falcron.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 9 April 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.63 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 |
|---|---|---|---|---|---|---|---|
| 185.20.205.63 | 3600s | linux387.unoeuro.com | AS48854 | team.blue Denmark A/S | 185.20.204.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 600s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.20.205.63 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| v=spf1 include:spf.onlinemail.io -all |
| Policy | Record (falcron.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.onlinemail.io -all |
| Policy | Record (_dmarc.falcron.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 185.20.205.63 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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: 3/10 · 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 | 2026100704 |
| 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 | Simply.com A/S |
| Registered | 2025-04-09 |
| Expires | 2027-04-08 (168d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 19:24:04 shown | 2642ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-03 17:01:39 | 617ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 16:01:31 | 687ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 11:34:06 | 957ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 10:36:47 | 478ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 00:14:20 | 674ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 04:57:38 | 595ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 01:41:55 | 572ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 09:31:08 | 2707ms | 3 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-23 14:12:32 | 1164ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 17:34:34 | 630ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:12:47 | 1292ms | 3 NS 1 A 1 MX | 🔒 Secure |