dsfo.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 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.98.13.11	600s	—	AS202914	Adeo Datacenter ApS	141.98.12.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dsfo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::a 2a01:111:f403:ca09::8 2a01:111:f403:ca09::f 52.101.209.153 52.101.68.25 52.101.68.32 52.101.73.6	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am6pr04cu00306.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	141.98.13.11

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 153ms

TXT Record
MS=ms12907024
v=spf1 include:_custspf.one.com ip4:89.233.6.130 include:spf.protection.outlook.com ip4:141.98.13.3 -all

✉️ SPF

Policy	Record (dsfo.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com ip4:89.233.6.130 include:spf.protection.outlook.com ip4:141.98.13.3 -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)

🔐 DNSSEC111ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082706
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

28ms

MX

29ms

AAAA

33ms

TXT

153ms

CAA

25ms

HTTPS

31ms

TLSA

413ms

SOA

0ms

MTA-STS

43ms

DNSSEC

111ms

SRV

47ms

Total

930ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:41:18	930ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 02:28:54	876ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 02:15:40	1598ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 00:48:29	1468ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 13:22:16	5285ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 07:05:53	1260ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 17:32:28	3412ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 14:24:26	852ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 08:41:37	2794ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 04:51:03	2722ms	2 NS 1 A 1 MX	🔒 Secure	View