mathiaskopo.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 173.248.133.24 is hosted by Handy Networks, LLC (AS30475) in United States. Mail is handled by mail.mathiaskopo.dk. 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 |
|---|---|---|---|---|---|---|---|
| 173.248.133.24 | 3600s | — | AS30475 | Handy Networks, LLC | 173.248.128.0/18 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.mathiaskopo.dk | 94.231.103.107 94.231.103.207 94.231.103.208 |
mail.simply.com mail.simply.com director3.mail.unoeuro.com |
AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 173.248.133.24 |
| 🔶 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.simply.com ~all |
| Policy | Record (mathiaskopo.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.simply.com ~all |
| www | 93.191.156.217 (AS48854) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| 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: 1/10 · 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 | 2025042300 |
| 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 |
|---|---|---|---|
| 2026-10-09 12:43:15 | 1025ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 08:40:37 | 1033ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 07:45:13 | 918ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 19:21:14 | 827ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 15:04:08 | 795ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 02:25:11 shown | 2938ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 22:18:27 | 1137ms | 4 NS 1 A 1 MX | 🔒 Secure |