mailsrv.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 September 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by c-team-dk.mx1.staysecuregroup.com, c-team-dk.mx2.staysecuregroup.net. 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 | www.c-team.dk → 89.239.195.133 |
| 🔶 Autoconfig | www.c-team.dk → 89.239.195.133 |
| TXT Record |
|---|
| v=spf1 a mx ip4:87.48.130.105 ip4:87.48.130.101 include:_spf.stejtech.net ~all |
| Policy | Record (mailsrv.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:87.48.130.105 ip4:87.48.130.101 include:_spf.stejtech.net ~all |
| www CNAME | www.c-team.dk (all on c-team.dk) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 6/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.mailsrv.dk | www.c-team.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026041201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-09-23 |
| Expires | 2027-09-30 (345d) |
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 |
|---|---|---|---|
| 2026-10-19 11:59:13 | 1082ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-14 05:05:05 | 934ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-09 19:38:47 | 1882ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-30 16:19:43 | 624ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-30 09:38:01 | 794ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-23 17:53:28 | 878ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-24 01:01:06 shown | 1540ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-21 09:03:29 | 918ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 17:36:58 | 2858ms | 2 NS 0 A 2 MX | 🔒 Secure |