retention.dk is a .dk domain served by 2 nameservers (ns1.parkingcrew.net, ns2.parkingcrew.net). It was registered on 27 November 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.247.81.99 is hosted by Team Internet AG (AS206834) in Canada. Mail is handled by mail.h-email.net. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.247.81.99 | 3600s | — | AS206834 | Team Internet AG | 104.247.80.0/22 | 🇨🇦 Canada | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.247.81.99 |
| 🔶 Autoconfig | 104.247.81.99 |
| TXT Record |
|---|
| v=spf1 ip6:fd1b:212c:a5f9::/48 -all |
| Policy | Record (retention.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip6:fd1b:212c:a5f9::/48 -all |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www | 104.247.81.99 (AS206834) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · 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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1785411404 |
| Primary NS (MNAME) | ns1.parkingcrew.net |
| Responsible (RNAME) | hostmaster@retention.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2015-11-27 |
| Expires | 2026-11-30 (40d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 19:31:13 | 1657ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-29 09:54:38 | 1557ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 09:24:43 | 733ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 09:22:17 | 1590ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-25 03:09:05 | 2736ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-18 22:13:27 | 3585ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-06 19:17:43 | 1750ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-31 18:43:09 shown | 9639ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 17:21:05 | 20987ms | 0 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 14:19:54 | 2724ms | 2 NS 1 A 0 MX | 🔓 Insecure |