cortera.dk is a .dk domain served by 2 nameservers (ns1.infopeak.io, ns2.infopeak.io). It was registered on 17 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 38.242.151.44 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by mail.cortera.dk. 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 |
|---|---|---|---|
| ns1.infopeak.io | 38.242.151.44 | vmi2942683.contaboserver.net | AS51167 Contabo GmbH |
| ns2.infopeak.io | 38.242.151.44 | vmi2942683.contaboserver.net | AS51167 Contabo GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 38.242.151.44 | 14400s | vmi2942683.contaboserver.net | AS51167 | Contabo GmbH | 38.242.128.0/19 | 🇫🇷 France | Lauterbourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | mail.cortera.dk | 38.242.151.44 | vmi2942683.contaboserver.net | AS51167 Contabo GmbH |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imap._tcp | 1 | 0 | 143 | mail.cortera.dk |
| _imaps._tcp | 1 | 0 | 993 | mail.cortera.dk |
| TXT Record |
|---|
| v=spf1 a mx ip4:38.242.151.44 -all |
| Policy | Record (cortera.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:38.242.151.44 -all |
| Policy | Record (_dmarc.cortera.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100 |
| www CNAME | cortera.dk (all on cortera.dk) → 38.242.151.44 (AS51167) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · 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 | 2025120101 |
| Primary NS (MNAME) | ns1.infopeak.io |
| Responsible (RNAME) | root@cortera.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Realtime Register B.V. |
| Registered | 2025-07-17 |
| Expires | 2027-07-16 (269d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 12:50:29 | 1095ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-28 01:56:59 | 9630ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 04:25:45 | 1674ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 03:50:09 shown | 1839ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 06:29:27 | 1869ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 14:12:04 | 959ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 02:43:56 | 942ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 22:40:43 | 1598ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 22:30:40 | 1357ms | 2 NS 1 A 1 MX | 🔓 Insecure |