novaheat.dk is a .dk domain served by 2 nameservers (andronicus.ns.cloudflare.com, izabella.ns.cloudflare.com). It was registered on 15 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.72.237 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by web1.hosting1976.fr. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.72.237 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.187.212 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | web1.hosting1976.fr | 51.91.6.190 | web1.hosting1976.fr | AS16276 OVH SAS |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:bbd4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:48ed | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.72.237,172.67.187.212 ech=AEX+DQBBWwAgACAGOAZRsmtsOYdqQrSjhzeiBzy39oe9dGw4OXxjOSzJEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bbd4,2606:4700:3035::6815:48ed |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:54.37.208.212 +ip4:54.37.208.213 +ip4:51.254.228.76 +ip4:5.196.91.193 +ip4:54.37.127.97 +include:_spf.google.com +ip4:5.196.51.63 +ip4:54.37.127.96/30 +ip4:178.32.80.145 -all |
| Policy | Record (novaheat.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx +ip4:54.37.208.212 +ip4:54.37.208.213 +ip4:51.254.228.76 +ip4:5.196.91.193 +ip4:54.37.127.97 +include:_spf.google.com +ip4:5.196.51.63 +ip4:54.37.127.96/30 +ip4:178.32.80.145 -all |
| Policy | Record (_dmarc.novaheat.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:morten+dmarc@novasolar.dk; ruf=mailto:morten+dmarcfail@novasolar.dk; fo=0:1:d:s; ri=604800 |
| www | 104.21.72.237 172.67.187.212 2606:4700:3030::ac43:bbd4 2606:4700:3035::6815:48ed (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network novaheat.dk: 104.21.72.237 172.67.187.212 2606:4700:3030::ac43:bbd4 2606:4700:3035::6815:48ed (AS13335) www.novaheat.dk: 104.21.72.237 172.67.187.212 2606:4700:3030::ac43:bbd4 2606:4700:3035::6815:48ed (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 |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.novaheat.dk | ZL_bH3tDyB_-h6jTV5sOB-YqCNq9is5YlFprFRJxcIY |
| TXT | _acme-challenge.novaheat.dk | d9DAPLJrER9byjbFHr-5wkOBymI11uL51Bwa5ynsXoQ |
| TXT | _acme-challenge.novaheat.dk | i-mmNX8fJYHgQBb0DhIl5SvOqcSOy4Xgx1jXOhNYnps |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415288215 |
| Primary NS (MNAME) | andronicus.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 | 2020-01-15 |
| Expires | 2027-01-31 (104d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 04:28:56 | 3215ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-05 12:44:10 | 2354ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-04 12:17:13 | 2154ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-03 12:10:00 | 914ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-02 12:09:30 | 721ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-02 09:37:29 | 1129ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 09:21:24 | 983ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 08:23:43 | 1898ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-22 14:09:56 | 1713ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-20 05:57:56 shown | 2834ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-11 05:16:55 | 2502ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-29 02:34:44 | 1136ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 16:43:14 | 946ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 15:34:17 | 953ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-05 02:43:02 | 1256ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-11 10:18:19 | 1105ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 11:49:29 | 1108ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 10:05:07 | 959ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 07:47:12 | 2983ms | 2 NS 2 A 1 MX | 🔓 Insecure |