rydendahl.dk DNS records

🖥️ Nameservers2 records 230ms

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 237ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.78.67.18	3600s	s150.cyber-folks.pl	AS41079	Cyber_Folks S.A.	195.78.66.0/23	🇵🇱 Poland	—

📧 MX Records1 records 237ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rydendahl-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca04::f 52.101.68.12 52.101.68.25 52.101.73.15 52.101.73.16	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 470ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rydendahl.dk)
-all (hard fail)	v=spf1 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)

🔐 DNSSEC463ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
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

230ms

A

237ms

MX

237ms

AAAA

231ms

TXT

470ms

CAA

219ms

HTTPS

256ms

TLSA

695ms

SOA

0ms

MTA-STS

321ms

DNSSEC

463ms

SRV

323ms

Total

5656ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 14:06:00	5656ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 10:06:02	9030ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 02:41:43	7572ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 16:27:09	7069ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 09:27:52	1005ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 06:38:49	3776ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 18:37:13	803ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 01:09:10	1844ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 23:07:19	997ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 01:00:49	3052ms	2 NS 1 A 1 MX	🔒 Secure	View