deckoffice.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.188.79.209 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 89.188.79.209 | 3600s | — | AS48854 | team.blue Denmark A/S | 89.188.72.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| protonmail-verification=f2a711a544defc8062b193c0fc92bd1ee017fed8 |
| v=spf1 include:_spf.protonmail.ch ~all include:spf.protection.outlook.com -all |
| Policy | Record (deckoffice.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.protonmail.ch ~all include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.deckoffice.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www | 89.188.79.209 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032002 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 09:13:40 shown | 576ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-02 13:11:09 | 914ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-02 06:59:46 | 948ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 22:35:19 | 762ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 20:03:45 | 920ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 19:00:58 | 1386ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 01:25:05 | 636ms | 2 NS 1 A 2 MX | 🔒 Secure |