kalkeksperten.dk is a .dk domain served by 2 nameservers (art.ns.cloudflare.com, elle.ns.cloudflare.com). It was registered on 15 August 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.10.231 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by kalkeksperten-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.26.10.231 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 104.26.11.231 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 172.67.75.143 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.64.0/18 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| 🔶 Autoconfig | 172.67.75.143 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:20::681a:ae7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::681a:be7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::ac43:4b8f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.26.10.231,104.26.11.231,172.67.75.143 ipv6hint=2606:4700:20::681a:ae7,2606:4700:20::681a:be7,2606:4700:20::ac43:4b8f |
| TXT Record |
|---|
| google-site-verification=K4lVssaNYG62M5N-1BsNQaSOVK7kI9yHjmePs8nqtZI |
| MS=ms67605110 |
| v=spf1 a mx include:mail.zendesk.com include:spf.protection.outlook.com include:spf.simply.com ~all |
| Policy | Record (kalkeksperten.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:mail.zendesk.com include:spf.protection.outlook.com include:spf.simply.com ~all |
| Policy | Record (_dmarc.kalkeksperten.dk) |
|---|---|
| p=quarantine | v=DMARC1;p=quarantine;adkim=r;aspf=r;rua=mailto:cf94d55d9cbb44b489a36a7712fb2bd4@dmarc-reports.cloudflare.net;fo=1 |
| www | 104.26.10.231 104.26.11.231 172.67.75.143 2606:4700:20::681a:ae7 2606:4700:20::681a:be7 2606:4700:20::ac43:4b8f (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network kalkeksperten.dk: 104.26.10.231 104.26.11.231 172.67.75.143 2606:4700:20::681a:ae7 (AS13335) www.kalkeksperten.dk: 104.26.10.231 104.26.11.231 172.67.75.143 2606:4700:20::681a:ae7 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u36337049.wl050.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u36337049.wl050.sendgrid.net | RSA · ~2048 bit |
| selector1 | selector1-kalkeksperten-dk._domainkey.kalkeksperten.d-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-kalkeksperten-dk._domainkey.kalkeksperten.d-v1.dkim.mail.microsoft | RSA · ~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: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2412333486 |
| Primary NS (MNAME) | art.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2024-08-15 |
| Expires | 2027-08-14 (290d) |
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 |
|---|---|---|---|
| 2026-10-27 01:26:17 | 936ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-23 02:27:40 | 514ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-21 16:04:11 | 2256ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-14 20:17:57 | 1343ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-09 10:48:58 | 1222ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-07 18:37:35 | 1122ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-07 10:51:33 | 2000ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-01 06:52:01 | 1315ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-28 05:23:22 | 10151ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-17 17:18:06 | 1187ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-05 22:08:32 | 2186ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-27 03:32:09 | 1049ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-20 04:16:40 | 15802ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-16 11:26:13 shown | 2218ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-07-27 08:27:38 | 1531ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-07-03 19:54:29 | 2968ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-25 11:49:05 | 4757ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-22 23:46:28 | 1184ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 20:20:32 | 932ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-18 21:31:09 | 5546ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-18 00:56:47 | 1663ms | 2 NS 3 A 1 MX | 🔓 Insecure |