f3.dk

📜 Historical scan 2026-06-19 22:21:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

f3.dk is a .dk domain served by 2 nameservers (ns1.simpleagencygroup.dk, ns2.simpleagencygroup.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.247 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by audiovector-com.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simpleagencygroup.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simpleagencygroup.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.247	3600s	vps3.simpledigital.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	audiovector-com.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::1 2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 52.101.68.36 52.101.73.16 52.101.73.19 52.101.73.30	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.98.16.6

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 128ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	0	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 246ms

TXT Record
MS=ms59375921
trustpilot-one-time-verification-id=5d1dec60-3025-48ed-8922-a58976f5a938
v=spf1 ip4:152.115.63.140 include:spf.smtp2go.com include:smtproutes.com include:smtpout.com include:_spf.simpledigital.dk include:spf.protection.outlook.com include:spf.mandrillapp.com -all

✉️ SPF#

Policy	Record (f3.dk)
-all (hard fail)	v=spf1 ip4:152.115.63.140 include:spf.smtp2go.com include:smtproutes.com include:smtpout.com include:_spf.simpledigital.dk include:spf.protection.outlook.com include:spf.mandrillapp.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 17:07:40

www CNAME	f3.dk (all on f3.dk) → 185.130.190.67 (AS210939)
www vs bare domain	Same network f3.dk: 185.130.190.67 (AS210939) www.f3.dk: 185.130.190.67 (AS210939)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

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

🏷️ SOA#

99ms

Field	Value
Serial	2025081101
Primary NS (MNAME)	ns1.simpleagencygroup.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

32ms

34ms

89ms

AAAA

53ms

TXT

246ms

CAA

49ms

HTTPS

66ms

TLSA

521ms

SOA

99ms

MTA-STS

45ms

DNSSEC

68ms

SRV

128ms

Total

1039ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 06:51:47	551ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:48:11	888ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 14:13:49	796ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 06:43:15	917ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 01:15:51	1138ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 10:46:34	828ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 14:31:39	1692ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 15:05:35	4812ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 22:21:34 shown	1039ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:10:38	1143ms	2 NS 1 A 1 MX	🔒 Secure