undie500.dk is a .dk domain served by 2 nameservers (ns01.hostnet.nl, ns02.hostnet.nl). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.184.0.200 is hosted by One.com A/S (AS51468) in Denmark. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 91.184.0.200 | 600s | balancing.hostnet.nl | AS51468 | One.com A/S | 91.184.0.0/19 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.184.0.200 |
| 🔶 Autoconfig | 91.184.0.200 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2268:1:0:f816:3eff:fe7b:63c6 | 14400s | — | AS197902 | Hostnet B.V. | 2a02:2268:0:0:0:0:0:0/32 | 🇳🇱 The Netherlands | — |
| TXT Record |
|---|
| v=spf1 include:_spf.hostnet.nl -all |
| Policy | Record (undie500.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.hostnet.nl -all |
| Policy | Record (_dmarc.undie500.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www CNAME | undie500.dk (all on undie500.dk) |
| www vs bare domain | Same network undie500.dk: 91.184.0.200 2a02:2268:1:0:f816:3eff:fe7b:63c6 (AS51468 AS197902) www.undie500.dk: 91.184.0.200 2a02:2268:1:0:f816:3eff:fe7b:63c6 (AS51468 AS197902) |
| Wildcard | Yes: any name under the zone resolves |
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 | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026073001 |
| Primary NS (MNAME) | ns01.hostnet.nl |
| Responsible (RNAME) | hostmaster@hostnet.nl |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 23:15:46 shown | 470ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-02 16:43:55 | 535ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 20:39:44 | 608ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 05:00:23 | 649ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-31 14:00:25 | 654ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-28 12:11:54 | 8637ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-10 06:57:58 | 8604ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-27 02:02:40 | 510ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 19:27:38 | 2537ms | 2 NS 1 A 0 MX | 🔓 Insecure |