3650.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.100 | 600s | dnsforward.simply.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 include:_spf.google.com include:spf.simply.com -all |
| Policy | Record (3650.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.google.com include:spf.simply.com -all |
| Policy | Record (_dmarc.3650.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:info@3650.dk |
| www | 94.231.103.100 (AS48854) (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 |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~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.
DNS lookups: 2/10 · 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 | 2026021101 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 15:53:19 | 1393ms | 3 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-03 01:35:40 | 512ms | 3 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-01 01:26:08 | 692ms | 3 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-28 00:12:06 | 757ms | 3 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-26 02:31:35 shown | 750ms | 3 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-26 10:43:42 | 1911ms | 3 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-25 05:08:56 | 919ms | 3 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-16 13:13:00 | 744ms | 3 NS 1 A 5 MX | 🔒 Secure |