christian-mark.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 6 April 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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.
| TXT Record |
|---|
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (christian-mark.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves christian-mark.dk: no address www.christian-mark.dk: no address |
| 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 |
| 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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026093000 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2016-04-06 |
| Expires | 2027-04-30 (189d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 12:26:18 | 669ms | 4 NS 0 A 5 MX | 🔒 Secure |
| 2026-10-01 06:26:51 shown | 595ms | 4 NS 0 A 5 MX | 🔒 Secure |
| 2026-09-24 16:08:24 | 576ms | 4 NS 0 A 5 MX | 🔒 Secure |
| 2026-09-13 00:44:37 | 660ms | 4 NS 0 A 5 MX | 🔒 Secure |
| 2026-09-02 15:31:34 | 754ms | 4 NS 0 A 5 MX | 🔒 Secure |
| 2026-06-26 17:08:19 | 2019ms | 4 NS 0 A 5 MX | 🔒 Secure |
| 2026-06-19 19:07:25 | 4559ms | 4 NS 0 A 5 MX | 🔒 Secure |
| 2026-06-16 20:35:15 | 698ms | 4 NS 0 A 5 MX | 🔒 Secure |