hjerteforeningen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 February 1998 (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. Mail is handled by hjerteforeningen-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 | 3600s | — | AS209242 | Cloudflare London, LLC | 141.193.213.0/24 | 🇺🇸 United States | — |
| 141.193.213.21 | 3600s | — | AS209242 | Cloudflare London, LLC | 141.193.213.0/24 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| 🔶 Autoconfig | 9tjs1njridao.wpeproxy.com → 141.193.213.21 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 100 | 5061 | sip.hjerteforeningen.dk |
| TXT Record |
|---|
| amazonses:A3yIjdi3t3PuhdR/HAuNqGSMQnpOOjzaBS2t0/VfTCc= |
| apple-domain-verification=fWYq2qvbMavF36zf |
| atlassian-domain-verification=CPMhERkKa4XallVODEY8aFg1liKzY6agkrq63A5fweQxlDgLL54dud53ichaVd5X |
| google-site-verification=AvtTFFZ_vhfSrV_Zoj65RSl7Mwoe6n5dav3Ntwpzc2I |
| google-site-verification=Bb68NJzn4ngk33XY_3Y57dvo762mMqn-gk6rtdS3Q8U |
| have-i-been-pwned-verification=dweb_8eoro4thwif1g1xtkas7x6np |
| k6nr84s6k23wgz090ybcxd63bl283gzd |
| MS=ms17586753 |
| openai-domain-verification=dv-8ut4ytTOrSx33hugAyLYMQMt |
| v=spf1 ip4:77.247.67.17 include:spf.protection.outlook.com -all |
| XYHLVbopL+W16CUl5NRlKjsD2AtFXOWNJ1zQwQC72cb3TaCH2uU7wfHJgIA5J1TyjfMR37YfMZpT7ODL8IUKdw== |
| Policy | Record (hjerteforeningen.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:77.247.67.17 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.hjerteforeningen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:649a898591c65@dmarc.centerasecurity.com; |
| www CNAME | 9tjs1njridao.wpeproxy.com (all on wpeproxy.com) |
| www vs bare domain | Same network hjerteforeningen.dk: 141.193.213.20 141.193.213.21 (AS209242) www.hjerteforeningen.dk: 141.193.213.20 141.193.213.21 (AS209242) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u7418464.wl215.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u7418464.wl215.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-hjerteforeningen-dk._domainkey.hjerteforeningen.onmicrosoft.com | 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: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.hjerteforeningen.dk | 9tjs1njridao.wpeproxy.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-02-16 |
| Expires | 2027-03-31 (160d) |
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 |
|---|---|---|---|
| 2026-10-20 09:55:13 | 1133ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-11 22:44:19 | 2358ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-07 14:56:42 | 1416ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-06 15:58:52 | 1042ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-02 15:16:55 shown | 1455ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-29 14:52:04 | 2731ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-22 05:01:04 | 2167ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-18 13:34:59 | 1363ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-14 00:04:12 | 5520ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-25 23:54:13 | 896ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-20 20:00:43 | 3321ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-17 12:25:07 | 3124ms | 2 NS 2 A 1 MX | 🔒 Secure |