flex4b.dk
📜 Historical scan 2026-06-17 09:49:38  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   54ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk — — —
ns2.curanet.dk — — —
🌍 A Records1 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.163.137.202 — — AS24961 WIIT AG 89.163.128.0/17 🇩🇪 Germany —
📧 MX Records5 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
1 — aspmx.l.google.com 64.233.164.27 lf-in-f27.1e100.net AS15169 Google LLC
5 — alt1.aspmx.l.google.com 192.178.211.26 lcbomp-in-f26.1e100.net AS15169 Google LLC
5 — alt2.aspmx.l.google.com 172.253.158.26 so-in-f26.1e100.net AS15169 Google LLC
10 — alt3.aspmx.l.google.com 108.177.125.26 tp-in-f26.1e100.net AS15169 Google LLC
10 — alt4.aspmx.l.google.com 173.194.43.26 yudlsqd-in-f26.1e100.net AS15169 Google LLC
🔷 AAAA Records (IPv6)1 records   53ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:4ba0:92c1:49::2 — — AS24961 WIIT AG 2001:4ba0::/31 🇩🇪 Germany —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   254ms
TXT Record
v=spf1 a mx ip4:89.163.137.202 ip6:2001:4ba0:92c1:49::2 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (flex4b.dk)
~all (soft fail) v=spf1 a mx ip4:89.163.137.202 ip6:2001:4ba0:92c1:49::2 include:_spf.google.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)
🔐 DNSSEC139ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA53ms
FieldValue
Serial2021033100
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
54ms
A
53ms
MX
52ms
AAAA
53ms
TXT
254ms
CAA
50ms
HTTPS
51ms
TLSA
72ms
SOA
53ms
MTA-STS
27ms
DNSSEC
139ms
SRV
0ms
Total
741ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 06:57:01 737ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-20 03:23:34 2807ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-17 09:49:38 741ms 2 NS 1 A 5 MX 🔒 Secure View
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