krupa.dk
Last scanned: 2026-08-26 08:57:41  ·  1182ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   89ms
NameserverIP addressesPTRASN / ISP
ns1.websupport.sk 2a10:bbc0::11
45.10.97.11		 ns1.websupport.eu
ns1.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
ns2.websupport.sk 185.71.159.12
2a02:250:3::12		 ns2.websupport.eu
ns2.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
ns3.websupport.sk 2a10:bbc0::13
45.10.97.13		 ns3.websupport.eu
ns3.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
🌍 A Records1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
37.9.175.5 600s — AS51013 WebSupport s.r.o. 37.9.168.0/21 🇸🇰 Slovakia —
📧 MX Records2 records   65ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mailin1.krupa.dk 2a00:4b40:aaaa:2101:45:13:137:7
45.13.137.8		 m1-u5-mx.websupport.sk
m1-u6-mx.websupport.sk		 AS51013 WebSupport s.r.o.
AS51013 WebSupport s.r.o.
100 600s mailin2.krupa.dk 2a00:4b40:aaaa:2101:45:13:137:8
45.13.137.9		 m1-u6-mx.websupport.sk
m1-u7-mx.websupport.sk		 AS51013 WebSupport s.r.o.
AS51013 WebSupport s.r.o.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverweb.prod.bts.websupport.sk → 37.9.169.173
🔶 Autoconfigweb.prod.bts.websupport.sk → 37.9.169.172
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   334ms
TXT Record
v=spf1 a mx include:_spf.m1.websupport.sk ?all
✉️ SPF
PolicyRecord (krupa.dk)
?all (neutral) v=spf1 a mx include:_spf.m1.websupport.sk ?all
📨 DMARC
PolicyRecord (_dmarc.krupa.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:mailsecurity@krupa.dk;
📬 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)
🔐 DNSSEC149ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1774432070
Primary NS (MNAME)ns1.websupport.sk
Responsible (RNAME)admin@websupport.sk
Refresh7200s
Retry2048s
Expire1048576s
Minimum (neg-cache TTL)2560s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
89ms
A
45ms
MX
65ms
AAAA
92ms
TXT
334ms
CAA
96ms
HTTPS
74ms
TLSA
104ms
SOA
0ms
MTA-STS
97ms
DNSSEC
149ms
SRV
147ms
Total
1182ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 08:57:41 1182ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-19 14:36:06 1146ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 20:34:21 1668ms 3 NS 1 A 2 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone