fiu-mikrolaering.dk
Last scanned: 2026-08-14 06:43:58  ·  2839ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   228ms
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 Records1 records   268ms
IPTTLPTRASNISP / OrgCIDRCountryCity
86.58.180.224 43200s — AS47292 Sentia Denmark A/S 86.58.176.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   220ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverfiu-mikrolaering.dk → 86.58.180.224
🔶 Autoconfigfiu-mikrolaering.dk → 86.58.180.224
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   656ms
TXT Record
v=spf1 ip4:193.28.224.0/24 ip4:81.7.161.0/24 ip4:86.58.180.0/24 include:spf.mailanyone.net include:bounce.peytz.dk include:_spf.anpdm.com include:_smtpcluster.jay.net -all
✉️ SPF
PolicyRecord (fiu-mikrolaering.dk)
-all (hard fail) v=spf1 ip4:193.28.224.0/24 ip4:81.7.161.0/24 ip4:86.58.180.0/24 include:spf.mailanyone.net include:bounce.peytz.dk include:_spf.anpdm.com include:_smtpcluster.jay.net -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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.fiu-mikrolaering.dk fiu-mikrolaering.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC560ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
228ms
A
268ms
MX
220ms
AAAA
211ms
TXT
656ms
CAA
238ms
HTTPS
217ms
TLSA
368ms
SOA
0ms
MTA-STS
357ms
DNSSEC
560ms
SRV
344ms
Total
2839ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-14 06:43:58 2839ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 14:47:00 819ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 21:38:54 797ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 13:14:46 935ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 10:03:41 916ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-23 20:56:28 751ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 20:04:22 1189ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 09:19:46 826ms 2 NS 1 A 0 MX 🔒 Secure View
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