sentry.dk is a .dk domain served by 4 nameservers (ns-1484.awsdns-57.org, ns-1645.awsdns-13.co.uk, ns-500.awsdns-62.com and 1 more). It was registered on 6 December 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.64.218.254 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by mx1.improvmx.com, mx2.improvmx.com. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 3.64.218.254 | 600s | ec2-3-64-218-254.eu-central-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 3.64.0.0/12 | 🇩🇪 Germany | Frankfurt am Main |
| TXT Record |
|---|
| v=spf1 include:spf.improvmx.com include:amazonses.com ~all |
| Policy | Record (sentry.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.improvmx.com include:amazonses.com ~all |
| Policy | Record (_dmarc.sentry.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; rua=mailto:re+va54wguhve9@dmarc.postmarkapp.com; sp=none; aspf=r; |
| www CNAME | sentry.dk (all on sentry.dk) → 93.161.0.72 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | No |
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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns-1645.awsdns-13.co.uk |
| 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 | 2018-12-06 |
| Expires | 2026-12-31 (74d) |
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).
| Domain | Registrar |
|---|---|
| ephort.dk | Simply.com A/S |
| logvaerk.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 19:13:37 | 758ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-01 03:56:49 | 3291ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-02 19:36:33 | 3113ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-02 00:14:34 | 3202ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-26 18:18:18 | 1083ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-21 21:27:12 shown | 924ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 12:11:21 | 965ms | 4 NS 1 A 2 MX | 🔓 Insecure |