osterbyskolen.dk
Last scanned: 2026-08-25 23:29:08  ·  469ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   33ms
NameserverIP addressesPTRASN / ISP
ns.scannet2.dk 185.25.141.9
2a02:2339:4006:10d::4171:4171		 ns1.scannet.dk
ns1.scannet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.scannet2.dk 2a02:2339:1:112:0:5:1:b11
91.197.248.72		 ns2.scannet.dk
ns2.scannet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
81.95.242.90 3600s dcms-d554.aar0.dk.hostnordic.com AS48854 team.blue Denmark A/S 81.95.240.0/20 🇩🇰 Denmark —
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover81.95.242.90
🔶 Autoconfig81.95.242.90
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   155ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (osterbyskolen.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.osterbyskolen.dk)
p=reject v=DMARC1; p=reject; rua=mailto:5f3288532a643@dmarc.centerasecurity.com;
📬 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC80ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2023120101
Primary NS (MNAME)ns.scannet2.dk
Responsible (RNAME)hostmaster@scannet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
33ms
A
43ms
MX
36ms
AAAA
39ms
TXT
155ms
CAA
47ms
HTTPS
33ms
TLSA
36ms
SOA
0ms
MTA-STS
43ms
DNSSEC
80ms
SRV
60ms
Total
469ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 23:29:08 469ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-24 21:46:33 467ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-29 07:35:06 570ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-22 23:49:38 648ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-21 21:26:50 1108ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 11:42:37 729ms 2 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone