lassejensen.dk is a .dk domain served by 2 nameservers (christian.ns.cloudflare.com, savanna.ns.cloudflare.com). It was registered on 28 October 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 148.251.244.167 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.lassejensen.dk. 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 |
|---|---|---|---|---|---|---|---|
| 148.251.244.167 | 300s | cp06.nordicway.dk | AS24940 | Hetzner Online GmbH | 148.251.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | mail.lassejensen.dk | 148.251.244.167 | cp06.nordicway.dk | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:148.251.244.167 include:relay.mailchannels.net ~all |
| Policy | Record (lassejensen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:148.251.244.167 include:relay.mailchannels.net ~all |
| Policy | Record (_dmarc.lassejensen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:d5c4a967b5e84129900caa7dcd63ea1c@dmarc-reports.cloudflare.net |
| www CNAME | lassejensen.dk (all on lassejensen.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA Invalid key data — receivers can't verify signatures |
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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2415060308 |
| Primary NS (MNAME) | christian.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | nordicway ApS |
| Registered | 2008-10-28 |
| Expires | 2026-10-31 (9d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 12:15:21 | 412ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 23:17:02 | 1926ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 23:10:14 | 508ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 20:14:22 | 761ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 02:34:47 shown | 891ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 09:58:03 | 852ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 23:56:39 | 1507ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 03:28:40 | 1079ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 05:27:40 | 1056ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-31 23:24:23 | 919ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 13:03:42 | 1487ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 04:46:56 | 1233ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 15:26:46 | 3142ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 03:53:08 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 17:45:29 | 455ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 12:57:46 | 4194ms | 2 NS 1 A 1 MX | 🔒 Secure |