firstclass.dk
Last scanned: 2026-09-03 22:33:43  ·  645ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   52ms
🌍 A Records1 records   50ms
📧 MX Records1 records   56ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.firstclass.dk 144.76.168.29 cp15.nordicway.dk AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)1 records   48ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   229ms
TXT Record
v=spf1 +a +mx +ip4:144.76.168.29 include:relay.mailchannels.net ~all
✉️ SPF
PolicyRecord (firstclass.dk)
~all (soft fail) v=spf1 +a +mx +ip4:144.76.168.29 include:relay.mailchannels.net ~all
📨 DMARC
PolicyRecord (_dmarc.firstclass.dk)
p=none (monitor only) v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
📬 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.firstclass.dk 8_fT9TdsRR5qmd0QAjmTkgszEAcJbzY9LmCrLD8e6xQ
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC120ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026090300
Primary NS (MNAME)ns1.nordicway.dk
Responsible (RNAME)server@nordicway.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
52ms
A
50ms
MX
56ms
AAAA
48ms
TXT
229ms
CAA
58ms
HTTPS
48ms
TLSA
88ms
SOA
0ms
MTA-STS
75ms
DNSSEC
120ms
SRV
85ms
Total
645ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 22:33:43 645ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-09-01 21:23:08 1150ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-31 06:01:05 657ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-29 18:16:15 1132ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-28 17:45:36 714ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-27 16:37:07 618ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-26 16:15:56 1287ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-25 05:29:30 17080ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-23 03:13:35 1291ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-22 03:10:39 1140ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-21 03:01:49 7409ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-20 00:08:05 6282ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-18 23:35:48 3629ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-17 13:28:04 2954ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-15 23:44:52 9822ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-14 19:54:52 2929ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-13 11:47:42 2802ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-12 05:02:56 1345ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-10 20:27:13 4669ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-04 08:15:31 1484ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-07-29 23:16:05 1004ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-07-28 22:43:58 1674ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-07-27 18:39:03 1206ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-07-26 16:55:09 1417ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-07-25 16:35:22 1072ms 4 NS 1 A 1 MX 🔓 Insecure View
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