jensjens.dk is a .dk domain served by 2 nameservers (dom.ns.cloudflare.com, nola.ns.cloudflare.com). It was registered on 19 May 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.42.52 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.42.52 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.157.8 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:9d08 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:2a34 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.42.52,172.67.157.8 ech=AEX+DQBB7QAgACDVIJ1+nNReGjcZJINIWWe6zpM7KnJbwIgwrOGjUhlYDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:9d08,2606:4700:3035::6815:2a34 |
| TXT Record |
|---|
| protonmail-verification=d4c89a23da7e7b0e20e67f2f77cbde588e8d5a83 |
| v=spf1 include:_spf.protonmail.ch ip4:157.90.0.14 include:spf.azehosting.net ip4:157.90.135.221 ip4:157.90.34.121 ip4:185.221.37.139 ip4:88.99.206.78 +a +mx +ip4:185.121.172.165 ~all |
| Policy | Record (jensjens.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ip4:157.90.0.14 include:spf.azehosting.net ip4:157.90.135.221 ip4:157.90.34.121 ip4:185.221.37.139 ip4:88.99.206.78 +a +mx +ip4:185.121.172.165 ~all |
| www | 104.21.42.52 172.67.157.8 2606:4700:3033::ac43:9d08 2606:4700:3035::6815:2a34 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network jensjens.dk: 104.21.42.52 172.67.157.8 2606:4700:3033::ac43:9d08 2606:4700:3035::6815:2a34 (AS13335) www.jensjens.dk: 104.21.42.52 172.67.157.8 2606:4700:3033::ac43:9d08 2606:4700:3035::6815:2a34 (AS13335) |
| Wildcard | No |
| 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.
DNS lookups: 6/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.jensjens.dk | UHIeojk-RVPwGcm1ouOtgWwcfqexWEPx4e24lW0jjGw |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| 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 | 2417340659 |
| Primary NS (MNAME) | dom.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 | 2003-05-19 |
| Expires | 2027-05-31 (224d) |
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).
| Domain | Registrar |
|---|---|
| badevandsudsigten.dk | Punktum dk A/S (direct) |
| risenlund.dk | Punktum dk A/S (direct) |
| strandudsigten.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 01:47:22 shown | 526ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-13 00:38:44 | 519ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 14:44:26 | 939ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-26 13:25:43 | 2825ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-23 06:07:37 | 1623ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-15 16:33:16 | 17368ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-27 04:27:22 | 1288ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-18 07:12:30 | 1230ms | 2 NS 2 A 2 MX | 🔓 Insecure |