heydorn.dk
Last scanned: 2026-08-26 12:56:46  ·  728ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   29ms
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   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.186.54.20 43200s 5.186.54.20.static.fibianet.dk AS44869 FIBIA P/S 5.186.0.0/16 🇩🇰 Denmark Lystrup
📧 MX Records2 records   27ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s servbyt.heydorn.dk 5.186.54.20 5.186.54.20.static.fibianet.dk AS44869 FIBIA P/S
20 43200s backup-mx.post.tele.dk — — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverheydorn.dk → 5.186.54.20
🔶 Autoconfigheydorn.dk → 5.186.54.20
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   168ms
TXT Record
v=spf1 a ptr ip4:5.186.54.20 a:backup-mx.post.tele.dk a:servbyt.heydorn.dk ?all
✉️ SPF
PolicyRecord (heydorn.dk)
?all (neutral) v=spf1 a ptr ip4:5.186.54.20 a:backup-mx.post.tele.dk a:servbyt.heydorn.dk ?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.heydorn.dk heydorn.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC104ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082501
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
29ms
A
30ms
MX
27ms
AAAA
30ms
TXT
168ms
CAA
29ms
HTTPS
27ms
TLSA
89ms
SOA
0ms
MTA-STS
44ms
DNSSEC
104ms
SRV
56ms
Total
728ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 12:56:46 728ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-30 02:25:28 16788ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-26 21:05:12 16644ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-02 06:59:54 18014ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-20 17:23:17 1198ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 11:15:10 4735ms 2 NS 1 A 2 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone