ostenfeld-revision.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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.81	3600s	webcluster1.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ostenfeldrevision-dk02c.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::9 52.101.68.27 52.101.73.1 52.101.73.16 52.101.73.4	mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as2pr05cu00100.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	46.30.213.81

🔷 AAAA Records (IPv6)1 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:89:2465:d1df:5e9	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 193ms

TXT Record
MS=ms20960383
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ostenfeld-revision.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)

🔐 DNSSEC9072ms

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

🏷️ SOA54ms

Field	Value
Serial	2026072205
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

49ms

MX

49ms

AAAA

42ms

TXT

193ms

CAA

61ms

HTTPS

55ms

TLSA

707ms

SOA

54ms

MTA-STS

62ms

DNSSEC

9072ms

SRV

80ms

Total

14628ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 11:50:21	14628ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 07:39:26	3217ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 09:31:06	759ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 11:15:30	1010ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 01:14:35	1161ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 05:31:06	2976ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:34:06	2756ms	2 NS 1 A 1 MX	🔒 Secure	View