crown-tools.dk is a .dk domain served by 2 nameservers (ns01.proisp.no, ns02.proisp.no). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.37.38.87 is hosted by One.com A/S (AS51468) in Norway. Mail is handled by mx1-proisp-no.pub.mailpod1-osl1.one.com, mx2-proisp-no.pub.mailpod1-osl1.one.com and 1 more. The zone is of unknown DNSSEC status, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.37.38.87 | 3600s | webcluster1.webpod1-osl1.one.com | AS51468 | One.com A/S | 104.37.32.0/21 | 🇳🇴 Norway | Oslo |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1-proisp-no.pub.mailpod1-osl1.one.com | 104.37.38.155 | mx1-proisp-no.pub.mailpod1-osl1.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2-proisp-no.pub.mailpod1-osl1.one.com | 104.37.38.156 | mx2-proisp-no.pub.mailpod1-osl1.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3-proisp-no.pub.mailpod1-osl1.one.com | 104.37.38.157 | mx3-proisp-no.pub.mailpod1-osl1.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:7:100:17d:9912:f920:26ef | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇳🇴 Norway | Oslo |
| TXT Record |
|---|
| v=spf1 include:_spf.proisp.no +a +mx ~all |
| Policy | Record (crown-tools.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.proisp.no +a +mx ~all |
| www | 104.37.38.87 2a02:2350:7:100:17d:9912:f920:26ef (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network crown-tools.dk: 104.37.38.87 2a02:2350:7:100:17d:9912:f920:26ef (AS51468) www.crown-tools.dk: 104.37.38.87 2a02:2350:7:100:17d:9912:f920:26ef (AS51468) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 4/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-proisp-no.pub.mailpod1-osl1.one.com | DANE-EE · SPKI · SHA-256 | A85116CD317DC6A2492B5A09C4698406… |
| SMTP _25._tcp.mx2-proisp-no.pub.mailpod1-osl1.one.com | DANE-EE · SPKI · SHA-256 | A85116CD317DC6A2492B5A09C4698406… |
| SMTP _25._tcp.mx3-proisp-no.pub.mailpod1-osl1.one.com | DANE-EE · SPKI · SHA-256 | A85116CD317DC6A2492B5A09C4698406… |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'crown-tools.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026071101 |
| Primary NS (MNAME) | ns01.proisp.no |
| Responsible (RNAME) | hostmaster@proisp.no |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 17:30:31 | 615ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 10:20:02 | 974ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 01:21:39 | 669ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-11 16:38:56 | 620ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-10 00:36:56 | 2886ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-25 14:08:02 | 1107ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-25 11:14:43 | 748ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-08 11:46:40 | 1139ms | 2 NS 1 A 3 MX | ❓ Unknown |
| 2026-07-27 02:30:09 | 1139ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-13 02:51:17 shown | 1504ms | 2 NS 1 A 3 MX | ❓ Unknown |
| 2026-06-27 06:01:23 | 659ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 21:51:07 | 768ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 00:09:29 | 65535ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 23:05:51 | 616ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 23:04:08 | 1995ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 23:01:20 | 918ms | 2 NS 1 A 3 MX | 🔓 Insecure |