falster.dk
Last scanned: 2026-06-20 12:01:47  ·  4771ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   42ms
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   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.100 600s dnsforward.simply.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records3 records   41ms
PriorityTTLMail ServerIP addressesPTRASN
1 600s mx1.larksuite.com 18.139.153.173 ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com AS16509 Amazon.com, Inc.
5 600s mx2.larksuite.com 18.139.153.173 ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com AS16509 Amazon.com, Inc.
10 600s mx3.larksuite.com 101.126.58.223
122.14.230.154
18.139.153.173		 —
—
ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com		 AS137718 Beijing Volcano Engine Technology Co., Ltd.
AS133119 China Unicom IP network
AS16509 Amazon.com, Inc.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   325ms
TXT Record
v=spf1 +include:spf.onlarksuite.com -all
verification-code-site-App_lark=OPMBG20fKgE8uwvRh1R3
✉️ SPF
PolicyRecord (falster.dk)
-all (hard fail) v=spf1 +include:spf.onlarksuite.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)
🔐 DNSSEC76ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA43ms
FieldValue
Serial2024111102
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
42ms
A
62ms
MX
41ms
AAAA
42ms
TXT
325ms
CAA
62ms
HTTPS
40ms
TLSA
188ms
SOA
43ms
MTA-STS
42ms
DNSSEC
76ms
SRV
85ms
Total
4771ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-20 12:01:47 4771ms 3 NS 1 A 3 MX 🔒 Secure View
2026-06-17 09:13:10 2884ms 3 NS 1 A 3 MX 🔒 Secure View
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