krupa.dk

Records from scan: 2026-10-09 11:23:41 · 3588ms total · last checked 2026-10-20 20:46 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

krupa.dk is a .dk domain served by 3 nameservers (ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk). It was registered on 20 January 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.9.175.5 is hosted by WebSupport s.r.o. (AS51013) in Slovakia. Mail is handled by mailin1.krupa.dk, mailin2.krupa.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 53ms

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 Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.9.175.5	600s	—	AS51013	WebSupport s.r.o.	37.9.168.0/21	🇸🇰 Slovakia	—

📧 MX Records#

2 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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#

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)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 319ms

TXT Record
v=spf1 a mx include:_spf.m1.websupport.sk ?all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_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

🧩 Web & zone#

checked 2026-10-09 11:23:41

www	37.9.175.5 (AS51013) (address records, no CNAME)
www vs bare domain	Same network krupa.dk: 37.9.175.5 (AS51013) www.krupa.dk: 37.9.175.5 (AS51013)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

124ms

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

🏷️ SOA#

71ms

Field	Value
Serial	1774432070
Primary NS (MNAME)	ns1.websupport.sk
Responsible (RNAME)	admin@websupport.sk
Refresh	7200s
Retry	2048s
Expire	1048576s
Minimum (neg-cache TTL)	2560s

📋 Registration#

WHOIS fetched 2026-10-19 05:18:49

Field	Value
Registrar	NETIM
Registered	2009-01-20
Expires	2027-01-31 (101d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

53ms

45ms

56ms

AAAA

63ms

TXT

319ms

CAA

61ms

HTTPS

50ms

TLSA

158ms

SOA

71ms

MTA-STS

96ms

DNSSEC

124ms

SRV

114ms

Total

3588ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 11:23:41 shown	3588ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-25 02:12:51	861ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-11 11:44:26	9713ms	3 NS 1 A 2 MX	🔓 Insecure
2026-08-26 08:57:41	1182ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-19 14:36:06	1146ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-17 20:34:21	1668ms	3 NS 1 A 2 MX	🔓 Insecure