syntropic.dk is a .dk domain served by 2 nameservers (nico.ns.cloudflare.com, norah.ns.cloudflare.com). It was registered on 10 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.simply.com | 94.231.103.108 94.231.106.20 |
mx.simply.com mx.simply.com |
AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (syntropic.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.syntropic.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:contact@syntropic.dk; fo=1 |
| www CNAME | soerensenkarl.github.io (all on github.io) |
| www vs bare domain | Same network syntropic.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.syntropic.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| 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 | 2417653062 |
| Primary NS (MNAME) | nico.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 | 2025-12-10 |
| Expires | 2026-12-09 (52d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 04:25:57 shown | 490ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-10-09 14:53:32 | 874ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-09-20 18:57:52 | 964ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-09-13 16:46:43 | 1472ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-09-07 07:38:00 | 541ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-08-19 09:28:09 | 1153ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-07-22 16:27:07 | 1802ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-07-21 09:04:09 | 1047ms | 2 NS 4 A 0 MX | ❓ Unknown |
| 2026-06-25 12:39:45 | 689ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 22:25:02 | 12841ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 22:01:22 | 9631ms | 2 NS 0 A 0 MX | ❓ Unknown |