lærer.dk is a .dk domain served by 2 nameservers (cloe.ns.cloudflare.com, terin.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 62.66.144.161 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by mail.xn--lrer-voa.dk. 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 |
|---|---|---|---|---|---|---|---|
| 62.66.144.161 | 3600s | mail.skoleabc.dk | AS9158 | Telenor A/S | 62.66.0.0/16 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.xn--lrer-voa.dk | — | — | — |
| TXT Record |
|---|
| v=spf1 a mx include:_spf.google.com ~all |
| Policy | Record (lærer.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:_spf.google.com ~all |
| Policy | Record (_dmarc.lærer.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@lærer.dk |
| www | 62.66.144.161 (AS9158) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
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: 3/10 · 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 | 2415808985 |
| Primary NS (MNAME) | cloe.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 10:55:44 shown | 436ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 02:38:08 | 1192ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 23:49:30 | 597ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 23:38:25 | 851ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-11 02:17:23 | 2103ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-27 08:02:39 | 8720ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-20 21:43:23 | 1121ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-14 11:14:14 | 1318ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 15:13:46 | 704ms | 2 NS 1 A 1 MX | 🔒 Secure |