klaus.dk DNS records

🖥️ Nameservers2 records 39ms

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 Records1 records 52ms

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 Records5 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	142.251.1.27 2a00:1450:4010:c0b::1b 2a00:1450:4010:c0b::1b	lb-in-f27.1e100.net lo-in-f27.1e100.net lo-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	alt3.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	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-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 Records1 records 156ms

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

🔏 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)

🔐 DNSSEC94ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081301
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

52ms

MX

49ms

AAAA

43ms

TXT

156ms

CAA

42ms

HTTPS

26ms

TLSA

97ms

SOA

0ms

MTA-STS

59ms

DNSSEC

94ms

SRV

68ms

Total

882ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 14:19:17	882ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-14 16:39:47	9247ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-14 16:56:25	1693ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-20 14:56:33	1695ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-20 03:08:56	2808ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-18 02:31:53	2717ms	2 NS 1 A 5 MX	🔒 Secure	View