holberggaard.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 7 October 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.185.159.144 is hosted by Squarespace, Inc. (AS53831) in United States. Mail is handled by mx.spamfilter.io. 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 |
|---|---|---|---|---|---|---|---|
| 198.185.159.144 | 60s | — | AS53831 | Squarespace, Inc. | 198.185.159.0/24 | 🇺🇸 United States | New York |
| 198.185.159.145 | 3600s | — | AS53831 | Squarespace, Inc. | 198.185.159.0/24 | 🇺🇸 United States | — |
| 198.49.23.144 | 3600s | — | AS53831 | Squarespace, Inc. | 198.49.23.0/24 | 🇺🇸 United States | — |
| 198.49.23.145 | 3600s | — | AS53831 | Squarespace, Inc. | 198.49.23.0/24 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscoverredirect.webexchange.nu → 46.36.209.50 |
| TXT Record |
|---|
| v=spf1 include:squarespace-mail.com include:spf.scannet.dk ~all |
| Policy | Record (holberggaard.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:squarespace-mail.com include:spf.scannet.dk ~all |
| Policy | Record (_dmarc.holberggaard.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www | 104.21.34.224 172.67.165.237 2606:4700:3030::6815:22e0 2606:4700:3036::ac43:a5ed (AS13335) (address records, no CNAME) |
| www vs bare domain | Only www resolves holberggaard.dk: no address (all like this)www.holberggaard.dk: 104.21.34.224 172.67.165.237 2606:4700:3030::6815:22e0 2606:4700:3036::ac43:a5ed (AS13335) |
| Wildcard | No |
DNS lookups: 4/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.spamfilter.io | DANE-EE · SPKI · SHA-256 | 9A25F05F2E322DABDCC9B7A06AB47A2D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2022061500 |
| 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 | Openprovider |
| Registered | 2026-10-07 |
| Expires | 2027-10-06 (347d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 17:53:40 | 1153ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-08 08:35:52 | 654ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-01 22:09:04 | 612ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-30 22:04:37 | 772ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-30 07:01:11 | 350ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-29 06:42:03 | 678ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-28 06:03:38 | 224ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-27 05:41:22 | 209ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-26 05:20:59 | 205ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-25 04:58:31 | 214ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-24 04:34:55 | 341ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-21 09:37:48 | 193ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-14 06:43:20 | 214ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-07 06:05:27 | 787ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-27 02:51:46 shown | 1858ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-19 09:28:11 | 2852ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-17 13:17:39 | 277ms | 0 NS 0 A 0 MX | ❓ Unknown |