fffif.dk DNS records

🖥️ Nameservers2 records 62ms

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 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.105.224.34	3600s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 77ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fffif-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::a 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 52.101.68.16 52.101.73.1 52.101.73.126 52.101.73.6	mail-db7pr03cu00601.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am8pr83cu00106.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 240ms

TXT Record
google-site-verification=jfwBvAch1G2xGA8-l1OmXm2EMoNbXcbIr7t_LvhDhfI
v=spf1 include:spf.protection.outlook.com include:_spf.createsend.com ~all

✉️ SPF

Policy	Record (fffif.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_spf.createsend.com ~all

📨 DMARC

Policy	Record (_dmarc.fffif.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.fffif.dk	_acme-challenge_fffif_dk.dficert.dk

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC108ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083101
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

62ms

A

74ms

MX

77ms

AAAA

38ms

TXT

240ms

CAA

65ms

HTTPS

48ms

TLSA

676ms

SOA

0ms

MTA-STS

95ms

DNSSEC

108ms

SRV

90ms

Total

1378ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 18:30:49	1378ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-30 15:57:53	805ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 20:56:02	1653ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 19:36:04	803ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 18:35:54	869ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 22:59:20	3304ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 22:14:28	3738ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 21:05:56	7507ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 21:03:31	7312ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 20:57:17	10155ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 20:17:05	7873ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 20:14:19	6054ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 11:10:15	1569ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 19:15:04	1230ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 18:25:28	3335ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 16:03:38	2790ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 15:56:17	3226ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 22:02:04	2191ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 02:08:17	1447ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 00:58:08	1642ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-30 21:56:19	1080ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 11:25:50	3187ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 07:58:58	3184ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 07:34:46	8934ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 06:43:17	1352ms	2 NS 1 A 1 MX	🔒 Secure	View