holmgaardservice.dk is a .dk domain served by 3 nameservers (ns4.dns-123.net, ns5.dns-123.net, ns6.dns-123.net). It was registered on 31 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 31.43.160.6 is hosted by Amazon.com, Inc. (AS16509) in The Netherlands. Mail is handled by server7157.serverpark.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 31.43.160.6 | 7200s | sites.framer.app | AS16509 | Amazon.com, Inc. | 31.43.160.0/23 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 7200s | server7157.serverpark.dk | 5.186.164.157 | server7157.serverpark.dk | AS44869 FIBIA P/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 31.43.161.6 |
| 🔶 Autoconfig | 31.43.161.6 |
| TXT Record |
|---|
| v=spf1 a mx include:_spf.serverpark.dk ~all |
| Policy | Record (holmgaardservice.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:_spf.serverpark.dk ~all |
| Policy | Record (_dmarc.holmgaardservice.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | custom-domains.chatgpt.site (all on chatgpt.site) |
| www vs bare domain | Same network holmgaardservice.dk: 162.159.143.30 172.66.3.26 (AS13335) www.holmgaardservice.dk: 104.18.22.186 104.18.23.186 2606:4700::6812:16ba 2606:4700::6812:17ba (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u53539155.wl156.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u53539155.wl156.sendgrid.net | 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: 3/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025033101 |
| Primary NS (MNAME) | ns4.dns-123.net |
| Responsible (RNAME) | admin@dns-123.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | INTERNET 123 ApS |
| Registered | 2025-03-31 |
| Expires | 2027-03-30 (154d) |
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 |
|---|---|---|---|
| 2026-09-07 05:07:22 | 9500ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 21:01:03 | 842ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 03:02:36 shown | 574ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:52:26 | 2060ms | 3 NS 1 A 1 MX | 🔒 Secure |