showstopper.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.255.157.2 is hosted by ASOM-Net Forening (AS60111) in Denmark. Mail is handled by showstopper-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 185.255.157.2 | 3600s | — | AS60111 | ASOM-Net Forening | 185.255.156.0/22 | 🇩🇰 Denmark | Bredsten |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| TXT Record |
|---|
| MS=ms59153773 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (showstopper.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 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 | 2026092901 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 08:20:17 shown | 4436ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 19:17:06 | 2609ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 17:33:53 | 806ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 12:23:27 | 2598ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 15:33:59 | 1629ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-03 16:47:31 | 5034ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 13:03:28 | 1691ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 08:22:39 | 1092ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 02:11:57 | 2972ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 17:03:28 | 1181ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:21:29 | 2546ms | 2 NS 1 A 1 MX | 🔒 Secure |