jens-andersen.dk is a .dk domain served by 2 nameservers (ingrid.ns.cloudflare.com, leland.ns.cloudflare.com). It was registered on 18 July 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.244 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.54.244 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.169.167 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 300s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 300s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:36f4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::ac43:a9a7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.54.244,172.67.169.167 ech=AEX+DQBBwwAgACCo8nDWFsBoK8csEoeR1Fb8BoKlG1x10pGje79E+Y5UegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:36f4,2606:4700:3032::ac43:a9a7 |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (jens-andersen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.jens-andersen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:kf1wo0aa@ag.eu.dmarcian.com; |
| www | 104.21.54.244 172.67.169.167 2606:4700:3030::6815:36f4 2606:4700:3032::ac43:a9a7 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network jens-andersen.dk: 104.21.54.244 172.67.169.167 2606:4700:3030::6815:36f4 2606:4700:3032::ac43:a9a7 (AS13335) www.jens-andersen.dk: 104.21.54.244 172.67.169.167 2606:4700:3030::6815:36f4 2606:4700:3032::ac43:a9a7 (AS13335) |
| 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 |
DNS lookups: 2/10 · 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 | 2410644577 |
| Primary NS (MNAME) | ingrid.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-07-18 |
| Expires | 2027-09-30 (342d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 21:18:25 | 496ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-10-02 19:49:18 | 779ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-29 19:31:42 | 2557ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-25 02:00:32 | 931ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-14 13:06:52 | 2809ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-07 11:07:33 | 1655ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-16 19:55:42 | 9716ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-07-27 15:41:56 shown | 1888ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-07-22 10:38:34 | 2936ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-07-02 19:00:06 | 1767ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-17 23:18:54 | 861ms | 2 NS 2 A 3 MX | 🔒 Secure |