y4h.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.48.37.145 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by y4h-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 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 |
|---|---|---|---|---|---|---|---|
| 86.48.37.145 | 14400s | server3555.serverpark.dk | AS47292 | Sentia Denmark A/S | 86.48.32.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | 86.48.37.145 |
| TXT Record |
|---|
| MS=ms91804784 |
| MS=ms99474661 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (y4h.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.y4h.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| www | 86.48.37.145 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-y4h-dk._domainkey.kirkbi.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 | 2022030108 |
| Primary NS (MNAME) | dns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 14400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 03:47:46 shown | 874ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 13:00:59 | 9806ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 17:27:29 | 896ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 03:36:53 | 3199ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 17:23:20 | 3032ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:41:29 | 1546ms | 2 NS 1 A 1 MX | 🔓 Insecure |