123fiber.dk is a .dk domain served by 2 nameservers (dom.ns.cloudflare.com, isabel.ns.cloudflare.com). It was registered on 1 March 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dom.ns.cloudflare.com | — | — | — |
| isabel.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.18.26.189 | — | — | AS13335 | — | — | — | — |
| 104.18.27.189 | — | — | AS13335 | — | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700::6812:1abd | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/43 | 🇺🇸 United States | — |
| 2606:4700::6812:1bbd | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/43 | 🇺🇸 United States | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2" ipv4hint=104.18.26.189,104.18.27.189 ipv6hint=2606:4700::6812:1abd,2606:4700::6812:1bbd |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (123fiber.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.123fiber.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 104.18.26.189 104.18.27.189 2606:4700::6812:1abd 2606:4700::6812:1bbd (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network 123fiber.dk: 104.18.26.189 104.18.27.189 2606:4700::6812:1abd 2606:4700::6812:1bbd (AS13335) www.123fiber.dk: 104.18.26.189 104.18.27.189 2606:4700::6812:1abd 2606:4700::6812:1bbd (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2406964692 |
| Primary NS (MNAME) | dom.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2006-03-01 |
| Expires | 2027-03-31 (165d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 18:46:25 | 659ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-09 10:28:32 | 780ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-06 07:22:07 | 2439ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 06:28:12 | 482ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-19 08:26:25 | 716ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-22 07:34:55 | 3317ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-21 07:22:10 | 5038ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-20 04:48:09 | 1336ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-19 03:05:58 | 5505ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-18 00:07:16 | 2860ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-11 03:36:13 | 5084ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-25 19:14:05 | 9608ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-03 10:02:20 | 8706ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 21:06:50 | 3981ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 09:34:42 | 1221ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-18 17:57:25 | 3307ms | 2 NS 2 A 0 MX | ⚠️ Bogus |
| 2026-06-16 13:29:47 shown | 5548ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 13:13:03 | 552ms | 2 NS 2 A 0 MX | 🔓 Insecure |