substans-konsulenthus.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 5 March 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.25 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by substanskonsulenthus-dk02b.mail.protection.outlook.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.42.25 | 600s | prolinux101.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | 185.21.42.25 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:sendgrid.net include:spf.protection.outlook.com include:servers.mcsv.net include:simply.com include:spf.curanet.dk ~all |
| Policy | Record (substans-konsulenthus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:sendgrid.net include:spf.protection.outlook.com include:servers.mcsv.net include:simply.com include:spf.curanet.dk ~all |
| Policy | Record (_dmarc.substans-konsulenthus.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; rua=mailto:re+zguo2jkjype@dmarc.postmarkapp.com; sp=none; aspf=r; |
| www | 185.21.42.25 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network substans-konsulenthus.dk: 185.21.42.25 (AS48854) www.substans-konsulenthus.dk: 185.21.42.25 (AS48854) |
| 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 |
|---|---|---|
| k1 | dkim.mcsv.net | 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: 13/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026093000 |
| 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 | 2018-03-05 |
| Expires | 2027-03-31 (165d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 02:24:04 shown | 1350ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 02:07:00 | 741ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 06:10:27 | 1350ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 19:22:17 | 1984ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 18:09:14 | 779ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 12:05:55 | 3104ms | 4 NS 1 A 1 MX | 🔒 Secure |