a-priori.dk DNS records

🖥️ Nameservers2 records 47ms

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 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.245	3600s	webcluster2.wordpresspod1-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	apriori-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::28 2a01:111:f403:ca09::6 2a01:111:f403:ca09::f 52.101.68.36 52.101.73.11 52.101.73.126 52.101.73.2	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 40.104.116.8
🔶 Autoconfig	77.111.240.245

🔷 AAAA Records (IPv6)1 records 57ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:101:80a9:3aab:1cdd:2ff2	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 Records3 records 217ms

TXT Record
anthropic-domain-verification-x63n75=K9I0r1D6lhczW1lrM2SmPASG9
MS=ms93059738
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (a-priori.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)

🔐 DNSSEC9088ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081403
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

47ms

A

62ms

MX

60ms

AAAA

57ms

TXT

217ms

CAA

68ms

HTTPS

39ms

TLSA

595ms

SOA

0ms

MTA-STS

71ms

DNSSEC

9088ms

SRV

90ms

Total

10318ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:44:50	10318ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 08:48:53	3082ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 02:41:17	1840ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 16:04:21	794ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 12:28:22	1086ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 01:19:37	1299ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:45:03	2885ms	2 NS 1 A 1 MX	🔒 Secure	View