rbl-instituttet.dk
Last scanned: 2026-09-04 14:20:26  ·  860ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   79ms
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   215ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 3600s — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —
📧 MX Records3 records   77ms
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
🔷 Autodiscoverrbl-instituttet.dk → 46.183.138.100
🔶 Autoconfigrbl-instituttet.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   234ms
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.rbl-instituttet.dk rbl-instituttet.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC285ms
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@rbl-instituttet.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
79ms
A
215ms
MX
77ms
AAAA
211ms
TXT
168ms
CAA
32ms
HTTPS
208ms
TLSA
48ms
SOA
0ms
MTA-STS
211ms
DNSSEC
285ms
SRV
234ms
Total
860ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 14:20:26 860ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-09-02 21:42:13 9547ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-27 11:12:30 1104ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-27 06:46:29 1517ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-27 02:54:14 1089ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-20 11:22:45 9885ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-13 20:37:22 3348ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-06 10:44:22 1603ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-03 21:15:08 2417ms 5 NS 1 A 3 MX ❓ Unknown View
2026-07-23 15:02:25 9867ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-16 21:47:07 1596ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-10 21:26:09 9322ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-03 12:33:15 3599ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-28 11:22:12 1730ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-27 04:33:58 872ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-18 21:14:47 2917ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 15:33:30 592ms 5 NS 1 A 3 MX 🔓 Insecure View
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