lund-online.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 30 January 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.2 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by lund-online.dk. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 195.242.131.2 | 14400s | web.e-studio.dk | AS62121 | Christian Ebsen ApS | 195.242.130.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | lund-online.dk | 195.242.131.2 | web.e-studio.dk | AS62121 Christian Ebsen ApS |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.242.131.2 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| Policy | Record (_dmarc.lund-online.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarcreports@friis-online.dk; |
| www CNAME | lund-online.dk (all on lund-online.dk) → 195.242.131.2 (AS62121) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~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.
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.lund-online.dk | 8KPKCa_FpGbvBKN5gH_pZONipccoQwJEyamf8mwGImU |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: failure |
| Field | Value |
|---|---|
| Serial | 2026060901 |
| Primary NS (MNAME) | ns1.e-studio.dk |
| Responsible (RNAME) | hostmaster@mailrelay.e-studio.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2002-01-30 |
| Expires | 2027-06-30 (249d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 15:36:21 | 938ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 11:35:05 | 383ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 06:52:10 | 488ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 10:32:26 | 498ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 15:52:04 | 811ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 21:25:24 | 728ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 14:09:10 | 4743ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 02:55:30 | 576ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 21:07:57 | 1265ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 11:05:08 shown | 1968ms | 3 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-23 17:10:25 | 869ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:29:04 | 768ms | 3 NS 1 A 1 MX | 🔒 Secure |