kruhac.dk DNS records

🖥️ Nameservers3 records 50ms

Nameserver	IP addresses	PTR	ASN / 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 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.9.175.180	600s	ing.r4.websupport.sk	AS51013	WebSupport s.r.o.	37.9.168.0/21	🇸🇰 Slovakia	—

📧 MX Records2 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mailin1.kruhac.dk	2a00:4b40:aaaa:2101:45:13:137:9 45.13.137.8	m1-u7-mx.websupport.sk mx20.websupport.at	AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o.
100	600s	mailin2.kruhac.dk	2a00:4b40:aaaa:2101:45:13:137:7 45.13.137.9	m1-u5-mx.websupport.sk m1-u7-mx.websupport.sk	AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	web.prod.bts.websupport.sk → 37.9.169.171
🔶 Autoconfig	web.prod.bts.websupport.sk → 37.9.169.171

🔷 AAAA Records (IPv6)1 records 54ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:4b40:aaaa:2007::6	600s	—	AS51013	WebSupport s.r.o.	2a00:4b40:0:0:0:0:0:0/32	🇸🇰 Slovakia	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 135ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	web.prod.bts.websupport.sk

📝 TXT Records2 records 328ms

TXT Record
spf2.0/pra a mx include:_sid.m1.websupport.sk ?all
v=spf1 a mx include:_spf.m1.websupport.sk ?all

✉️ SPF

Policy	Record (kruhac.dk)
?all (neutral)	v=spf1 a mx include:_spf.m1.websupport.sk ?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)

🔐 DNSSEC9118ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	1785765234
Primary NS (MNAME)	ns1.websupport.sk
Responsible (RNAME)	admin@websupport.sk
Refresh	7200s
Retry	2048s
Expire	1048576s
Minimum (neg-cache TTL)	2560s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

50ms

A

59ms

MX

64ms

AAAA

54ms

TXT

328ms

CAA

64ms

HTTPS

54ms

TLSA

105ms

SOA

0ms

MTA-STS

85ms

DNSSEC

9118ms

SRV

135ms

Total

10126ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-06 22:57:45	10126ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-27 09:46:21	4517ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-26 12:30:55	3849ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-24 18:31:41	3031ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-24 13:00:00	915ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 19:13:33	1164ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-17 11:39:50	3343ms	3 NS 1 A 2 MX	🔓 Insecure	View