heartsscience.dk is a .dk domain served by 4 nameservers (pdns82.ultradns.biz, pdns82.ultradns.com, pdns82.ultradns.net and 1 more). It was registered on 28 March 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 141.193.213.20 is hosted by Cloudflare London, LLC (AS209242) in United States. 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 |
|---|---|---|---|---|---|---|---|
| 141.193.213.20 | — | — | AS209242 | Cloudflare London, LLC | 141.193.213.0/24 | 🇺🇸 United States | — |
| 141.193.213.21 | — | — | AS209242 | Cloudflare London, LLC | 141.193.213.0/24 | 🇺🇸 United States | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (heartsscience.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.heartsscience.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:rc7yjbis@ag.us.dmarcian.com; |
| www CNAME | 2nsu4zt7i45s.wpeproxy.com (all on wpeproxy.com) |
| www vs bare domain | Same network heartsscience.dk: 141.193.213.20 141.193.213.21 (AS209242) www.heartsscience.dk: 141.193.213.20 141.193.213.21 (AS209242) |
| 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 | 2020011020 |
| Primary NS (MNAME) | pdns82.ultradns.com |
| Responsible (RNAME) | hostmaster@omnicomgroup.com |
| Refresh | 7200s |
| Retry | 600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2017-03-28 |
| Expires | 2027-03-31 (163d) |
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 |
|---|---|---|---|
| 2026-09-15 13:39:53 | 2422ms | 4 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-22 00:46:42 | 1373ms | 4 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-17 01:45:53 | 2795ms | 4 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-15 18:05:56 | 9921ms | 4 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-08 02:19:22 | 3080ms | 4 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-25 12:10:58 | 10003ms | 4 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-28 07:22:16 | 2128ms | 4 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 14:41:52 | 2136ms | 4 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 04:13:38 | 1129ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 05:19:54 | 1938ms | 4 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 11:09:03 | 1076ms | 4 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 11:06:50 | 1073ms | 4 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 11:00:50 shown | 936ms | 4 NS 2 A 0 MX | 🔓 Insecure |