fedtudskiller.dk
Last scanned: 2026-08-28 03:38:55  ·  617ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   52ms
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   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.38 3600s linux78.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records1 records   61ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s aspmx.l.google.com 2a00:1450:4010:c0d::1a
2a00:1450:4010:c0d::1a
64.233.164.27		 lq-in-f26.1e100.net
lq-in-x1a.1e100.net
lf-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover94.231.103.38
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   71ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 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)
🔐 DNSSEC102ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2025042300
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
52ms
A
36ms
MX
61ms
AAAA
54ms
TXT
168ms
CAA
37ms
HTTPS
29ms
TLSA
53ms
SOA
0ms
MTA-STS
56ms
DNSSEC
102ms
SRV
71ms
Total
617ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 03:38:55 617ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-23 01:21:25 2916ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-21 23:45:39 979ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 21:51:06 438ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 10:08:18 775ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 10:07:41 6612ms 4 NS 1 A 1 MX 🔒 Secure View
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