dsmu.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 7 September 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.130.190.71 is hosted by Procopa IT ApS (AS210939) in Denmark. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 185.130.190.71 | 3600s | web05.simpledigital.dk | AS210939 | Procopa IT ApS | 185.130.190.0/23 | 🇩🇰 Denmark | Søborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.simply.com | 94.231.103.108 94.231.106.20 |
mx.simply.com mx.simply.com |
AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.130.190.71 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a11:9700:ffff:e001::7 | 3600s | web05.simpledigital.dk | AS210939 | Procopa IT ApS | 2a11:9700:0:0:0:0:0:0/32 | 🇩🇰 Denmark | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com include:_spf.simpledigital.dk ~all |
| Policy | Record (dsmu.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.simply.com include:_spf.simpledigital.dk ~all |
| Policy | Record (_dmarc.dsmu.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@simpledigital.dk |
| www | 185.130.190.71 2a11:9700:ffff:e001::7 (AS210939) (address records, no CNAME) |
| www vs bare domain | Same network dsmu.dk: 185.130.190.71 2a11:9700:ffff:e001::7 (AS210939) www.dsmu.dk: 185.130.190.71 2a11:9700:ffff:e001::7 (AS210939) |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~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: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| 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 | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101500 |
| 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 | 1999-09-07 |
| Expires | 2027-09-30 (348d) |
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 |
|---|---|---|---|
| 2026-10-15 18:12:00 shown | 421ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 18:46:44 | 687ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 18:42:11 | 446ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 16:26:08 | 401ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 13:19:48 | 503ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 12:09:10 | 545ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 23:32:30 | 662ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 04:50:14 | 456ms | 4 NS 1 A 1 MX | 🔒 Secure |