holbaekcykler.dk is a .dk domain served by 2 nameservers (alina.ns.cloudflare.com, hassan.ns.cloudflare.com). It was registered on 14 June 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.58 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and 1 more. The zone is not DNSSEC-signed, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.37.58 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.204.254 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 300s | mx1-hosting.jellyfish.systems | 162.255.118.28 | oxse3a.privateemail.com | AS22612 Namecheap, Inc. |
| 10 | 300s | mx2-hosting.jellyfish.systems | 162.255.118.29 | oxse2b.privateemail.com | AS22612 Namecheap, Inc. |
| 20 | 300s | mx3-hosting.jellyfish.systems | 162.255.118.13 | mx3-hosting.jellyfish.systems | AS22612 Namecheap, Inc. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:ccfe | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:253a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.37.58,172.67.204.254 ech=AEX+DQBBrgAgACCbYZLF5tZq6y0AYwDst7V0zRYJiyOie+26Te4ltI1yGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:ccfe,2606:4700:3033::6815:253a |
| TXT Record |
|---|
| trustpilot-one-time-verification-id=f821078c-820-4ee6-a7d4-d6797a161396 |
| v=spf1 include:rp.oracleemaildelivery.com include:ap.rp.oracleemaildelivery.com include:eu.rp.oracleemaildelivery.com ~all |
| Policy | Record (holbaekcykler.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:rp.oracleemaildelivery.com include:ap.rp.oracleemaildelivery.com include:eu.rp.oracleemaildelivery.com ~all |
| www | 104.21.37.58 172.67.204.254 2606:4700:3031::ac43:ccfe 2606:4700:3033::6815:253a (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network holbaekcykler.dk: 104.21.37.58 172.67.204.254 2606:4700:3031::ac43:ccfe 2606:4700:3033::6815:253a (AS13335) www.holbaekcykler.dk: 104.21.37.58 172.67.204.254 2606:4700:3031::ac43:ccfe 2606:4700:3033::6815:253a (AS13335) |
| Wildcard | No |
DNS lookups: 4/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415353203 |
| Primary NS (MNAME) | alina.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-06-14 |
| Expires | 2027-06-30 (253d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 23:45:11 | 3200ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-03 08:21:39 shown | 905ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-20 09:28:37 | 2121ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-08 18:55:52 | 4319ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-12 13:33:52 | 1662ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-23 16:48:37 | 1967ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-18 15:07:24 | 1032ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 13:11:42 | 274ms | 0 NS 0 A 0 MX | ❓ Unknown |