platform-a.dk is a .dk domain served by 7 nameservers (1ns.yahoo.com, 2ns.yahoo.com, ns1.yahoo.com and 4 more). It was registered on 22 September 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.248.158.7 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by .. 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 |
|---|---|---|---|---|---|---|---|
| 13.248.158.7 | 1800s | a7de0457831fd11f7.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 13.248.0.0/14 | 🇺🇸 United States | — |
| 76.223.84.192 | 1800s | a7de0457831fd11f7.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 76.223.0.0/17 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 1800s | . Null MX — domain accepts no email (RFC 7505) | |||
| Policy | Record (_dmarc.platform-a.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:dmarc-yahoo-rua@yahoo-inc.com; |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:security@yahooinc.com |
| 0 | issue | ; |
| www CNAME | platform-a.dk (all on platform-a.dk) |
| www vs bare domain | Same network platform-a.dk: 13.248.158.7 76.223.84.192 (AS16509) www.platform-a.dk: 13.248.158.7 76.223.84.192 (AS16509) |
| Wildcard | No |
| 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 | 2024031302 |
| Primary NS (MNAME) | hidden-master.yahoo.com |
| Responsible (RNAME) | hostmaster@yahoo-inc.com |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | MarkMonitor Inc. |
| Registered | 2007-09-22 |
| Expires | 2027-09-30 (348d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 12:13:56 | 4716ms | 7 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 23:59:32 | 2228ms | 7 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 19:46:40 | 8952ms | 7 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 06:23:26 | 5860ms | 7 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-05 00:12:51 shown | 4534ms | 7 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:45:18 | 5917ms | 7 NS 2 A 0 MX | ⚠️ Bogus |