corenutrition.dk is a .dk domain served by 2 nameservers (max.ns.cloudflare.com, veronica.ns.cloudflare.com). It was registered on 7 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.17.160 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.hornetsecurity.com, mx02.hornetsecurity.com and 2 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.17.160 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.177.167 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx01.hornetsecurity.com | 94.100.132.8 | mx01.hornetsecurity.com | AS25394 MK Netzdienste GmbH & Co. KG |
| 20 | 300s | mx02.hornetsecurity.com | 94.100.136.8 | mx02.hornetsecurity.com | AS24679 kyberio GmbH |
| 30 | 300s | mx03.hornetsecurity.com | 94.100.134.8 | mx03.hornetsecurity.com | AS12676 HKN GmbH |
| 40 | 300s | mx04.hornetsecurity.com | 94.100.136.7 | mx04.hornetsecurity.com | AS24679 kyberio GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.17.160 |
| 🔶 Autoconfig | 172.67.177.167 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::6815:11a0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:b1a7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.17.160,172.67.177.167 ech=AEX+DQBBtwAgACCXzG3kbWiHRHElf8gP5L3BSbPjMz+hSjsiTISgMPhfHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:11a0,2606:4700:3037::ac43:b1a7 |
| TXT Record |
|---|
| google-site-verification=UgzsHegpYaE8kLDo6Jm-nzbb4K-TqdZVIKoo2Kd7ckg |
| klaviyo-site-verification=TPGWHU |
| MS=ms32892649 |
| v=spf1 include:_spf1.visionhealthcare.eu include:spf.protection.outlook.com ~all |
| Policy | Record (corenutrition.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf1.visionhealthcare.eu include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.corenutrition.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@vhc.dev; sp=quarantine; |
| www | 104.21.17.160 172.67.177.167 2606:4700:3036::6815:11a0 2606:4700:3037::ac43:b1a7 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network corenutrition.dk: 104.21.17.160 172.67.177.167 2606:4700:3036::6815:11a0 2606:4700:3037::ac43:b1a7 (AS13335) www.corenutrition.dk: 104.21.17.160 172.67.177.167 2606:4700:3036::6815:11a0 2606:4700:3037::ac43:b1a7 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u6449032.wl033.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u6449032.wl033.sendgrid.net | 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: 8/10 · policy: ~all
| 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 | 2417890671 |
| Primary NS (MNAME) | max.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-02-07 |
| Expires | 2027-02-06 (106d) |
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 |
|---|---|
| healthwell.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 07:18:26 shown | 692ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-10-18 20:47:12 | 1121ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-10-17 20:03:03 | 2007ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-10-16 19:33:40 | 916ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-10-12 12:10:24 | 689ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-10-07 17:50:05 | 512ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-30 20:10:20 | 645ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-30 09:53:25 | 764ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-23 16:41:47 | 1224ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-17 22:45:00 | 1751ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-26 17:28:11 | 720ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-14 21:50:18 | 5699ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-07-18 12:48:02 | 9090ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-06-20 06:52:47 | 638ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-06-16 22:26:07 | 616ms | 2 NS 2 A 4 MX | 🔓 Insecure |