carstenj.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 July 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). 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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 3600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| TXT Record |
|---|
| protonmail-verification=271b10be720a5d947713cd4ea23efc2c6236e97a |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (carstenj.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.carstenj.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · 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 | 2026101301 |
| 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 | 2006-07-07 |
| Expires | 2027-07-31 (279d) |
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 |
|---|---|
| svoemmenoerden.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 01:44:45 | 1377ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-14 19:50:39 | 1309ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-13 18:22:28 shown | 1576ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-28 04:06:07 | 735ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-21 12:21:43 | 6162ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-06 19:40:55 | 1382ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-28 04:27:26 | 2785ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 23:43:15 | 2404ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 20:37:36 | 42337ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 19:47:11 | 2393ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 19:30:19 | 873ms | 2 NS 1 A 4 MX | 🔒 Secure |