friisdata.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 19 December 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.89.248.155 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by postal.friisconsult.com. The zone is not DNSSEC-signed, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| ns4.simply.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 83.89.248.155 | — | 0x5359f89b.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 83.89.0.0/16 | 🇩🇰 Denmark | Skovlunde |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | postal.friisconsult.com | 83.89.248.155 | 0x5359f89b.static.cust.fastspeed.dk | AS3292 TDC Holding A/S |
| TXT Record |
|---|
| v=spf1 include:spf.postal.friisconsult.com a mx ~all |
| Policy | Record (friisdata.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.postal.friisconsult.com a mx ~all |
| www | 83.89.248.155 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-friisdata-dk._domainkey.mobilitydreamteam.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-friisdata-dk._domainkey.mobilitydreamteam.onmicrosoft.com | 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: 3/10 · policy: ~all
No problems found| 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 | 2026051100 |
| 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 | 2002-12-19 |
| Expires | 2028-07-31 (649d) |
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).
| Domain | Registrar |
|---|---|
| friisconsult.dk | Simply.com A/S |
| naviblind.dk | Simply.com A/S |
| perfriis.dk | Simply.com A/S |
| visionimpossible.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 13:33:20 | 1231ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 00:29:56 | 1427ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 00:12:39 | 1030ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-16 09:11:40 | 5209ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 00:55:41 | 610ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:36:56 shown | 778ms | 4 NS 1 A 1 MX | 🔓 Insecure |