dsf.dk
📜 Historical scan 2026-06-28 06:10:16  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   214ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   245ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.106.26 3600s linux204.curanet.dk AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records3 records   247ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s smtp.dsf.dk 88.198.25.183 dyrnwyn.inder.net AS24940 Hetzner Online GmbH
20 43200s smtprelay01.extremagear.com 178.63.195.204
2a01:4f8:13b:9f0:1:0:14d7:8e86		 smtprelay01.extremagear.com
—		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
30 43200s durandal.inder.net 2a01:4f8:130:20a1:8000::3
88.198.25.184		 durandal.inder.net
durandal.inder.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautoconfig.dsf.dk → 178.63.195.194
🔶 Autoconfigautoconfig.extremagear.com → 178.63.195.194
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   369ms
TXT Record
google-site-verification=Ug3E-5JJnyckWkwAuj3tXa_BzwdOB5HBz0CFxk5z1j0
v=spf1 mx a:slipstream.inder.net include:extremagear.com include:spf.zitcom.dk ip4:78.46.123.196 ip6:2a01:4f8:130:20a1:8000::2 include:amazonses.com ?all
✉️ SPF
PolicyRecord (dsf.dk)
?all (neutral) v=spf1 mx a:slipstream.inder.net include:extremagear.com include:spf.zitcom.dk ip4:78.46.123.196 ip6:2a01:4f8:130:20a1:8000::2 include:amazonses.com ?all
📨 DMARC
PolicyRecord (_dmarc.dsf.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:dmarc@dsf.dk; adkim=r; aspf=r; sp=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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC343ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA240ms
FieldValue
Serial2026061001
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
214ms
A
245ms
MX
247ms
AAAA
254ms
TXT
369ms
CAA
236ms
HTTPS
228ms
TLSA
197ms
SOA
240ms
MTA-STS
254ms
DNSSEC
343ms
SRV
324ms
Total
1423ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-10 01:38:35 1549ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-15 16:13:47 8859ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-12 00:35:16 12044ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-02 00:15:54 869ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-28 06:10:16 1423ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 04:50:35 630ms 2 NS 1 A 3 MX 🔒 Secure View
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