henza.dk is a .dk domain served by 2 nameservers (eva.ns.cloudflare.com, zod.ns.cloudflare.com). It was registered on 30 October 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 14 October 2026, when it moved from direct registration at Punktum to Simply.com A/S. Its website address 104.21.43.73 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.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 |
|---|---|---|---|---|---|---|---|
| 104.21.43.73 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.222.140 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::ac43:de8c | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:2b49 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.43.73,172.67.222.140 ech=AEX+DQBB0gAgACBnJ6i/nUsaqBThfBAwLcOV/OB6sreMe9uVdCX1dvxpKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:de8c,2606:4700:3037::6815:2b49 |
| TXT Record |
|---|
| v=spf1 include:_spf.powerhosting.dk +include:servers.mcsv.net +include:trustpilotservice.com include:spf.simply.com +a +mx ~all |
| Policy | Record (henza.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.powerhosting.dk +include:servers.mcsv.net +include:trustpilotservice.com include:spf.simply.com +a +mx ~all |
| Policy | Record (_dmarc.henza.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:b414ce3d9f0e4d20a0260f821d83db75@dmarc-reports.cloudflare.net |
| www CNAME | shops.myshopify.com (all on myshopify.com) |
| www vs bare domain | Same network henza.dk: 23.227.38.65 2620:127:f00f:5:: (AS13335) www.henza.dk: 23.227.38.74 2620:127:f00f:e:: (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA Invalid key data — receivers can't verify signatures |
| dkim | ph._domainkey.powerhosting.dk | 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: 6/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.henza.dk | _acme-challenge.powr.host |
| TXT | _acme-challenge.powr.host | ACMN0ukU77dBRI5Nqb8d0wSyppdb33jzXbOMVWAeIbE |
| TXT | _acme-challenge.powr.host | EBwPWGpForqvV7oP9xhpLHTpU472CGAbpDhf-Yy9CU4 |
| TXT | _acme-challenge.powr.host | ZcCAChWGwtNdp6oBfdkltZc2QT83CUujIk-QGzKiOzk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| 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 | 2406547895 |
| Primary NS (MNAME) | eva.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 | 2009-10-30 |
| Expires | 2027-10-31 (370d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 23:08:41 | 360ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-13 22:16:38 | 1196ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-11 19:34:36 | 473ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 10:29:13 | 1188ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 06:47:12 | 540ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 10:11:29 | 648ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 23:23:20 | 778ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-15 04:29:38 | 1145ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-13 20:53:20 | 1031ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-25 11:42:35 | 1576ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 00:25:21 | 904ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 15:50:49 shown | 505ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:20:08 | 1135ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:19:15 | 965ms | 2 NS 2 A 1 MX | 🔓 Insecure |