preben-pedersen.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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.136	3600s	webcluster9.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	prebenpedersen-dk01e.mail.protection.outlook.com	2a01:111:f403:ca09::7 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 2a01:111:f403:ca09::c 52.101.68.18 52.101.73.1 52.101.73.28 52.101.73.8	mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr04cu00500.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	77.111.240.136

🔷 AAAA Records (IPv6)1 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:41:26d1:a2ee:8d22	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 368ms

TXT Record
MS=ms89998173
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (preben-pedersen.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)

🔐 DNSSEC93ms

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

🏷️ SOA50ms

Field	Value
Serial	2026081602
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

35ms

MX

47ms

AAAA

60ms

TXT

368ms

CAA

61ms

HTTPS

42ms

TLSA

893ms

SOA

50ms

MTA-STS

70ms

DNSSEC

93ms

SRV

93ms

Total

6498ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-16 10:01:02	6498ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 08:15:25	5458ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 06:04:18	890ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 23:51:04	1159ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 15:12:57	551ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 22:55:02	1793ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:21:07	872ms	2 NS 1 A 1 MX	🔒 Secure	View