murerfirmaetdue.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 1 May 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, publishes a 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 94.231.103.162 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| google-site-verification=QKCk9S2pIglz-9O3Gsb6WKdkuoBoORfokAtK1iBpa6c |
| v=spf1 include:spf.simply.com -all |
| Policy | Record (murerfirmaetdue.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.murerfirmaetdue.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www CNAME | 27178383.sites.hscoscdn-eu1.net (all on hscoscdn-eu1.net) |
| www vs bare domain | Only www resolves murerfirmaetdue.dk: no address (all like this)www.murerfirmaetdue.dk: 141.101.90.96 141.101.90.97 141.101.90.98 141.101.90.99 (AS13335) |
| 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: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026100200 |
| 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 | 2023-05-01 |
| Expires | 2027-04-30 (194d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 02:59:13 shown | 1959ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 00:43:41 | 541ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-16 10:15:22 | 494ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-21 02:08:38 | 461ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 19:53:58 | 555ms | 3 NS 0 A 1 MX | 🔒 Secure |