mailsec.dk
Last scanned: 2026-08-30 18:08:06  ·  7520ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   23ms
NameserverIP addressesPTRASN / ISP
ns1.linuxhus.dk 37.128.222.18 — AS39642 Sinal A/S
ns2.linuxhus.dk 37.128.222.19 — AS39642 Sinal A/S
ns3.linuxhus.dk 37.128.222.20 — AS39642 Sinal A/S
🌍 A Records1 records   137ms
IPTTLPTRASNISP / OrgCIDRCountryCity
37.128.222.26 3600s h1.linuxhus.dk AS39642 Sinal A/S 37.128.208.0/20 🇩🇰 Denmark Esbjerg
📧 MX Records1 records   5012ms
PriorityTTLMail ServerIP addressesPTRASN
5 3600s mx.mailsec.dk 37.128.222.5 mx.mailsec.dk AS39642 Sinal A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   113ms
TXT Record
v=spf1 a mx a:mx.mailsec.dk ip4:37.128.222.26 ?all
✉️ SPF
PolicyRecord (mailsec.dk)
?all (neutral) v=spf1 a mx a:mx.mailsec.dk ip4:37.128.222.26 ?all
📨 DMARC
PolicyRecord (_dmarc.mailsec.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records1 records   66ms
FlagsTagValue
0 issuewild letsencrypt.org
🔗 TLSA / DANE1 records   376ms
Service / OwnerTypeCert association
HTTPS _443._tcp.mailsec.dk DANE-EE · Full cert · SHA-256 AD8C5C3C184EEB1F475050AF9F2BEE92…
🔐 DNSSEC146ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
Key typeAlgorithmPublic key
KSK RSA/SHA-256 AwEAAZI81SIN6gNSMAnMTfHPFkxmuXpfKBVaMCTs…
ZSK RSA/SHA-256 AwEAAdhj+Aa+8xOIp6uFY+wSbZaOngaxEBAk3Dhy…
🏷️ SOA7ms
FieldValue
Serial2026081604
Primary NS (MNAME)ns1.linuxhus.dk
Responsible (RNAME)sensor@linux-hus.dk
Refresh60s
Retry600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
23ms
A
137ms
MX
5012ms
AAAA
40ms
TXT
113ms
CAA
66ms
HTTPS
54ms
TLSA
376ms
SOA
7ms
MTA-STS
15ms
DNSSEC
146ms
SRV
0ms
Total
7520ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 18:08:06 7520ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-28 08:58:31 640ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-18 04:15:44 1507ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-14 09:26:05 4459ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-23 08:16:20 24348ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-21 12:17:13 6525ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-14 01:12:55 15069ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-01 22:21:51 1035ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-30 21:41:05 2990ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-24 20:03:59 1957ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-24 17:13:11 1239ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-20 00:14:13 3266ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-19 17:19:22 1201ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:34:39 2293ms 3 NS 1 A 1 MX 🔒 Secure View
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