uddannelsesbyhelsingoer.dk
Last scanned: 2026-09-01 09:35:55  ·  521ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   29ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
3.125.228.140 600s ec2-3-125-228-140.eu-central-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 3.96.0.0/11 🇩🇪 Germany Frankfurt am Main
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover3.125.228.140
🔶 Autoconfig3.125.228.140
🔷 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
✗ 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC92ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2022110901
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
29ms
A
41ms
MX
45ms
AAAA
46ms
TXT
155ms
CAA
39ms
HTTPS
51ms
TLSA
91ms
SOA
0ms
MTA-STS
68ms
DNSSEC
92ms
SRV
61ms
Total
521ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 09:35:55 521ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-27 09:57:10 516ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-28 01:30:19 616ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-25 17:02:11 582ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-22 10:12:03 836ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-21 07:16:48 936ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 01:19:27 2588ms 3 NS 1 A 0 MX 🔒 Secure View
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