leerdammer.dk
Last scanned: 2026-06-27 05:16:23  ·  2562ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   254ms
NameserverIP addressesPTRASN / ISP
nsa.perf1.fr 2a01:c8:100::100
81.92.94.100		 nsa.perf1.fr
nsa.perf1.fr		 AS20756 Nameshield SAS
AS20756 Nameshield SAS
nsb.perf1.com 2a01:c8:101::100
81.92.95.100		 nsb.perf1.com
nsb.perf1.com		 AS20756 Nameshield SAS
AS20756 Nameshield SAS
nsc.perf1.com 152.89.172.100
2a09:35c0:102::100		 nsc.perf1.com
nsc.perf1.com		 AS209510 Nameshield SAS
AS209510 Nameshield SAS
🌍 A Records2 records   245ms
IPTTLPTRASNISP / OrgCIDRCountryCity
45.223.137.80 43200s — AS19551 Incapsula Inc 45.223.128.0/19 🇺🇸 United States —
45.223.147.80 43200s — AS19551 Incapsula Inc 45.223.128.0/19 🇺🇸 United States —
📧 MX Records1 records   294ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.leerdammer.dk 195.64.164.240 basic-mail.safebrands.com AS196763 Key-Systems GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   666ms
TXT Record
_pki-validation.leerdammer.dk
v=spf1 -all
✉️ SPF
PolicyRecord (leerdammer.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.leerdammer.dk)
p=reject v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
📬 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)
🔐 DNSSEC554ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA228ms
FieldValue
Serial2024012414
Primary NS (MNAME)nsa.perf1.fr
Responsible (RNAME)technical@nameshield.net
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)7200s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
254ms
A
245ms
MX
294ms
AAAA
255ms
TXT
666ms
CAA
238ms
HTTPS
268ms
TLSA
222ms
SOA
228ms
MTA-STS
284ms
DNSSEC
554ms
SRV
277ms
Total
2562ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-27 05:16:23 2562ms 3 NS 2 A 1 MX 🔓 Insecure View
2026-06-26 04:55:35 1750ms 3 NS 2 A 1 MX 🔓 Insecure View
2026-06-18 05:32:11 620ms 3 NS 2 A 1 MX 🔓 Insecure View
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