f10.dk

📜 Historical scan 2026-09-22 13:11:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

f10.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.79 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by f10-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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.curanet.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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.79	3600s	vm1492.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	f10-dk.mail.protection.outlook.com	2a01:111:f403:ca09::22 2a01:111:f403:ca21::a 2a01:111:f403:ca48::8 2a01:111:f403:ca48::a 52.101.103.39 52.101.185.114 52.101.209.153 52.101.73.145	mail-am7pr02cu00302.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 52.98.149.152
🔶 Autoconfig	185.21.42.79

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 152ms

TXT Record
brevo-code:b544ab06301613a4effab06811a53bc9
v=spf1 a mx ip4:77.247.73.192/26 ip4:94.231.110.66 include:spf.protection.outlook.com include:spf.webcrm.com include:amazonses.com -all

✉️ SPF#

Policy	Record (f10.dk)
-all (hard fail)	v=spf1 a mx ip4:77.247.73.192/26 ip4:94.231.110.66 include:spf.protection.outlook.com include:spf.webcrm.com include:amazonses.com -all

📨 DMARC#

Policy	Record (_dmarc.f10.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:rua@dmarc.brevo.com

📬 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 2026-10-16 01:57:10

www	185.21.42.79 (AS48854) (address records, no CNAME)
www vs bare domain	Same network f10.dk: 185.21.42.79 (AS48854) www.f10.dk: 185.21.42.79 (AS48854)
Wildcard	Yes: any name under the zone resolves
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
selector1	selector1-f10-dk._domainkey.f10dk.onmicrosoft.com	RSA · ~1024 bit below 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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026020201
Primary NS (MNAME)	ns1.curanet.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#

33ms

40ms

39ms

AAAA

42ms

TXT

152ms

CAA

37ms

HTTPS

39ms

TLSA

366ms

SOA

0ms

MTA-STS

57ms

DNSSEC

79ms

SRV

50ms

Total

882ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 01:44:28	855ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 22:15:09	1172ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 13:11:49 shown	882ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 13:43:36	768ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:10:23	1431ms	2 NS 1 A 1 MX	🔒 Secure