harder.dk
📜 Historical scan 2026-06-20 10:36:42  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   39ms
🌍 A Records1 records   33ms
📧 MX Records1 records   40ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.56
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   106ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 1 5061 sipfed.online.lync.com
📝 TXT Records3 records   219ms
TXT Record
apple-domain-verification=FAn8CBZwuCeJT9HU
MS=ms31985982
v=spf1 include:spf.protection.outlook.com include:spf.dandomain.dk include:send.heyloyalty.com -all
✉️ SPF
PolicyRecord (harder.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:spf.dandomain.dk include:send.heyloyalty.com -all
📨 DMARC
PolicyRecord (_dmarc.harder.dk)
p=reject v=DMARC1; p=reject; fo=1; adkim=s; aspf=s; pct=100; rf=afrf; ri=604800; sp=reject
📬 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)
🔐 DNSSEC113ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA114ms
FieldValue
Serial2026061101
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
39ms
A
33ms
MX
40ms
AAAA
39ms
TXT
219ms
CAA
76ms
HTTPS
112ms
TLSA
238ms
SOA
114ms
MTA-STS
37ms
DNSSEC
113ms
SRV
106ms
Total
718ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 11:33:30 5950ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 14:00:35 1083ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 18:08:39 2021ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 09:34:16 1395ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 11:34:35 1029ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 10:36:42 718ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 23:02:23 1743ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 11:04:33 812ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 11:03:22 1434ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 11:01:55 1589ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 10:56:21 1385ms 2 NS 1 A 1 MX 🔒 Secure View
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