vvstrustrup.dk DNS records

🖥️ Nameservers2 records 32ms

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 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.241.87	3600s	webcluster1.wordpresspod2-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	vvstrustrup-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::b 2a01:111:f403:ca09::c 2a01:111:f403:ca09::e 52.101.103.140 52.101.68.8 52.101.73.26 52.101.73.4	mail-db4pr02cu00406.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr83cu00404.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
🔶 Autoconfig	77.111.241.87

🔷 AAAA Records (IPv6)1 records 27ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:104:ba:8edd:ceab:3a67	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 Records1 records 144ms

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

✉️ SPF

Policy	Record (vvstrustrup.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)

🔐 DNSSEC101ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

32ms

A

25ms

MX

27ms

AAAA

27ms

TXT

144ms

CAA

34ms

HTTPS

26ms

TLSA

799ms

SOA

0ms

MTA-STS

44ms

DNSSEC

101ms

SRV

45ms

Total

1367ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 20:22:16	1367ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 19:32:20	1735ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 19:23:51	1352ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 17:07:11	640ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 14:17:13	997ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:18:55	6414ms	2 NS 1 A 1 MX	🔒 Secure	View