bybutik.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 27 October 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.55.153 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by smtp.google.com, aspmx.l.google.com and 6 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 5.186.55.153 | 600s | 5.186.55.153.static.fibianet.dk | AS44869 | FIBIA P/S | 5.186.0.0/16 | 🇩🇰 Denmark | Lystrup |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | papa.bybutik.dk → 5.186.55.153 |
| 🔶 Autoconfig | papa.bybutik.dk → 5.186.55.153 |
| TXT Record |
|---|
| google-site-verification=r7IzCk_MvD7tFMn4HvlurvK4KaH5q_dCNJc_ULNUDUc |
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (bybutik.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| Policy | Record (_dmarc.bybutik.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:postmaster@bybutik.dk |
| www CNAME | papa.bybutik.dk (all on bybutik.dk) → 5.186.55.153 (AS44869) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| 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: 1/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.bybutik.dk | papa.bybutik.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025102301 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2012-10-27 |
| Expires | 2026-10-31 (6d) |
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 |
|---|---|
| kosmetisk-sygeplejerske.dk | Simply.com A/S |
| vibe-code.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 15:59:12 | 863ms | 4 NS 1 A 8 MX | 🔒 Secure |
| 2026-08-26 16:23:17 | 1439ms | 4 NS 1 A 8 MX | 🔒 Secure |
| 2026-06-24 19:38:37 shown | 1222ms | 4 NS 1 A 8 MX | 🔒 Secure |
| 2026-06-16 18:05:25 | 901ms | 4 NS 1 A 8 MX | 🔒 Secure |