tcs.dk is a .dk domain served by 3 nameservers (dns1.oderland.com, dns2.oderland.com, dns3.oderland.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.201.60.163 is hosted by ODERLAND Webbhotell AB (AS44136) in Sweden. Mail is handled by mx1.oderland.com, mx2.oderland.com and 2 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.201.60.163 | 7200s | premium25.oderland.com | AS44136 | ODERLAND Webbhotell AB | 91.201.60.0/22 | 🇸🇪 Sweden | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:28f0:304e:49:: | 7200s | premium25.oderland.com | AS44136 | ODERLAND Webbhotell AB | 2a02:28f0:0:0:0:0:0:0/29 | 🇸🇪 Sweden | — |
| TXT Record |
|---|
| v=spf1 ip4:91.201.60.163 +a +mx +include:_vsp.oderland.com ~all |
| Policy | Record (tcs.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:91.201.60.163 +a +mx +include:_vsp.oderland.com ~all |
| Policy | Record (_dmarc.tcs.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | tcs.dk (all on tcs.dk) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 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: 3/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.tcs.dk | s2ADlMavl-0J141Bd9NQPN-P8pIkmPBI6KzPqeAh-_A |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026082301 |
| Primary NS (MNAME) | dns1.oderland.com |
| Responsible (RNAME) | registry@oderland.se |
| Refresh | 3600s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 19:34:44 | 644ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-24 14:07:50 shown | 10185ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-27 21:33:55 | 1388ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-18 08:40:00 | 730ms | 3 NS 1 A 4 MX | 🔓 Insecure |