cobi.dk is a .dk domain served by 2 nameservers (primary.infoserv.dk, secondary.infoserv.dk). It was registered on 29 October 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 139.162.143.67 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| primary.infoserv.dk | — | — | — |
| secondary.infoserv.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 139.162.143.67 | — | node4.ishost.dk | AS63949 | Akamai Connected Cloud | 139.162.0.0/16 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | dk.mx1.mailanyone.net | 192.162.219.155 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| 20 | — | dk.mx2.mx25.net | 192.162.219.49 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| 30 | — | dk.mx3.mailanyone.net | 192.162.219.255 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| 40 | — | dk.mx4.mx25.net | 192.162.219.255 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com include:spf.comendosystems.com include:servers.mcsv.net a:mail.ishost.dk a:mail3.ishost.dk -all |
| Policy | Record (cobi.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.comendosystems.com include:servers.mcsv.net a:mail.ishost.dk a:mail3.ishost.dk -all |
| Policy | Record (_dmarc.cobi.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 139.162.143.67 (AS63949) (address records, no CNAME) |
| 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.
DNS lookups: 7/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| 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 | 2024061217 |
| Primary NS (MNAME) | primary.infoserv.dk |
| Responsible (RNAME) | admin@infoserv |
| Refresh | 900s |
| Retry | 300s |
| Expire | 3600s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | WEBBUREAUET INFOSERV ApS |
| Registered | 1998-10-29 |
| Expires | 2026-12-31 (75d) |
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 |
|---|---|
| lasal.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-20 00:28:33 | 2897ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-02 00:33:17 | 1642ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-16 21:36:17 shown | 5301ms | 2 NS 1 A 4 MX | 🔓 Insecure |