sylfiden.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 September 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.209.106.227 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 80.209.106.227 | 43200s | 80.209.106.227.static.fibianet.dk | AS44869 | FIBIA P/S | 80.209.0.0/17 | 🇩🇰 Denmark | Tølløse |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026030301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2003-09-02 |
| Expires | 2028-09-30 (705d) |
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).
| Domain | Registrar |
|---|---|
| scale-soft.dk | ONE.COM A/S |
| telerik.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 17:54:15 | 357ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 18:39:46 | 363ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 11:54:08 | 969ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 11:33:33 | 688ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 00:26:25 | 630ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 00:15:08 | 610ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 14:31:30 | 1019ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-14 15:39:39 shown | 4911ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 15:50:01 | 598ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 14:12:26 | 1147ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 21:52:12 | 1034ms | 2 NS 1 A 4 MX | 🔒 Secure |