sf.dk

📜 Historical scan 2026-06-26 15:06:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sf.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.119 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by sf-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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.119	300s	prolinux8.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::9 2a01:111:f403:ca09::9 2a01:111:f403:ca09::d 52.101.68.12 52.101.68.36 52.101.73.11 52.101.73.22	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.8
🔶 Autoconfig	185.21.42.119

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 32ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 134ms

TXT Record
ms=ms51927461
SF
SF, Partikontoret
v=spf1 include:antispam.groupcare.dk include:spf.protection.outlook.com include:spf.hostnordic.com include:servers.mcsv.net include:spf.curanet.dk include:_spf.seen.io -all

✉️ SPF#

Policy	Record (sf.dk)
-all (hard fail)	v=spf1 include:antispam.groupcare.dk include:spf.protection.outlook.com include:spf.hostnordic.com include:servers.mcsv.net include:spf.curanet.dk include:_spf.seen.io -all

📨 DMARC#

Policy	Record (_dmarc.sf.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:re+b87e7ohbyk2@dmarc.postmarkapp.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 2026-10-07 19:29:04

www	185.21.42.119 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sf.dk: 185.21.42.119 (AS48854) www.sf.dk: 185.21.42.119 (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#

2 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
selector2	selector2-sf-dk._domainkey.tdch1025123.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: 11/10 · policy: -all

error 11 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

52ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2025021303
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.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#

35ms

32ms

27ms

AAAA

36ms

TXT

134ms

CAA

34ms

HTTPS

26ms

TLSA

217ms

SOA

33ms

MTA-STS

40ms

DNSSEC

52ms

SRV

32ms

Total

745ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 19:29:04	1129ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 00:30:19	560ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 10:03:21	1369ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 15:06:39 shown	745ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 15:27:48	1160ms	2 NS 1 A 1 MX	🔒 Secure