jonascj.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 July 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 159.69.245.229 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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 |
|---|---|---|---|---|---|---|---|
| 159.69.245.229 | 600s | yapb.in | AS24940 | Hetzner Online GmbH | 159.69.0.0/16 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| protonmail-verification=6a8a3f1e2a0320625d9aa22e174bb780a61e04fa |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (jonascj.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.jonascj.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@jonascj.dk |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100901 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2016-07-21 |
| Expires | 2027-07-31 (278d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 00:50:16 | 762ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 17:55:37 shown | 1020ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 11:42:26 | 670ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 20:48:38 | 783ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-13 11:33:32 | 1171ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 10:47:24 | 1600ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-10 18:12:44 | 10256ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 13:39:09 | 2652ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 03:40:55 | 2634ms | 2 NS 1 A 2 MX | 🔒 Secure |