merkantilmasterclass.dk
Last scanned: 2026-08-31 12:16:52  ·  1237ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
NameserverIP addressesPTRASN / ISP
ns1.esis.dk 185.19.134.2 ns1.esis.dk AS199374 Syddansk Erhvervsskole Odense-Vejle
ns2.esis.dk 185.19.134.3 ns2.esis.dk AS199374 Syddansk Erhvervsskole Odense-Vejle
🌍 A Records1 records   25ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.20.205.57 3600s linux381.unoeuro.com AS48854 team.blue Denmark A/S 185.20.204.0/22 🇩🇰 Denmark —
📧 MX Records1 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
100 3600s mxnonexistent.merkantilmasterclass.dk — — —
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   151ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (merkantilmasterclass.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.merkantilmasterclass.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r
📬 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)
🔐 DNSSEC98ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial301
Primary NS (MNAME)ns1.esis.dk
Responsible (RNAME)hostmaster
Refresh900s
Retry600s
Expire86400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
25ms
MX
33ms
AAAA
29ms
TXT
151ms
CAA
34ms
HTTPS
32ms
TLSA
62ms
SOA
0ms
MTA-STS
902ms
DNSSEC
98ms
SRV
894ms
Total
1237ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 12:16:52 1237ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 11:36:54 525ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 11:18:16 858ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-21 23:34:36 1060ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-20 23:27:20 1332ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-15 08:53:03 749ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-13 10:32:53 1911ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-10 10:28:39 690ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-07 03:57:53 699ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-30 00:44:19 671ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-27 09:06:52 8448ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-24 07:41:10 822ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 09:50:55 787ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 08:36:51 3288ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 07:46:14 4712ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-08 14:28:54 16480ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 11:19:30 655ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 08:17:30 450ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 20:57:55 1056ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 09:47:40 8676ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 12:00:56 1468ms 2 NS 1 A 1 MX 🔒 Secure View
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