nullfile.dk
📜 Historical scan 2026-06-17 23:17:11  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   68ms
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   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
90.185.78.212 — x5ab94ed4.customers.hiper-net.dk AS203953 Hiper A/S 90.184.0.0/15 🇩🇰 Denmark Valby
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover100.64.156.56
🔶 Autoconfig100.64.156.56
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 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)
🔐 DNSSEC70ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA48ms
FieldValue
Serial2025121800
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
68ms
A
44ms
MX
48ms
AAAA
39ms
TXT
200ms
CAA
78ms
HTTPS
121ms
TLSA
196ms
SOA
48ms
MTA-STS
78ms
DNSSEC
70ms
SRV
95ms
Total
739ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 03:19:55 761ms 4 NS 1 A 0 MX 🔒 Secure View
2026-07-02 02:24:06 621ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-21 13:23:28 862ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-21 09:43:14 1189ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 07:20:10 1144ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 23:17:11 739ms 4 NS 1 A 0 MX 🔒 Secure View
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