mailcon.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.103.35.26 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mailcon.dk.mx2.comendosystems.net, mailcon.dk.mx1.comendosystems.com. 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 |
|---|---|---|---|---|---|---|---|
| 5.103.35.26 | 3600s | 5.103.35.26.static.fibianet.dk | AS44869 | FIBIA P/S | 5.103.0.0/16 | 🇩🇰 Denmark | Holbæk |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mailcon.dk.mx2.comendosystems.net | 192.162.219.155 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| 20 | 3600s | mailcon.dk.mx1.comendosystems.com | 192.162.219.255 2a01:77c0:1619:4102:a81b:80d0:e56c:edc0 |
mx41.electric.net gw2-1535.security.comendo.com |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 5.103.35.26 |
| TXT Record |
|---|
| H4rVlHzAljolAGg2FD-q0Jp6crF9gi1WT5KumquaVO8 |
| v=spf1 include:spf.mailanyone.net -all |
| Policy | Record (mailcon.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.mailanyone.net -all |
| www | 5.103.35.26 (AS44869) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.mailcon.dk | BwZ9G33zlW9W9ymYot968_HxE2F2qOd0XHlj11r9drk |
| TXT | _acme-challenge.mailcon.dk | vIt84xRKAmVWmtjSMvFHmG_MspKf7WZC0Rf3bvUgktk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091302 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 13:43:57 | 1063ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 00:55:55 | 1134ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 21:55:16 | 1206ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-14 05:05:52 shown | 1242ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-29 08:24:48 | 1017ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 17:45:16 | 1260ms | 2 NS 1 A 2 MX | 🔒 Secure |