janslyn.dk is a .dk domain served by 2 nameservers (aiden.ns.cloudflare.com, dee.ns.cloudflare.com). It was registered on 4 October 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.1.126 | — | — | AS13335 | — | — | — | — |
| 172.67.129.57 | — | — | AS13335 | — | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | maildiscover.unoeuro.com → 94.231.108.222 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:17e | — | — | AS13335 | — | — | — | — |
| 2606:4700:3034::ac43:8139 | — | — | AS13335 | — | — | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.1.126,172.67.129.57 ech=AEX+DQBBHQAgACDvr0foaUL+kfe8cQ/jzRqJm9WG78Sy1RChao5wzEe6ewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:17e,2606:4700:3034::ac43:8139 |
| TXT Record |
|---|
| ahrefs-site-verification_a5639040e22c8173ad7b2061c6e9bbbae641c5e791e1d5ee83e570f9c8ffd4db |
| brevo-code:91b4b4f6c6848a8b07839954919bf5ea |
| google-site-verification=b8l67SfLRgCtZTLwpdnt154xtbRVPkUEPvaWwgNUecs |
| v=spf1 include:_spf.google.com include:spf.brevo.com mx ~all |
| Policy | Record (janslyn.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com include:spf.brevo.com mx ~all |
| Policy | Record (_dmarc.janslyn.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:3e6a27692a2547019b48637d0e64961f@dmarc-reports.cloudflare.net |
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www | 104.21.1.126 172.67.129.57 2606:4700:3030::ac43:8139 2606:4700:3034::6815:17e (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit | |
| — | RSA · ~1024 bit below 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: 3/10 · policy: ~all
No problems found| 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 | 2404873235 |
| Primary NS (MNAME) | aiden.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2005-10-04 |
| Expires | 2027-10-31 (377d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:50:50 | 645ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-30 07:27:15 | 1303ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-26 06:17:45 | 535ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 06:05:33 | 790ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-23 10:58:59 | 1030ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-21 09:06:47 | 1561ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-08-27 03:53:12 | 1056ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-07-24 12:40:43 | 1834ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-07-21 02:08:15 | 1742ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-07-02 13:33:00 | 1076ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-06-18 04:41:43 shown | 2057ms | 2 NS 2 A 5 MX | 🔓 Insecure |