digital-underskrift.dk
📜 Historical scan 2026-06-27 17:17:59  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   26ms
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   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
172.205.114.33 3600s — AS8075 Microsoft Corporation 172.200.0.0/13 🇮🇪 Ireland Dublin
📧 MX Records1 records   27ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.admin-securefirst.dk 159.69.242.34 mail.admin-securefirst.dk AS24940 Hetzner Online GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover172.205.114.33
🔶 Autoconfig172.205.114.33
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   138ms
TXT Record
v=spf1 mx a -all
✉️ SPF
PolicyRecord (digital-underskrift.dk)
-all (hard fail) v=spf1 mx a -all
📨 DMARC
PolicyRecord (_dmarc.digital-underskrift.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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)
🔐 DNSSEC50ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA25ms
FieldValue
Serial2025112700
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
26ms
A
32ms
MX
27ms
AAAA
27ms
TXT
138ms
CAA
28ms
HTTPS
32ms
TLSA
56ms
SOA
25ms
MTA-STS
35ms
DNSSEC
50ms
SRV
32ms
Total
583ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 03:47:58 738ms 3 NS 1 A 1 MX 🔒 Secure View
2026-09-02 00:09:18 500ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-02 20:53:46 843ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-27 17:17:59 583ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-23 01:20:34 709ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-17 02:50:45 621ms 3 NS 1 A 1 MX 🔒 Secure View
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