jacobfrisch.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod13-cph3.one.com, mx2.pub.mailpod13-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | 600s | domain-parking.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod13-cph3.one.com | 185.10.9.42 | mx1.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod13-cph3.one.com | 185.10.9.43 | mx2.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod13-cph3.one.com | 185.10.9.44 | mx3.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod13-cph3.one.com | 185.10.9.45 | mx4.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| MS=3D601BD4D211304F5BAE9D041E3E5C177EEE45A |
| www CNAME | jacobfrisch.dk (all on jacobfrisch.dk) |
| www vs bare domain | Same network |
| 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.
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | 7923F8E70F50B8C6DFFC5E73814B9D2D… |
| SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | 7923F8E70F50B8C6DFFC5E73814B9D2D… |
| SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | 7923F8E70F50B8C6DFFC5E73814B9D2D… |
| SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | 7923F8E70F50B8C6DFFC5E73814B9D2D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026072101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 06:57:19 | 475ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-23 15:07:34 | 679ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-03 21:05:54 | 617ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-12 21:05:52 | 3813ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-09 16:42:13 | 1186ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-07 09:39:27 | 626ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-22 17:03:55 shown | 837ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-10 06:35:27 | 984ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 22:27:31 | 1026ms | 2 NS 1 A 4 MX | 🔒 Secure |