dfoi.dk
Last scanned: 2026-08-24 14:33:29  ·  1859ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   46ms
NameserverIP addressesPTRASN / ISP
helium.ns.hetzner.de 193.47.99.5
2001:67c:192c::add:5		 helium.ns.hetzner.de
helium.ns.hetzner.de		 AS12337 noris network AG
AS12337 noris network AG
hydrogen.ns.hetzner.com 213.133.100.98
2a01:4f8:0:1::add:1098		 hydrogen.ns.hetzner.com
hydrogen.ns.hetzner.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com 2a01:4f8:0:1::add:2992
88.198.229.192		 oxygen.ns.hetzner.com
oxygen.ns.hetzner.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.201.225.5 60s web2.webko.io AS24940 Hetzner Online GmbH 195.201.0.0/16 🇩🇪 Germany Nuremberg
📧 MX Records2 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail.dfoi.dk 185.21.40.66 director1.mf.curanet.dk AS48854 team.blue Denmark A/S
20 86400s backup-mx.zitcom.dk 46.36.212.34
46.36.212.36
46.36.212.37
46.36.212.38
89.188.78.64
89.188.78.65
89.188.78.66
94.231.106.12		 node4.spamfilter.io
node8.spamfilter.io
node6.spamfilter.io
node7.spamfilter.io
node3.spamfilter.io
node9.spamfilter.io
node10.spamfilter.io
node2.spamfilter.io		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   275ms
TXT Record
v=spf1 include:spf.curanet.dk include:spf.mailmarketing.nu -all
✉️ SPF
PolicyRecord (dfoi.dk)
-all (hard fail) v=spf1 include:spf.curanet.dk include:spf.mailmarketing.nu -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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC140ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2025110700
Primary NS (MNAME)hydrogen.ns.hetzner.com
Responsible (RNAME)dns@hetzner.com
Refresh86400s
Retry10800s
Expire3600000s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
46ms
MX
40ms
AAAA
53ms
TXT
275ms
CAA
52ms
HTTPS
62ms
TLSA
137ms
SOA
0ms
MTA-STS
90ms
DNSSEC
140ms
SRV
99ms
Total
1859ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-24 14:33:29 1859ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 02:36:15 746ms 3 NS 1 A 2 MX 🔓 Insecure View
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