coolenergi.dk is a .dk domain served by 2 nameservers (arnold.ns.cloudflare.com, sharon.ns.cloudflare.com). It was registered on 2 April 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.78.248 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by taylor.mxrouting.net, taylor-relay.mxrouting.net. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.78.248 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.138.226 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | taylor.mxrouting.net | 168.119.13.219 | taylor.mxrouting.net | AS24940 Hetzner Online GmbH |
| 20 | 300s | taylor-relay.mxrouting.net | 168.119.13.219 | taylor.mxrouting.net | AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a06:98c1:3120::1 | 300s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120::/46 | — | — |
| 2a06:98c1:3121::1 | 300s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120::/46 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBaAAgACDVSTPpM3hpHyr4UskBCfwrwlZvgJgid+ggFVWwOKsmZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 |
| TXT Record |
|---|
| v=spf1 a mx include:mxroute.com ip6:2a01:4f8:242:4460:0:0:0:2 ~all |
| Policy | Record (coolenergi.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:mxroute.com ip6:2a01:4f8:242:4460:0:0:0:2 ~all |
| Policy | Record (_dmarc.coolenergi.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 104.21.78.248 172.67.138.226 2606:4700:3035::6815:4ef8 2606:4700:3036::ac43:8ae2 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network coolenergi.dk: 104.21.78.248 172.67.138.226 2606:4700:3035::6815:4ef8 2606:4700:3036::ac43:8ae2 (AS13335) www.coolenergi.dk: 104.21.78.248 172.67.138.226 2606:4700:3035::6815:4ef8 2606:4700:3036::ac43:8ae2 (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 6/10 · 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 | 2411792743 |
| Primary NS (MNAME) | arnold.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 | 2022-04-02 |
| Expires | 2027-04-01 (160d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 21:51:56 | 957ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-10-01 20:13:22 | 1047ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-29 19:53:35 | 1003ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-23 01:50:41 | 9721ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-03 18:29:22 shown | 2030ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-26 20:16:03 | 9947ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-10 23:52:59 | 1415ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-21 03:44:00 | 2203ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-01 23:49:28 | 1316ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 22:15:05 | 2774ms | 2 NS 2 A 2 MX | 🔓 Insecure |