os2skoledata.dk
Last scanned: 2026-08-27 23:12:43  ·  3305ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   46ms
NameserverIP addressesPTRASN / ISP
ns-1008.awsdns-62.net 205.251.195.240
2600:9000:5303:f000::1		 ns-1008.awsdns-62.net
ns-1008.awsdns-62.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1475.awsdns-56.org 205.251.197.195
2600:9000:5305:c300::1		 ns-1475.awsdns-56.org
ns-1475.awsdns-56.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1609.awsdns-09.co.uk 205.251.198.73
2600:9000:5306:4900::1		 ns-1609.awsdns-09.co.uk
ns-1609.awsdns-09.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-189.awsdns-23.com 205.251.192.189
2600:9000:5300:bd00::1		 ns-189.awsdns-23.com
ns-189.awsdns-23.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverlb-0a484d401c504a0199b34b93b640d4ef-1.upcloudlb.com → 212.147.227.217
🔶 Autoconfiglb-0a484d401c504a0199b34b93b640d4ef-1.upcloudlb.com → 212.147.227.217
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.os2skoledata.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
CNAME _acme-challenge.os2skoledata.dk _acme-challenge.9ac01310829aae848a5b299bb9e38ac9fdd3e0d949697c77.upcloudlb.com
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC94ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial1
Primary NS (MNAME)ns-1609.awsdns-09.co.uk
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
47ms
MX
51ms
AAAA
45ms
TXT
261ms
CAA
50ms
HTTPS
56ms
TLSA
61ms
SOA
0ms
MTA-STS
108ms
DNSSEC
94ms
SRV
347ms
Total
3305ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 23:12:43 3305ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-24 08:50:02 972ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-23 14:44:24 947ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 11:38:18 1016ms 4 NS 0 A 0 MX 🔓 Insecure View
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