fjernvarmeskolen.dk
Last scanned: 2026-06-26 07:55:44  ·  1161ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   229ms
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
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   176ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.178.15.251 2353s web-two.opening.dk AS48854 team.blue Denmark A/S 195.178.14.0/23 🇩🇰 Denmark —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   332ms
TXT Record
google-site-verification=IUefnCh7Q5V9bmsw2cMjHR3PtW0hJyWjnMf2UxcF_f0
✉️ 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)
🔐 DNSSEC338ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA218ms
FieldValue
Serial2026020300
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
229ms
A
176ms
MX
217ms
AAAA
230ms
TXT
332ms
CAA
250ms
HTTPS
252ms
TLSA
134ms
SOA
218ms
MTA-STS
249ms
DNSSEC
338ms
SRV
243ms
Total
1161ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 07:55:44 1161ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-26 03:11:09 695ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-17 09:31:20 433ms 4 NS 1 A 0 MX 🔒 Secure View
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