optimumcoaching.dk
Last scanned: 2026-08-27 20:22:43  ·  881ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   73ms
NameserverIP addressesPTRASN / ISP
ns5.chosting.dk 167.235.66.236
2a01:4f8:1c1e:d097::1		 ns5.chosting.dk
ns5.chosting.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns6.chosting.dk 2001:41d0:305:2100::80e9
51.91.57.33		 ns6.chosting.dk
ns6.chosting.dk		 AS16276 OVH SAS
AS16276 OVH SAS
ns7.chosting.dk 178.20.220.33 ns7.chosting.dk AS21060 Atea A/S
🌍 A Records1 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.20.216.100 14400s server18.chosting.dk AS21060 Atea A/S 178.20.216.0/23 🇩🇰 Denmark —
📧 MX Records1 records   72ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s optimumcoaching.dk 178.20.216.100
2a01:7cc0:101:ffff::1:14		 server18.chosting.dk
—		 AS21060 Atea A/S
AS21060 Atea A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover178.20.216.100
🔶 Autoconfig178.20.216.100
🔷 AAAA Records (IPv6)1 records   71ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:7cc0:101:ffff::1:14 14400s — AS21060 Atea A/S 2a01:7cc0:100:0:0:0:0:0/40 🇩🇰 Denmark —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   132ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net
📝 TXT Records1 records   346ms
TXT Record
v=spf1 ip4:178.20.216.100 include:spf.chosting.dk +a +mx ~all
✉️ SPF
PolicyRecord (optimumcoaching.dk)
~all (soft fail) v=spf1 ip4:178.20.216.100 include:spf.chosting.dk +a +mx ~all
📨 DMARC
PolicyRecord (_dmarc.optimumcoaching.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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
TXT _acme-challenge.optimumcoaching.dk Tgji7FzX2y_RVcraHz48ov7P5g__4CW4F4bjltHc-YE
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC162ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026070601
Primary NS (MNAME)ns5.chosting.dk
Responsible (RNAME)logs@chosting.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
73ms
A
51ms
MX
72ms
AAAA
71ms
TXT
346ms
CAA
62ms
HTTPS
63ms
TLSA
87ms
SOA
0ms
MTA-STS
155ms
DNSSEC
162ms
SRV
132ms
Total
881ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:22:43 881ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-08-27 05:58:37 9570ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-06 21:46:35 1233ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 19:04:53 2728ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 23:17:21 685ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 22:09:40 762ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-18 03:09:58 1793ms 3 NS 1 A 1 MX 🔓 Insecure View
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