harthimmer.dk is a .dk domain served by 2 nameservers (angelina.ns.cloudflare.com, apollo.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.28.164 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.28.164 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.170.240 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:1ca4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:aaf0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.28.164,172.67.170.240 ech=AEX+DQBBrgAgACC/HnG83DHZy2/1FYnOVy42M2q6JngpBaGt5HuFyGm3eAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1ca4,2606:4700:3034::ac43:aaf0 |
| TXT Record |
|---|
| google-site-verification=9At_KpE-F4zbip_uURpMxpv1KBT009dEib-MhjSaH0Q |
| v=spf1 a mx include:spf.simply.com |
| Policy | Record (harthimmer.dk) |
|---|---|
| no all — incomplete SPF | v=spf1 a mx include:spf.simply.com |
| www | 104.21.28.164 172.67.170.240 2606:4700:3033::6815:1ca4 2606:4700:3034::ac43:aaf0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network harthimmer.dk: 104.21.28.164 172.67.170.240 2606:4700:3033::6815:1ca4 2606:4700:3034::ac43:aaf0 (AS13335) www.harthimmer.dk: 104.21.28.164 172.67.170.240 2606:4700:3033::6815:1ca4 2606:4700:3034::ac43:aaf0 (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: 3/10 · policy: none
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2416363530 |
| Primary NS (MNAME) | angelina.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 23:24:46 shown | 580ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-24 21:19:50 | 711ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-23 19:52:01 | 755ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-23 12:05:43 | 683ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-22 01:53:30 | 1192ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-20 12:45:51 | 697ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-13 15:38:58 | 3151ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-08 11:04:03 | 1279ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-17 11:09:12 | 684ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:06:35 | 1058ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:58:03 | 2687ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:54:20 | 4502ms | 3 NS 1 A 1 MX | 🔒 Secure |