yokoyama.dk DNS records

🖥️ Nameservers2 records 49ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.244.31.143	3600s	vmi2367519.contaboserver.net	AS51167	Contabo GmbH	162.244.24.0/21	🇩🇪 Germany	Karlsruhe

📧 MX Records7 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a 64.233.164.26	lu-in-x1a.1e100.net lu-in-f26.1e100.net lf-in-f26.1e100.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::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.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	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.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
10	43200s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx4.googlemail.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	aspmx5.googlemail.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	162.244.31.143
🔶 Autoconfig	162.244.31.143

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 181ms

TXT Record
google-site-verification=U_3ZNj9PU0TM2ixM_U2qlE6vpdET07hZQDsl6dH6Vo8
v=spf1 a mx ip4:176.20.239.162/32 ip4:162.244.31.143/32 include:_spf.google.com ~all

✉️ SPF

Policy	Record (yokoyama.dk)
~all (soft fail)	v=spf1 a mx ip4:176.20.239.162/32 ip4:162.244.31.143/32 include:_spf.google.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

🔗 TLSA / DANE

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

🔐 DNSSEC74ms

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

🏷️ SOA0ms

Field	Value
Serial	2026040401
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

49ms

A

38ms

MX

46ms

AAAA

51ms

TXT

181ms

CAA

37ms

HTTPS

36ms

TLSA

167ms

SOA

0ms

MTA-STS

2054ms

DNSSEC

74ms

SRV

79ms

Total

2736ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 18:27:58	2736ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-25 14:10:24	871ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-24 16:15:25	845ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-20 16:09:22	849ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-20 03:17:38	9658ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-17 14:25:06	1658ms	2 NS 1 A 7 MX	🔒 Secure	View