mastertrading.dk is a .dk domain served by 5 nameservers (ns1.lemarit.de, ns1.lemarit.net, ns2.lemarit.de and 2 more). It was registered on 11 March 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 128.140.102.52 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mxa-00895801.gslb.pphosted.com, mxb-00895801.gslb.pphosted.com. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 128.140.102.52 | 3600s | static.52.102.140.128.clients.your-server.de | AS24940 | Hetzner Online GmbH | 128.140.0.0/17 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mxa-00895801.gslb.pphosted.com | 143.55.150.221 | mx08-00895801.pphosted.com | AS52129 Proofpoint, Inc. |
| 20 | 3600s | mxb-00895801.gslb.pphosted.com | 66.159.235.91 | mx07-00895801.pphosted.com | AS52129 Proofpoint, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | autodiscover.outlook.com |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| google-site-verification=p65fIril4oLtsFSAP3zua_wHDGn_exhnlld26ZqbOB8 |
| MS=ms77056724 |
| v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf-00895801.pphosted.com include:mailgun.org ip4:94.135.234.34 ip4:88.79.109.4 include:spf.vhost.aco -all |
| Policy | Record (mastertrading.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf-00895801.pphosted.com include:mailgun.org ip4:94.135.234.34 ip4:88.79.109.4 include:spf.vhost.aco -all |
| Policy | Record (_dmarc.mastertrading.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@aco.com; adkim=s; aspf=s; |
| www | 81.88.17.128 (AS8648) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| k1 | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 10/10 · policy: -all
| 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 | 1766140252 |
| Primary NS (MNAME) | ns1.lemarit.de |
| Responsible (RNAME) | hostmaster@lemarit.com |
| Refresh | 43200s |
| Retry | 10800s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | LEMARIT GmbH |
| Registered | 2008-03-11 |
| Expires | 2027-03-31 (164d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 23:57:16 | 2069ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-14 19:53:53 | 19991ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-26 06:06:15 shown | 1606ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-23 09:56:45 | 954ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 07:36:47 | 1196ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 06:47:32 | 1826ms | 5 NS 1 A 2 MX | 🔓 Insecure |