connectfys.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 11 November 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.249.251.246 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx.simply.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 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 |
|---|---|---|---|---|---|---|---|
| 5.249.251.246 | 3600s | vps-1381.web.managedservice.one | AS51468 | One.com A/S | 5.249.224.0/19 | 🇩🇰 Denmark | Copenhagen |
| 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 |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 94.231.103.30 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| brevo-code:8f819a8c6fdda4b8659f0b568e085ea3 |
| Policy | Record (_dmarc.connectfys.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www | 5.249.251.246 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| 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… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026071301 |
| 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 | 2016-11-11 |
| Expires | 2026-11-30 (38d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 03:55:38 | 404ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 20:06:02 | 866ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 10:44:25 | 2527ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 09:32:18 | 413ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 00:50:52 | 639ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 15:50:17 | 635ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 01:50:52 | 1032ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 00:51:07 | 695ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 02:49:31 | 3696ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 17:29:43 | 988ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 23:41:06 | 1002ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-31 19:36:18 | 8678ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 14:12:07 | 4756ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 19:00:26 shown | 2257ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 07:58:15 | 614ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 10:53:38 | 2988ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 14:35:43 | 1157ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 06:34:47 | 977ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:05:20 | 658ms | 2 NS 1 A 1 MX | 🔒 Secure |