3dsign.dk
Last scanned: 2026-08-30 12:52:45  ·  1559ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   83ms
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   63ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.7a.dk 2a00:fd01:8146:3d00::30 — AS214875 Altibox Danmark AS
🔷 AAAA Records (IPv6)1 records   79ms
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   872ms
TXT Record
v=spf1 include:spf.mailjet.com include:spf.simply.com -all
✉️ SPF
PolicyRecord (3dsign.dk)
-all (hard fail) v=spf1 include:spf.mailjet.com include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.3dsign.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.3dsign.dk 09ca4fc0-a1b4-46af-a2ae-9d26f7c2dd49.c-8a1f.tx.auth.certifytheweb.com
TXT 09ca4fc0-a1b4-46af-a2ae-9d26f7c2dd49.c-8a1f.tx.auth.certifytheweb.com 7Krg02O15WoY6CP1d6Y3c_B-O4QH-fTSHooCFsFXB3w
TXT 09ca4fc0-a1b4-46af-a2ae-9d26f7c2dd49.c-8a1f.tx.auth.certifytheweb.com vvSOtHEKaUmjnS7SFNXLcW80uAu6yVHyil4kowxV16o
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC195ms
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
83ms
A
96ms
MX
63ms
AAAA
79ms
TXT
872ms
CAA
80ms
HTTPS
103ms
TLSA
118ms
SOA
0ms
MTA-STS
120ms
DNSSEC
195ms
SRV
127ms
Total
1559ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 12:52:45 1559ms 3 NS 0 A 1 MX 🔒 Secure View
2026-08-29 02:53:17 1414ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-07 17:24:30 1843ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-21 03:28:21 2451ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:44:03 686ms 3 NS 1 A 1 MX 🔒 Secure View
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