henriksen-hartz.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 16 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by henriksenhartz-dk02c.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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | mikroman-prod.azurewebsites.net → 52.166.78.97 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms84289455 |
| v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all |
| Policy | Record (henriksen-hartz.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all |
| Policy | Record (_dmarc.henriksen-hartz.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:fevbucwd@ag.dmarcian.eu; |
| www CNAME | mikroman-prod.azurewebsites.net (all on azurewebsites.net) → 52.166.78.97 (AS8075) |
| www vs bare domain | Only www resolves (all like this) |
| 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 |
|---|---|---|
| selector1 | selector1-henriksenhartz-dk02c._domainkey.henriksenhartz.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-henriksenhartz-dk02c._domainkey.henriksenhartz.onmicrosoft.com | 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: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.henriksen-hartz.dk | mikroman-prod.azurewebsites.net |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025100900 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2005-05-16 |
| Expires | 2027-05-31 (220d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 13:23:03 | 2149ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-03 03:55:52 | 892ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 03:51:52 | 1254ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-26 10:37:24 | 1303ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-25 20:01:36 | 868ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-25 16:19:42 shown | 918ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 05:39:12 | 920ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 11:22:58 | 697ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 11:20:15 | 2796ms | 3 NS 0 A 1 MX | 🔒 Secure |