fernetb.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.52.34.147 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 |
|---|---|---|---|---|---|---|---|
| 86.52.34.147 | 43200s | 86-52-34-147.norlyscustomer.net | AS39642 | Sinal A/S | 86.52.0.0/16 | 🇩🇰 Denmark | Aalborg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | renebj.asuscomm.com → 85.218.173.135 |
| 🔶 Autoconfig | renebj.asuscomm.com → 85.218.173.135 |
| www CNAME | renebj.asuscomm.com (all on asuscomm.com) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.fernetb.dk | renebj.asuscomm.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026071201 |
| 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 | 2003-03-03 |
| Expires | 2027-03-31 (157d) |
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 |
|---|---|
| renebj.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 16:25:22 | 3395ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-12 09:51:04 | 1880ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-22 06:25:17 | 1269ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-11 15:54:58 | 1348ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-12 00:09:36 | 2070ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-18 10:07:59 | 2095ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-14 17:45:29 shown | 1566ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-01 06:50:50 | 1180ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-30 03:03:43 | 1219ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-26 16:17:02 | 1660ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-25 08:10:09 | 5894ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-24 10:07:26 | 1190ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 19:28:42 | 2303ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-17 09:18:34 | 2074ms | 2 NS 1 A 5 MX | 🔒 Secure |