247-ost.dk is a .dk domain served by 2 nameservers (alfred.ns.cloudflare.com, isla.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.30 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by 247ost-dk0i.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.30 | 300s | vm1330.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms39401119 |
| v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 include:web.shared.mysmtp.com -all |
| Policy | Record (247-ost.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 include:web.shared.mysmtp.com -all |
| www | 185.21.40.30 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 5/10 · 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 | 2409801314 |
| Primary NS (MNAME) | alfred.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-18 02:00:57 | 2266ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-08 21:44:55 | 1530ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 05:50:56 | 945ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 12:31:06 | 2102ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-29 07:02:17 | 2666ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 08:36:36 | 784ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-26 08:01:25 | 730ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-25 07:36:03 | 8746ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-24 06:31:13 | 8689ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-17 21:20:14 shown | 1240ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-10 21:28:04 | 3531ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-09 15:22:34 | 1270ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-08 13:31:40 | 787ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-04 21:45:50 | 2701ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-03 15:42:39 | 362ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-30 20:13:39 | 1274ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 09:37:36 | 2887ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 01:06:55 | 2285ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 02:49:44 | 956ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 12:41:38 | 2710ms | 2 NS 1 A 1 MX | 🔓 Insecure |