rudecenter.dk DNS records

🖥️ Nameservers2 records 40ms

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 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.19.191.28	600s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rudecenter-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::26 2a01:111:f403:ca09::e 2a01:111:f403:ca38::8 52.101.68.12 52.101.73.126 52.101.73.15 52.101.73.2	mail-db4pr02cu00307.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 182ms

TXT Record
facebook-domain-verification=kq7o6ui8mrfcheolq3arxkigmi6bm1
MS=ms44679738
OMj5UFLjjscl2eG0Qc1M8m6oNo6yGFy9RYXL0KE9zghSBdA18zN5Id2TRf55U5cRd4XIKuYZ6I7BbF8zojckJw==
v=spf1 include:spf.cac.dk include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (rudecenter.dk)
~all (soft fail)	v=spf1 include:spf.cac.dk include:spf.protection.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

🔗 TLSA / DANE

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

🔐 DNSSEC155ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032501
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

40ms

A

64ms

MX

51ms

AAAA

54ms

TXT

182ms

CAA

46ms

HTTPS

41ms

TLSA

667ms

SOA

0ms

MTA-STS

79ms

DNSSEC

155ms

SRV

73ms

Total

1291ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 11:34:10	1291ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 06:21:41	5384ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 00:05:19	2550ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 10:34:01	1169ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:57:42	2105ms	2 NS 1 A 1 MX	🔒 Secure	View