opgavebors.dk
Last scanned: 2026-08-26 18:23:48  ·  861ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   42ms
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   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.66.51.19 3600s — — — — 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoveropgavebors.dk → 77.66.51.19
🔶 Autoconfigopgavebors.dk → 77.66.51.19
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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.opgavebors.dk opgavebors.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC79ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081201
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
42ms
A
45ms
MX
38ms
AAAA
40ms
TXT
165ms
CAA
39ms
HTTPS
38ms
TLSA
68ms
SOA
0ms
MTA-STS
60ms
DNSSEC
79ms
SRV
308ms
Total
861ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 18:23:48 861ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 11:26:44 1329ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 17:55:00 16922ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 19:24:51 968ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-30 01:43:11 592ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 19:39:37 676ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 13:29:31 699ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 23:33:33 2764ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 00:24:48 1153ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 22:40:21 1126ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 09:21:28 1186ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 14:44:53 1078ms 2 NS 1 A 0 MX 🔒 Secure View
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