kayserrens.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 1 September 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.147 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by cz63gozny.mx.service.one. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.147 | 3600s | linux134.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 94.231.103.147 |
| 🔶 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.one.com include:spf.simply.com ~all |
| Policy | Record (kayserrens.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.one.com include:spf.simply.com ~all |
| www | 94.231.103.147 (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: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026100300 |
| 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 | 2011-09-01 |
| Expires | 2027-09-30 (347d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 22:02:15 shown | 677ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 23:51:08 | 554ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 03:59:05 | 540ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 11:36:14 | 2051ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 00:14:16 | 1002ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:55:05 | 2052ms | 3 NS 1 A 1 MX | ⚠️ Bogus |