| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.229.203.228 | 3600s | mail.ysec.dk | AS216275 | Netnoerden ApS | 91.229.203.0/24 | 🇩🇰 Denmark | Virum |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.ysec.dk | 91.229.203.228 | mail.ysec.dk | AS216275 Netnoerden ApS |
| TXT Record |
|---|
| google-site-verification=lnUgsJklGvndRy3QrNwaW8mXOwN-OzbIn97SM9jymoI |
| heyhack-verification=c8be8d6d-41e8-4cae-84f2-edd587d4a042 |
| v=spf1 mx a ip4:91.229.203.228/32 ptr:mail.ysec.dk. -all |
| Policy | Record (ysec.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a ip4:91.229.203.228/32 ptr:mail.ysec.dk. -all |
| Policy | Record (_dmarc.ysec.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:rua@koefoed.net |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| 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 | 2409855942 |
| Primary NS (MNAME) | ace.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 05:56:18 | 2676ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-18 18:30:57 | 9347ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-05 17:32:48 | 1502ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-01 12:17:01 | 989ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-26 17:23:08 | 2284ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-26 11:43:20 | 1019ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 13:38:07 | 5165ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |