big-bio.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 January 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. On 4 October 2026 we saw it transfer from ONE.COM A/S to Simply.com A/S. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. The zone is DNSSEC-signed and validates, has no 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 | 600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.47.247.18 |
| 🔶 Autoconfig | 195.47.247.18 |
| www | 94.231.103.100 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090407 |
| 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 | Simply.com A/S |
| Registered | 2015-01-09 |
| Expires | 2030-01-31 (1198d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 07:55:15 | 625ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-25 05:54:30 | 457ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-12 21:51:51 | 589ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 20:47:54 shown | 468ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 14:02:03 | 2379ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 16:18:33 | 532ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 18:51:13 | 786ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 09:04:41 | 626ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 23:51:36 | 619ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 14:29:55 | 441ms | 2 NS 1 A 0 MX | 🔒 Secure |