fosyd.dk is a .dk domain served by 2 nameservers (aarav.ns.cloudflare.com, addilyn.ns.cloudflare.com). It was registered on 4 August 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.105.224.40 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by fosyd-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 20.105.224.40 | — | — | AS8075 | Microsoft Corporation | 20.64.0.0/10 | 🇳🇱 The Netherlands | Amsterdam |
| TXT Record |
|---|
| MS=ms71930498 |
| v=spf1 ip4:40.67.208.1 ip4:20.126.124.177 ip4:23.97.187.218 include:spf.protection.outlook.com -all |
| Policy | Record (fosyd.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:40.67.208.1 ip4:20.126.124.177 ip4:23.97.187.218 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.fosyd.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@solidit.dk; |
| www | 104.21.93.219 172.67.215.82 2606:4700:3031::6815:5ddb 2606:4700:3037::ac43:d752 (AS13335) (address records, no CNAME) |
| www vs bare domain | Different networks fosyd.dk: 20.105.224.40 (AS8075) (all like this)www.fosyd.dk: 104.21.93.219 172.67.215.82 2606:4700:3031::6815:5ddb 2606:4700:3037::ac43:d752 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-fosyd-dk._domainkey.fosyd.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-fosyd-dk._domainkey.fosyd.onmicrosoft.com | 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| 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 | 2406707434 |
| Primary NS (MNAME) | aarav.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-08-04 |
| Expires | 2027-08-31 (316d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 01:12:43 | 1422ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-06 20:42:20 | 6091ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 15:28:58 | 1885ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-22 09:49:24 | 2285ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-09 19:56:49 | 2114ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 09:25:23 | 2106ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 18:55:34 | 1161ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 21:06:20 | 968ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 15:12:35 | 1252ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:34:36 | 9758ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:32:07 | 1097ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:27:33 shown | 945ms | 2 NS 1 A 1 MX | 🔓 Insecure |