gdt.dk
Last scanned: 2026-06-28 15:06:14  ·  746ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   33ms
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   28ms
IPTTLPTRASNISP / OrgCIDRCountryCity
174.138.15.41 3600s 1583260.cloudwaysapps.com AS14061 DigitalOcean, LLC 174.138.0.0/17 🇳🇱 The Netherlands Amsterdam
📧 MX Records5 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s aspmx.l.google.com 2a00:1450:4010:c1e::1b
64.233.161.27		 lb-in-f27.1e100.net
lh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 3600s alt1.aspmx.l.google.com 172.253.158.26
2404:6800:4003:c26::1b		 so-in-f26.1e100.net
so-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 3600s alt2.aspmx.l.google.com 108.177.125.26
2404:6800:4008:c01::1a		 tp-in-f26.1e100.net
tp-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s alt3.aspmx.l.google.com 192.178.230.27
2404:6800:400b:c01b::1a		 yunrtab-in-f27.1e100.net
yunrtab-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s alt4.aspmx.l.google.com 173.194.43.27
2607:f8b0:400e:c1e::1b		 yudlsqd-in-f27.1e100.net
yudlsqd-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   129ms
TXT Record
v=spf1 include:_spf.google.com include:spf.simply.com -all
✉️ SPF
PolicyRecord (gdt.dk)
-all (hard fail) v=spf1 include:_spf.google.com include:spf.simply.com -all
📨 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)
🔐 DNSSEC61ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA32ms
FieldValue
Serial2026032600
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
33ms
A
28ms
MX
38ms
AAAA
29ms
TXT
129ms
CAA
28ms
HTTPS
25ms
TLSA
79ms
SOA
32ms
MTA-STS
38ms
DNSSEC
61ms
SRV
32ms
Total
746ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-28 15:06:14 746ms 3 NS 1 A 5 MX 🔓 Insecure View
2026-06-17 09:18:58 1443ms 3 NS 1 A 5 MX 🔓 Insecure View
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