klaus.dk

📜 Historical scan 2026-07-14 16:56:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klaus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.210.214.163 is hosted by OVH SAS (AS16276) in France. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a 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 47ms

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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.210.214.163	43200s	c64738.klaus.dk	AS16276	OVH SAS	51.210.0.0/16	🇫🇷 France	—

📧 MX Records#

5 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	142.250.150.27 2a00:1450:4010:c20::1b	la-in-f27.1e100.net yulppbn-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	37.klaus.dk → 37.klaus.dk.
🔶 Autoconfig	37.klaus.dk → 37.klaus.dk.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 214ms

TXT Record
v=spf1 include:_spf.klaus.dk ~all

✉️ SPF#

Policy	Record (klaus.dk)
~all (soft fail)	v=spf1 include:_spf.klaus.dk ~all

📨 DMARC#

Policy	Record (_dmarc.klaus.dk)
p=none (monitor only)	v=DMARC1;p=none;rua=mailto:dmarcreport@klaus.dk;ruf=mailto:dmarcforensic@klaus.dk;ri=864000

📬 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 2026-10-15 04:43:47

www CNAME	klaus.dk (all on klaus.dk) → 51.210.214.163 (AS16276)
www vs bare domain	Same network klaus.dk: 51.210.214.163 (AS16276) www.klaus.dk: 51.210.214.163 (AS16276)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit
google	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.klaus.dk	37.klaus.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

135ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026071401
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 2026-10-15 04:58:32

Field	Value
Registrar	ONE.COM A/S
Registered	1998-02-16
Expires	2029-03-31 (894d)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

51ms

AAAA

44ms

TXT

214ms

CAA

48ms

HTTPS

48ms

TLSA

149ms

SOA

0ms

MTA-STS

149ms

DNSSEC

135ms

SRV

105ms

Total

1693ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 04:43:47	887ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-21 14:34:12	1202ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-14 04:56:43	1063ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-26 14:19:17	882ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-14 16:39:47	9247ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-14 16:56:25 shown	1693ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 14:56:33	1695ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 03:08:56	2808ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-18 02:31:53	2717ms	2 NS 1 A 5 MX	🔒 Secure