lefu.dk
Last scanned: 2026-06-27 22:28:01  ·  2972ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers7 records   380ms
NameserverIP addressesPTRASN / ISP
ns1.first-ns.de 213.239.242.238
2a01:4f8:0:a101::a:1		 ns1.first-ns.de
ns1.first-ns.de		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns1.hefu.dk 80.251.205.35 80.251.205.35.bredband.3.dk AS44034 Hi3G Access AB
ns2.hefu.dk 65.21.158.48 saga.hefu.dk AS24940 Hetzner Online GmbH
ns3.hefu.dk 188.34.167.39 hermod.hefu.dk AS24940 Hetzner Online GmbH
ns4.hefu.dk 188.245.64.138 fenris.hefu.dk AS24940 Hetzner Online GmbH
robotns2.second-ns.de 213.133.100.103
2a01:4f8:0:1::5ddc:2		 robotns2.second-ns.de
robotns2.second-ns.de		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
robotns3.second-ns.com 193.47.99.3
2001:67c:192c::add:a3		 robotns3.second-ns.com
robotns3.second-ns.com		 AS12337 noris network AG
AS12337 noris network AG
🌍 A Records1 records   638ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.251.205.35 3600s 80.251.205.35.bredband.3.dk AS44034 Hi3G Access AB 80.251.192.0/20 🇩🇰 Denmark Odder
📧 MX Records4 records   162ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail1.hefu.dk 80.251.205.35 80.251.205.35.bredband.3.dk AS44034 Hi3G Access AB
20 86400s mail2.hefu.dk 80.209.68.68 80.209.68.68.static.fibianet.dk AS44869 FIBIA P/S
30 86400s mail3.hefu.dk 95.209.155.98 95.209.155.98.mobile.3.dk AS44034 Hi3G Access AB
40 86400s odin.hefu.dk 142.132.179.114 odin.hefu.dk AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   781ms
TXT Record
v=spf1 +mx +a +ip4:80.251.205.35 +a:80.251.205.35.bredband.3.dk +ip4:95.209.155.98 +a:95.209.155.98.mobile.3.dk +a:smtp.3.dk +a:smtp1.tre.se +ip4:80.209.68.68 +a:80.209.68.68.static.fibianet.dk ?all
✉️ SPF
PolicyRecord (lefu.dk)
?all (neutral) v=spf1 +mx +a +ip4:80.251.205.35 +a:80.251.205.35.bredband.3.dk +ip4:95.209.155.98 +a:95.209.155.98.mobile.3.dk +a:smtp.3.dk +a:smtp1.tre.se +ip4:80.209.68.68 +a:80.209.68.68.static.fibianet.dk ?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 / DANE2 records   289ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail1.hefu.dk DANE-EE · Full cert · SHA-256 CA0299AF31366E8CAFD125E1933C7811…
SMTP _25._tcp.mail2.hefu.dk DANE-EE · Full cert · SHA-256 CA0299AF31366E8CAFD125E1933C7811…
🔐 DNSSEC374ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA289ms
FieldValue
Serial2022053000
Primary NS (MNAME)ns1.hefu.dk
Responsible (RNAME)hostmaster@hefu.dk
Refresh14400s
Retry7200s
Expire3600000s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
380ms
A
638ms
MX
162ms
AAAA
346ms
TXT
781ms
CAA
309ms
HTTPS
463ms
TLSA
289ms
SOA
289ms
MTA-STS
434ms
DNSSEC
374ms
SRV
783ms
Total
2972ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-27 22:28:01 2972ms 7 NS 1 A 4 MX 🔓 Insecure View
2026-06-24 01:36:56 911ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 18:02:11 4279ms 7 NS 1 A 4 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone