polycode.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 10 June 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.96.183.41 is hosted by BornFiber Service Provider ApS (AS24800) in Denmark. Mail is handled by mail.polycode.dk, mx444501.smtp-engine.com. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.96.183.41 | 43200s | polycode.dk | AS24800 | BornFiber Service Provider ApS | 185.96.180.0/22 | 🇩🇰 Denmark | Kongens Lyngby |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.polycode.dk | 185.96.183.41 | polycode.dk | AS24800 BornFiber Service Provider ApS |
| 30 | 43200s | mx444501.smtp-engine.com | 209.143.135.180 | mx444501.smtp-engine.com | AS14127 Iland Internet Solutions Corporation |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (polycode.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.polycode.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; |
| www | 185.96.183.41 (AS24800) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-06-10 |
| Expires | 2027-06-30 (256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 01:46:17 shown | 1482ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 12:16:43 | 728ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 12:11:02 | 963ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 08:49:57 | 1074ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 22:26:42 | 1330ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-13 23:52:07 | 1439ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-27 06:58:49 | 926ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 11:17:01 | 946ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 15:45:27 | 1169ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 22:24:37 | 2559ms | 4 NS 1 A 2 MX | 🔒 Secure |