| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.brandshelter.com | 2a04:2b00:14cc::15 | ns15.i.centralnic-dns.com | AS1921 ipcom GmbH |
| ns02.brandshelter.net | 2a04:2b00:14dd::16 | ns16.j.centralnic-dns.com | AS207021 ipcom GmbH |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (tuis.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.tuis.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;pct=100;rua=mailto:dmarcreports@charityworkersholidays.co.uk,mailto:2256e681@inbox.ondmarc.com;ruf=mailto:2256e681@inbox.ondmarc.com |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:domain@tui.com |
| 0 | issue | digicert.com |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2021031605 |
| Primary NS (MNAME) | ns01.brandshelter.com |
| Responsible (RNAME) | tech@brandshelter.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-03 14:47:52 | 9344ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-08-28 04:41:48 | 951ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-08-26 04:22:22 | 594ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-07-31 01:15:36 | 16664ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-06-19 22:42:38 | 830ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 12:02:26 | 495ms | 2 NS 0 A 0 MX | 🔓 Insecure | View |