cobis.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 December 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 206.189.99.176 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by mailgw.sbshosting.dk. 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 |
|---|---|---|---|---|---|---|---|
| 206.189.99.176 | 600s | 567842.cloudwaysapps.com | AS14061 | DigitalOcean, LLC | 206.189.0.0/16 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mailgw.sbshosting.dk | 5.57.55.126 | mailgw.sbshosting.dk | AS198608 Symbion A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.symbion.dk → 5.57.51.31 |
| TXT Record |
|---|
| google-site-verification=dy91kwLjS4VK18Ao4_KbnUaMgp8_e64LehCT4gUOE7I |
| MS=ms74618574 |
| v=spf1 a ip4:5.57.51.23 include:spf.protection.outlook.com include:mailgun.org include:spf.sbshosting.dk -all |
| Policy | Record (cobis.dk) |
|---|---|
| -all (hard fail) | v=spf1 a ip4:5.57.51.23 include:spf.protection.outlook.com include:mailgun.org include:spf.sbshosting.dk -all |
| Policy | Record (_dmarc.cobis.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www CNAME | cobis.dk (all on cobis.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | — | RSA · ~1024 bit below 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: 8/10 · 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 | 2026041301 |
| 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 | 2024-12-12 |
| Expires | 2026-12-11 (54d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-31 08:40:16 | 1783ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 11:23:49 | 541ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 09:09:15 | 810ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 20:53:00 | 6740ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 16:47:20 | 4919ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-20 16:56:19 shown | 6804ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 09:43:37 | 697ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 16:09:52 | 608ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 21:35:20 | 604ms | 2 NS 1 A 1 MX | 🔓 Insecure |