tempest.dk is a .dk domain served by 2 nameservers (clarissa.ns.cloudflare.com, khalid.ns.cloudflare.com). It was registered on 23 July 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.93.96 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route3.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.93.96 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.208.129 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:5d60 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:d081 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.93.96,172.67.208.129 ech=AEX+DQBBigAgACDUi3mzltrIzUynxCojaFogEYY6XLwoNEySd2rDkPBTBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5d60,2606:4700:3033::ac43:d081 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| ahrefs-site-verification_682102f182882075811acbdbba98e278722111abbda6899f90d5053784ae0f60 |
| google-site-verification=a4CkLFom0NbLH3SV5lYn5XRb04S3F8V6bPG0WlNdDhg |
| google-site-verification=BX5x7161clVVa6RLOtqJlrHtlVbFf6oglJvA-yA8w2A |
| google-site-verification=f-ckxlejryWFRlRwYSPo21w8lqE73ebrKJglvViiZ7s |
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (tempest.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (_dmarc.tempest.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 104.21.93.96 172.67.208.129 2606:4700:3031::6815:5d60 2606:4700:3033::ac43:d081 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| 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 | 2418179469 |
| Primary NS (MNAME) | clarissa.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2018-07-23 |
| Expires | 2027-07-31 (280d) |
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).
Showing 100 of 127.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 15:51:42 shown | 1976ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-10 21:19:36 | 1708ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-07 14:32:47 | 678ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-25 17:25:32 | 995ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-26 23:16:06 | 864ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-25 15:46:44 | 3613ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-18 21:36:00 | 5186ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-09 03:18:39 | 1980ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-24 02:39:02 | 2156ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-07 00:46:41 | 3798ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-25 13:44:15 | 5431ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 13:18:20 | 795ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 03:36:00 | 777ms | 4 NS 1 A 1 MX | 🔒 Secure |