lærerkalender.dk xn--lrerkalender-6cb.dk
Last scanned: 2026-09-08 20:31:47  ·  2275ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   194ms
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   202ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 3600s — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —
📧 MX Records3 records   208ms
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--lrerkalender-6cb.dk → 46.183.138.100
🔶 Autoconfigxn--lrerkalender-6cb.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   1204ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk
📝 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.lærerkalender.dk xn--lrerkalender-6cb.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC277ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026090301
Primary NS (MNAME)ns1.gigahost.dk
Responsible (RNAME)hostmaster@xn--lrerkalender-6cb.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
194ms
A
202ms
MX
208ms
AAAA
186ms
TXT
408ms
CAA
46ms
HTTPS
57ms
TLSA
404ms
SOA
0ms
MTA-STS
229ms
DNSSEC
277ms
SRV
1204ms
Total
2275ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-08 20:31:47 2275ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-09-02 00:58:27 1636ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-27 11:12:45 794ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-20 18:37:00 9833ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-14 10:22:44 4448ms 5 NS 1 A 3 MX ❓ Unknown View
2026-08-07 23:06:28 1435ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-02 03:58:24 1092ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-23 11:25:26 1177ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-17 07:47:47 1226ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-09 02:06:08 1628ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-03 18:01:34 2907ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-27 07:48:00 975ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-22 00:54:53 1899ms 5 NS 1 A 3 MX 🔒 Secure View
2026-06-18 01:19:43 1675ms 5 NS 1 A 3 MX 🔒 Secure View
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