rudmadsen.dk DNS records

🖥️ Nameservers2 records 45ms

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 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.245.104.73	3600s	—	AS8075	Microsoft Corporation	94.245.64.0/18	🇮🇪 Ireland	Dublin

📧 MX Records1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	rudmadsen-dk.mail.eo.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 2a01:111:f403:ca48::a 52.101.68.21 52.101.68.5 52.101.73.1 52.101.73.22	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	rudmadsen.dk → 94.245.104.73

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 73ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 187ms

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

✉️ SPF

Policy	Record (rudmadsen.dk)
~all (soft fail)	v=spf1 include:outlook.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.rudmadsen.dk	rudmadsen.dk

🔗 TLSA / DANE

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

🔐 DNSSEC81ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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

45ms

A

54ms

MX

58ms

AAAA

39ms

TXT

187ms

CAA

46ms

HTTPS

57ms

TLSA

135ms

SOA

0ms

MTA-STS

75ms

DNSSEC

81ms

SRV

73ms

Total

711ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 03:07:37	711ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 13:42:06	6059ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 11:30:05	4192ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-18 02:06:33	4795ms	2 NS 1 A 1 MX	🔒 Secure	View