flarsen.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 6 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.93 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by flarsen-dk.mail.protection.outlook.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.dotserv.com | — | — | — |
| ns1.dotserv.net | — | — | — |
| ns2.dotserv.com | — | — | — |
| ns2.dotserv.net | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 178.20.217.93 | — | v0006.dotserv.com | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| MS=ms25631306 |
| v=spf1 include:spf.protection.outlook.com include:spf.antispamcloud.com include:_spf.dotserv.com -all |
| Policy | Record (flarsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.antispamcloud.com include:_spf.dotserv.com -all |
| Policy | Record (_dmarc.flarsen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; rua=mailto:abuse@flarsen.dk; ruf=mailto:abuse@flarsen.dk; fo=0; pct=100; ri=86400 |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | letsencrypt.org |
| www | 178.20.217.93 (AS21060) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-flarsen-dk._domainkey.finnlarsen.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: 5/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2021070508 |
| Primary NS (MNAME) | ns1.dotserv.com |
| Responsible (RNAME) | hostmaster@dotserv.com |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-03-06 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 07:57:50 | 1200ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-02 04:49:55 | 1089ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 05:08:03 | 1208ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 14:39:34 | 1870ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:45:51 shown | 2734ms | 4 NS 1 A 1 MX | 🔓 Insecure |