fern.dk
Last scanned: 2026-08-27 22:59:41  ·  5693ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   54ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records
🌍
No A records found
📧 MX Records2 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail.oz6bl.dk 212.237.182.231
2a06:4000:8073:19::5
2a06:4000:8073:19::5		 ns.oz6bl.dk
mail.oz6bl.dk
www.oz6bl.dk		 AS204151 EWII Bredbaand A/S
AS204151 EWII Bredbaand A/S
AS204151 EWII Bredbaand A/S
20 86400s hamgate.apana.org.au 2001:44b8:5135:7c04:202:12:89:9
202.12.89.9		 —
hamgate.apana.org.au		 AS4739 Internode Pty Ltd
AS151499 Australian Public Access Network Association Inc
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   175ms
TXT Record
brevo-code:06b354f02ce99e6195d74834754d936e
v=spf1 mx -alll
✉️ SPF
PolicyRecord (fern.dk)
no all — incomplete SPF v=spf1 mx -alll
📨 DMARC
PolicyRecord (_dmarc.fern.dk)
p=reject v=DMARC1; p=reject; pct=100; adkim=s; ruf=mailto:postmaster@fern.dk;
📬 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)
🔐 DNSSEC90ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026050702
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
54ms
A
36ms
MX
45ms
AAAA
53ms
TXT
175ms
CAA
39ms
HTTPS
58ms
TLSA
1148ms
SOA
0ms
MTA-STS
63ms
DNSSEC
90ms
SRV
61ms
Total
5693ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 22:59:41 5693ms 2 NS 0 A 2 MX 🔒 Secure View
2026-07-13 22:59:18 10819ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-17 10:08:20 4633ms 2 NS 0 A 2 MX 🔒 Secure View
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