libresse.dk is a .dk domain served by 2 nameservers (melkor.ngninfra.net, tilion.ngninfra.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.142.123.60 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by libresse-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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| melkor.ngninfra.net | 193.221.78.210 | melkor.ngninfra.net | AS25717 Essity Hygiene and Health |
| tilion.ngninfra.net | 193.221.57.210 | tilion.ngninfra.net | AS25717 Essity Hygiene and Health |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.142.123.60 | 900s | — | AS8075 | Microsoft Corporation | 52.136.0.0/13 | 🇮🇪 Ireland | Dublin |
| TXT Record |
|---|
| _hohoxp17f8pw0q1irju5gvvdry7cczp |
| _io1avosldsuz5t9sb7ugwo8zmtjhjq3 |
| _o40lu5b0i7e0nbks1whut4sab1yavea |
| 5wqr4qfr4h654sn472d74077qvrdnl2j |
| 62571e66358f4e1e8408f8f3a854ac2c |
| 8gcfyz2q4c6lpb9k9q9fg1ntpkhr8vlm |
| 9nrkcft1tnxf91rhx0p1yk48jnzj6g1w |
| Demonstration of domain control for account 016967 Please send email to applicationtech@sca.com |
| facebook-domain-verification=nst8kmjsqkrhyzt1ef5b916qtcx788 |
| google-site-verification=1FWl_eLx0VizXyfiOnlRujT40V-IjSXEt71m-ds_hhU |
| ms=ms55067032 |
| S0C0A63180 |
| v=spf1 ip4:217.114.80.100 ip4:198.37.153.0 ip4:167.89.25.108 include:spf.protection.outlook.com include:sendgrid.net include:mail.zendesk.com -all |
| z9smbxhkdt5lddjd31wzjx9ymd8d4x53 |
| Policy | Record (libresse.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:217.114.80.100 ip4:198.37.153.0 ip4:167.89.25.108 include:spf.protection.outlook.com include:sendgrid.net include:mail.zendesk.com -all |
| Policy | Record (_dmarc.libresse.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; adkim=r; aspf=r |
| www | 52.142.123.60 (AS8075) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u3887103.wl104.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u3887103.wl104.sendgrid.net | RSA · ~1024 bit below 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: 4/10 · 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 | 2026091000 |
| Primary NS (MNAME) | tilion.ngninfra.net |
| Responsible (RNAME) | hostmaster@ngninfra.net |
| Refresh | 86400s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 19:05:34 | 2596ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-20 17:06:41 shown | 3487ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-16 05:20:17 | 2920ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 03:43:34 | 3620ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-01 14:59:37 | 9858ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 17:33:34 | 4761ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 18:23:12 | 1238ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 04:14:57 | 1458ms | 2 NS 1 A 1 MX | 🔓 Insecure |