knowledgehouse.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 8 July 2015 (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 ispc10.dotserv.com. The zone is not DNSSEC-signed, 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 | 14400s | — | AS53831 | Squarespace, Inc. | 198.185.159.0/24 | 🇺🇸 United States | New York |
| 198.185.159.145 | 14400s | — | AS53831 | Squarespace, Inc. | 198.185.159.0/24 | 🇺🇸 United States | — |
| 198.49.23.144 | 14400s | — | AS53831 | Squarespace, Inc. | 198.49.23.0/24 | 🇺🇸 United States | — |
| 198.49.23.145 | 14400s | — | AS53831 | Squarespace, Inc. | 198.49.23.0/24 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | ispc10.dotserv.com | 178.20.216.55 | ispc10.dotserv.com | AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.knowledgehouse.dk → 178.20.216.55 |
| TXT Record |
|---|
| v=spf1 include:_spf.dotserv.com -all |
| v=spf1 include:_spf.dotserv.com include:squarespace-mail.com -all |
| Policy | Record (knowledgehouse.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.dotserv.com -all |
| -all (hard fail) | v=spf1 include:_spf.dotserv.com include:squarespace-mail.com -all |
| Policy | Record (_dmarc.knowledgehouse.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | letsencrypt.org |
| www CNAME | ext-cust.squarespace.com (all on squarespace.com) |
| www vs bare domain | Same network knowledgehouse.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) www.knowledgehouse.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2023080701 |
| Primary NS (MNAME) | ns1.dotserv.com |
| Responsible (RNAME) | hostmaster@dotserv.com |
| Refresh | 1800s |
| Retry | 300s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | FIONIA IT ApS |
| Registered | 2015-07-08 |
| Expires | 2027-07-31 (277d) |
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).
| Domain | Registrar |
|---|---|
| denvidendevirksomhed.dk | FIONIA IT ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 14:22:24 | 1015ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-10-23 14:00:25 shown | 1438ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-10-17 02:47:15 | 811ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-10-01 02:32:30 | 3815ms | 4 NS 5 A 1 MX | 🔓 Insecure |
| 2026-09-30 05:44:25 | 3507ms | 4 NS 5 A 1 MX | 🔓 Insecure |
| 2026-09-24 14:05:22 | 734ms | 4 NS 5 A 1 MX | 🔓 Insecure |
| 2026-09-21 23:09:58 | 8699ms | 4 NS 5 A 1 MX | 🔓 Insecure |
| 2026-09-14 21:39:56 | 690ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-27 09:18:05 | 896ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-26 03:29:20 | 585ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-30 02:09:38 | 685ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-18 08:29:24 | 730ms | 4 NS 4 A 1 MX | 🔒 Secure |