coworkplus.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 22 October 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.104.229.205 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| ns4.simply.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 172.104.229.205 | — | 172-104-229-205.ip.linodeusercontent.com | AS63949 | Akamai Connected Cloud | 172.104.224.0/19 | 🇩🇪 Germany | Frankfurt am Main |
| TXT Record |
|---|
| brevo-code:b431b21519901c88e85341f7fdb0a3ba |
| google-site-verification=2j6ymZtVuj-b_pgOn717oqhUad4SB_u-mmRR_lZUQeM |
| Policy | Record (_dmarc.coworkplus.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www | 172.104.229.205 (AS63949) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025103000 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2021-10-22 |
| Expires | 2027-10-21 (364d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 21:15:16 | 787ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-09 11:11:10 | 1113ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-02 04:02:33 | 1189ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-01 03:57:54 | 538ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-30 05:43:27 | 486ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-27 12:45:34 | 1037ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-27 08:18:11 | 2692ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-15 01:04:14 | 17237ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-12 10:51:51 | 25282ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-26 07:24:31 | 784ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-16 22:35:49 shown | 2826ms | 4 NS 1 A 5 MX | 🔒 Secure |