kruhac.dk is a .dk domain served by 3 nameservers (ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk). It was registered on 19 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.9.175.180 is hosted by WebSupport s.r.o. (AS51013) in Slovakia. Mail is handled by mailin1.kruhac.dk, mailin2.kruhac.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| 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 | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | web.prod.bts.websupport.sk → 37.9.169.172 |
| 🔶 Autoconfig | web.prod.bts.websupport.sk → 37.9.169.172 |
| 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 | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | web.prod.bts.websupport.sk |
| TXT Record |
|---|
| spf2.0/pra a mx include:_sid.m1.websupport.sk ?all |
| v=spf1 a mx include:_spf.m1.websupport.sk ?all |
| Policy | Record (kruhac.dk) |
|---|---|
| ?all (neutral) | v=spf1 a mx include:_spf.m1.websupport.sk ?all |
| www | 37.9.175.180 2a00:4b40:aaaa:2007::7 (AS51013) (address records, no CNAME) |
| www vs bare domain | Same network kruhac.dk: 37.9.175.180 2a00:4b40:aaaa:2007::6 (AS51013) www.kruhac.dk: 37.9.175.180 2a00:4b40:aaaa:2007::7 (AS51013) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~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.
DNS lookups: 3/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1780651550 |
| Primary NS (MNAME) | ns1.websupport.sk |
| Responsible (RNAME) | admin@websupport.sk |
| Refresh | 7200s |
| Retry | 2048s |
| Expire | 1048576s |
| Minimum (neg-cache TTL) | 2560s |
| Field | Value |
|---|---|
| Registrar | Gransy s.r.o. |
| Registered | 2023-03-19 |
| Expires | 2027-03-18 (148d) |
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).
| Domain | Registrar |
|---|---|
| medzihradska.dk | Gransy s.r.o. |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 01:07:31 | 748ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-01 20:38:42 | 795ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-25 19:22:30 | 935ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-06 22:57:45 | 10126ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-27 09:46:21 | 4517ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-26 12:30:55 | 3849ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 18:31:41 shown | 3031ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 13:00:00 | 915ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 19:13:33 | 1164ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 11:39:50 | 3343ms | 3 NS 1 A 2 MX | 🔓 Insecure |