fffh.dk DNS records

🖥️ Nameservers2 records 33ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.69	3600s	webcluster1.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fffh-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::c 2a01:111:f403:ca09::26 2a01:111:f403:ca09::9 52.101.103.137 52.101.68.27 52.101.68.36 52.101.73.30	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am7pr05cu00306.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

🔷 AAAA Records (IPv6)1 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:29:9f04:8bb6:a4c3	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 216ms

TXT Record
MS=ms12322411
v=spf1 include:spf.protection.example.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (fffh.dk)
-all (hard fail)	v=spf1 include:spf.protection.example.com include:_custspf.one.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)

🔐 DNSSEC74ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081901
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

33ms

A

37ms

MX

44ms

AAAA

41ms

TXT

216ms

CAA

44ms

HTTPS

39ms

TLSA

318ms

SOA

0ms

MTA-STS

60ms

DNSSEC

74ms

SRV

62ms

Total

1024ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:29:47	1024ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 03:40:22	7774ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 13:24:10	7197ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 19:12:25	1791ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 07:05:44	1178ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 22:38:02	2200ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 03:58:16	1243ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 22:14:55	1011ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 05:16:01	1024ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 00:54:43	4542ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:10:58	1354ms	2 NS 1 A 1 MX	🔒 Secure	View