5t.dk
Last scanned: 2026-08-31 00:09:13  ·  1909ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   112ms
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 Records
🌍
No A records found
📧 MX Records1 records   115ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.7a.dk 2a00:fd01:8146:3d00::30 — AS214875 Altibox Danmark AS
🔷 AAAA Records (IPv6)1 records   80ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a00:fd01:8146:3d00:215:5dff:fe02:6d04 600s — AS214875 Altibox Danmark AS 2a00:fd01:0:0:0:0:0:0/32 🇩🇰 Denmark Grindsted
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   1069ms
TXT Record
v=spf1 include:spf.mailjet.com include:spf.simply.com -all
✉️ SPF
PolicyRecord (5t.dk)
-all (hard fail) v=spf1 include:spf.mailjet.com include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.5t.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.5t.dk 1ec8c828-3428-49a2-964d-ae7cdb693bce.c-8a1f.tx.auth.certifytheweb.com
TXT 1ec8c828-3428-49a2-964d-ae7cdb693bce.c-8a1f.tx.auth.certifytheweb.com 4aTt7uUKOHJ3VsWZYnwQ1A32fNo6O9rFb85TNiMMHfE
TXT 1ec8c828-3428-49a2-964d-ae7cdb693bce.c-8a1f.tx.auth.certifytheweb.com F3DREd6RL7DD5F8kURAm2CGZWhp6sClEpf2pEQw_SDk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC235ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026083003
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
112ms
A
107ms
MX
115ms
AAAA
80ms
TXT
1069ms
CAA
72ms
HTTPS
122ms
TLSA
170ms
SOA
0ms
MTA-STS
171ms
DNSSEC
235ms
SRV
136ms
Total
1909ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 00:09:13 1909ms 3 NS 0 A 1 MX 🔒 Secure View
2026-08-29 20:07:43 1508ms 3 NS 0 A 1 MX 🔒 Secure View
2026-08-28 19:13:08 1295ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-06 00:15:40 4679ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-25 10:47:47 1874ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 13:14:29 608ms 3 NS 1 A 1 MX 🔒 Secure View
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