henkterhorst.dk is a .dk domain served by 2 nameservers (dalary.ns.cloudflare.com, george.ns.cloudflare.com). It was registered on 21 February 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.6.37 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by henkterhorst-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 |
|---|---|---|---|---|---|---|---|
| 104.26.6.37 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 104.26.7.37 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 172.67.70.191 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.64.0/18 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:20::681a:625 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::681a:725 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::ac43:46bf | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.26.6.37,104.26.7.37,172.67.70.191 ipv6hint=2606:4700:20::681a:625,2606:4700:20::681a:725,2606:4700:20::ac43:46bf |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| google-site-verification=cLmeqSP3T4JViAbP7p7GnAIohlKH9rp5j4DFxUnvraQ |
| v=spf1 mx include:spf.protection.outlook.com include:_spf.supportbyrobin.com include:trustpilotservice.com ip4:91.98.184.9 include:spf.mandrillapp.com include:spf.henkterhorst.hypernode.io -all |
| Policy | Record (henkterhorst.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.protection.outlook.com include:_spf.supportbyrobin.com include:trustpilotservice.com ip4:91.98.184.9 include:spf.mandrillapp.com include:spf.henkterhorst.hypernode.io -all |
| Policy | Record (_dmarc.henkterhorst.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=50 |
| www | 104.26.6.37 104.26.7.37 172.67.70.191 2606:4700:20::681a:625 2606:4700:20::681a:725 2606:4700:20::ac43:46bf (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network henkterhorst.dk: 104.26.6.37 104.26.7.37 172.67.70.191 2606:4700:20::681a:625 (AS13335) www.henkterhorst.dk: 104.26.6.37 104.26.7.37 172.67.70.191 2606:4700:20::681a:625 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| selector1 | selector1-henkterhorst-dk._domainkey.henkterhorst.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: 7/10 · policy: -all
No problems found| 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 | 2404944339 |
| Primary NS (MNAME) | dalary.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Realtime Register B.V. |
| Registered | 2013-02-21 |
| Expires | 2027-02-28 (125d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 03:11:00 | 1965ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-11 22:24:42 | 2939ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-10 20:41:27 | 1871ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-27 03:58:17 | 866ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-19 00:43:52 | 1566ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-14 01:37:52 | 1721ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-12 13:24:36 | 2150ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-07-21 16:58:42 | 10181ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-26 23:42:58 shown | 1181ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-19 19:20:14 | 1968ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-19 12:51:15 | 1115ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:18:09 | 1668ms | 2 NS 3 A 1 MX | 🔓 Insecure |