kartotekcopenhagen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 October 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.227.38.32 is hosted by Cloudflare, Inc. (AS13335) in Canada. Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com and 2 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 23.227.38.32 | 3600s | myshopify.com | AS13335 | Cloudflare, Inc. | 23.227.38.0/23 | 🇨🇦 Canada | Ottawa |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod16-cph3.g1i.one.com | 5.249.232.33 | mx1.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod16-cph3.g1i.one.com | 5.249.232.34 | mx2.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod16-cph3.g1i.one.com | 5.249.232.35 | mx3.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod16-cph3.g1i.one.com | 5.249.232.36 | mx4.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (kartotekcopenhagen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.kartotekcopenhagen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dataprotection@kartotekcopenhagen.dk; ruf=mailto:dataprotection@kartotekcopenhagen.dk |
| www CNAME | kartotek-copenhagen.myshopify.com (all on myshopify.com) |
| www vs bare domain | Same network kartotekcopenhagen.dk: 23.227.38.32 (AS13335) www.kartotekcopenhagen.dk: 23.227.38.74 2620:127:f00f:e:: (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u39332454.wl205.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u39332454.wl205.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: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026101502 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-10-13 |
| Expires | 2026-10-31 (3d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 07:37:47 shown | 531ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-02 17:24:44 | 2209ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-30 17:06:01 | 525ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-30 04:21:14 | 918ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-26 20:20:10 | 4442ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-26 01:41:49 | 764ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-24 10:11:22 | 973ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-16 16:17:47 | 2894ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-14 14:55:32 | 5259ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-15 07:33:44 | 959ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-21 19:10:47 | 615ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-17 13:16:53 | 2205ms | 2 NS 1 A 4 MX | 🔓 Insecure |