borgertanker.dk is a .dk domain served by 4 nameservers (ns-1256.awsdns-29.org, ns-1883.awsdns-43.co.uk, ns-624.awsdns-14.net and 1 more). It was registered on 3 March 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, 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.
| TXT Record |
|---|
| v=spf1 a mx ip4:195.201.255.19 -all |
| Policy | Record (borgertanker.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:195.201.255.19 -all |
| Policy | Record (_dmarc.borgertanker.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:postmaster@skrig.dk; ruf=mailto:postmaster@skrig.dk; fo=1 |
| Check | Result |
|---|---|
| Status | ⚠️ Invalid |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✗ Missing / invalid |
| Policy ID | 1789223725 |
| Policy MX | — |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:tlsrpt@skrig.dk |
| www | 195.201.253.48 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network borgertanker.dk: 195.201.253.48 2a01:4f8:1c0c:81ac::1 (AS24940) www.borgertanker.dk: 195.201.253.48 (AS24940) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 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: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns-624.awsdns-14.net |
| Responsible (RNAME) | awsdns-hostmaster@amazon.com |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-03-03 |
| Expires | 2028-03-31 (530d) |
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 |
|---|---|---|---|
| 2026-10-09 13:22:41 | 6522ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 12:55:15 | 1830ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 12:05:01 | 1769ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 10:12:34 | 432ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-30 18:47:18 | 2841ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-30 02:02:24 shown | 2938ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-26 00:52:45 | 3278ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-26 22:12:04 | 741ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-20 15:42:30 | 1421ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-20 11:07:12 | 440ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 16:05:14 | 2432ms | 4 NS 0 A 0 MX | 🔓 Insecure |