johnsteffensen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.251 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.251 | 3600s | webcluster2.webpod18-cph3.g1i.one | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:108:80d9:6d06:b13c:19ea | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.215.251 2a02:2350:5:108:80d9:6d06:b13c:19ea (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network johnsteffensen.dk: 46.30.215.251 2a02:2350:5:108:80d9:6d06:b13c:19ea (AS51468) www.johnsteffensen.dk: 46.30.215.251 2a02:2350:5:108:80d9:6d06:b13c:19ea (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100401 |
| 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 | 2026-03-30 |
| Expires | 2027-03-29 (161d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 03:00:38 shown | 487ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 23:03:17 | 1675ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 22:06:11 | 542ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 19:06:44 | 474ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 04:37:20 | 649ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-02 02:31:49 | 894ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 22:42:22 | 571ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 00:16:40 | 20187ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 07:31:22 | 577ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:43:03 | 1093ms | 2 NS 1 A 0 MX | 🔒 Secure |