førstehjælpskursus.dk xn--frstehjlpskursus-0ob13a.dk
Last scanned: 2026-08-27 22:55:40  ·  775ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   178ms
NameserverIP addressesPTRASN / ISP
ns1.gigahost.dk 46.183.139.31 ns1.gigahost.dk AS47292 Sentia Denmark A/S
ns2.gigahost.dk 46.183.139.222 web22.gigahost.dk AS47292 Sentia Denmark A/S
ns3.gigahost.dk 71.19.249.71 ns3.gigahost.dk AS11831 eSecureData
ns4.gigahost.dk 51.79.215.130 ns4.gigahost.dk AS16276 OVH SAS
ns5.gigahost.dk 77.74.192.83 ns5.gigahost.dk AS42831 UK Dedicated Servers Limited
🌍 A Records1 records   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 3600s — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —
📧 MX Records3 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.gigahost.dk 46.183.139.11 mx1.gigahost.dk AS47292 Sentia Denmark A/S
10 3600s mx2.gigahost.dk 46.183.139.12 mx2.gigahost.dk AS47292 Sentia Denmark A/S
10 3600s mx3.gigahost.dk 46.183.139.13 mx3.gigahost.dk AS47292 Sentia Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverxn--frstehjlpskursus-0ob13a.dk → 46.183.138.100
🔶 Autoconfigxn--frstehjlpskursus-0ob13a.dk → 46.183.138.100
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   306ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk
📝 TXT Records2 records   244ms
TXT Record
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all
✉️ SPF
PolicyRecord (førstehjælpskursus.dk)
-all (hard fail) v=spf1 mx include:spf.gigahost.dk -all
📨 DMARC
PolicyRecord (_dmarc.førstehjælpskursus.dk)
p=reject v=DMARC1; p=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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.førstehjælpskursus.dk xn--frstehjlpskursus-0ob13a.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC348ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082701
Primary NS (MNAME)ns1.gigahost.dk
Responsible (RNAME)hostmaster@xn--frstehjlpskursus-0ob13a.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
178ms
A
50ms
MX
48ms
AAAA
200ms
TXT
244ms
CAA
46ms
HTTPS
25ms
TLSA
54ms
SOA
0ms
MTA-STS
187ms
DNSSEC
348ms
SRV
306ms
Total
775ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 22:55:40 775ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-20 13:26:53 7306ms 5 NS 1 A 3 MX ❓ Unknown View
2026-08-13 06:41:12 5543ms 5 NS 1 A 3 MX ❓ Unknown View
2026-08-06 18:10:37 9803ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-30 16:14:34 1769ms 5 NS 1 A 3 MX ❓ Unknown View
2026-07-23 18:17:40 831ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-16 09:39:02 1126ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-09 04:05:48 17052ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-03 14:36:14 4578ms 5 NS 1 A 3 MX ❓ Unknown View
2026-06-25 05:28:11 1119ms 5 NS 1 A 3 MX ❓ Unknown View
2026-06-23 05:06:19 819ms 5 NS 1 A 3 MX ❓ Unknown View
2026-06-20 22:10:01 542ms 5 NS 1 A 3 MX 🔒 Secure View
2026-06-19 07:26:48 1654ms 5 NS 1 A 3 MX 🔒 Secure View
2026-06-17 09:27:04 776ms 5 NS 1 A 3 MX 🔒 Secure View
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