tstoff.dk is a .dk domain served by 2 nameservers (rayden.ns.cloudflare.com, sasha.ns.cloudflare.com). It was registered on 5 December 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by tstoff-dk.mail.protection.outlook.com. 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms90279325 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (tstoff.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.tstoff.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:6fcbcc7d58654f5f89be0d0d5ef5b552@dmarc-reports.cloudflare.net |
| www | Exists, no address |
| www vs bare domain | Neither resolves tstoff.dk: no address www.tstoff.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| 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 | 2409890506 |
| Primary NS (MNAME) | rayden.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA |
| Registered | 2024-12-05 |
| Expires | 2026-12-04 (43d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 16:14:10 | 983ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-07 16:11:52 | 1493ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-17 22:14:59 | 1877ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-10 20:20:55 | 10943ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 01:13:34 | 968ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-22 03:58:16 | 8142ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-10 07:38:24 | 2084ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-29 18:09:42 | 1657ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-20 13:37:22 shown | 1873ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-04 21:55:36 | 4224ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-21 22:58:52 | 854ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-18 02:44:45 | 2876ms | 2 NS 0 A 1 MX | 🔒 Secure |