (_dmarc.clausq.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-11 21:43:51

www	77.111.240.184 2a02:2350:5:102:80c0:9db7:d2ac:2fc2 (AS51468) (address records, no CNAME)
www vs bare domain	Same network clausq.dk: 77.111.240.184 2a02:2350:5:102:80c0:9db7:d2ac:2fc2 (AS51468) www.clausq.dk: 77.111.240.184 2a02:2350:5:102:80c0:9db7:d2ac:2fc2 (AS51468)
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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 81ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

233ms

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

🏷️ SOA#

62ms

Field	Value
Serial	2026060101
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 2026-10-04 13:54:19

Field	Value
Registrar	ONE.COM A/S
Registered	2007-03-14
Expires	2027-03-31 (160d)

📋 WHOIS#

⏱️ Lookup Timing#

74ms

72ms

75ms

AAAA

73ms

TXT

466ms

CAA

66ms

HTTPS

74ms

TLSA

81ms

SOA

62ms

MTA-STS

40ms

DNSSEC

233ms

SRV

228ms

Total

2767ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 13:33:08	1005ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-03 13:31:56	6426ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-29 19:32:12	582ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-06 07:21:25	1237ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-25 16:31:03	2063ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-24 15:57:48	9801ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-07 21:59:25	8815ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-01 21:15:35	693ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-26 19:06:30	1358ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 19:29:57 shown	2767ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-22 12:43:02	962ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 14:12:01	705ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 21:10:54	652ms	2 NS 1 A 2 MX	🔒 Secure