lær.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 20 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.92.65.215 is hosted by Datacenter Luxembourg S.A. (AS24611) in Luxembourg. Mail is handled by .. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.92.65.215 | 3600s | 80-92-65-215.ip.dclux.com | AS24611 | Datacenter Luxembourg S.A. | 80.92.64.0/19 | 🇱🇺 Luxembourg | Luxembourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (lær.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.lær.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 80.92.65.215 (AS24611) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | ncache nxdomain overridden by dig AD |
| Field | Value |
|---|---|
| Serial | 2025031303 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2017-09-20 |
| Expires | 2027-09-30 (338d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 23:31:08 | 538ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-20 12:12:38 | 469ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-19 09:50:41 | 517ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 19:36:31 | 540ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 22:54:19 shown | 1589ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 22:52:54 | 674ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 22:47:09 | 702ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 22:50:26 | 639ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 20:17:42 | 726ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 22:00:10 | 2540ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 02:38:43 | 861ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 22:51:39 | 553ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 06:22:20 | 947ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-21 04:31:41 | 889ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 05:04:21 | 8660ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 10:50:32 | 753ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 06:57:14 | 1049ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 05:19:27 | 828ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 17:25:23 | 2732ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 12:51:57 | 673ms | 4 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-24 00:38:02 | 948ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 05:15:53 | 516ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 00:31:45 | 766ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 14:17:54 | 1475ms | 4 NS 1 A 0 MX | 🔒 Secure |