sylca.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 5 August 2026 (WHOIS) and first appeared in the .dk zone on 6 August 2026. Mail is handled by sylca-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| TXT Record |
|---|
| MS=ms79580440 |
| MS=ms94210756 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (sylca.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | sylca-frontend-app.bravesand-6921bb45.swedencentral.azurecontainerapps.io (all on azurecontainerapps.io) → 57.174.168.91 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026082004 |
| 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 | 2026-08-05 |
| Expires | 2027-08-04 (280d) |
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| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 23:09:39 | 1124ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 21:28:12 | 2070ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 17:49:32 | 2395ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 15:38:34 | 805ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-10 14:32:02 | 3040ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-21 18:38:42 shown | 1735ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-13 22:52:52 | 1509ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-06 08:36:18 | 806ms | 3 NS 0 A 0 MX | 🔒 Secure |