airshell.dk
Last scanned: 2026-08-26 17:00:43  ·  542ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   67ms
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   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.100 600s dnsforward.simply.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 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 Records3 records   200ms
TXT Record
google-site-verification=rLE-mc5vPVcBlbnXxq7y3mTbNtNLPBT7RRJmZVWzg80
v=spf1 include:spf.scannet.dk include:mail.zendesk.com include:sendgrid.net ?all
v=spf1 mx -all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (airshell.dk)
?all (neutral) v=spf1 include:spf.scannet.dk include:mail.zendesk.com include:sendgrid.net ?all
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.airshell.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100;
📬 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)
🔐 DNSSEC142ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2022022101
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
67ms
A
55ms
MX
88ms
AAAA
94ms
TXT
200ms
CAA
95ms
HTTPS
62ms
TLSA
44ms
SOA
0ms
MTA-STS
120ms
DNSSEC
142ms
SRV
95ms
Total
542ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 17:00:43 542ms 4 NS 1 A 0 MX 🔒 Secure View
2026-08-25 16:43:43 409ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-28 14:55:37 1264ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-24 21:32:09 704ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-22 19:10:43 1168ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 00:24:46 791ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-20 22:28:08 915ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 02:45:49 450ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-16 13:21:35 2354ms 4 NS 1 A 0 MX 🔒 Secure View
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