ltstudio.dk is a .dk domain served by 2 nameservers (dell.ns.cloudflare.com, karl.ns.cloudflare.com). It was registered on 17 June 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.188 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.ltstudio.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.54.188 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.141.28 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.ltstudio.dk | 192.250.229.80 | s3145.fra1.stableserver.net | AS209341 WHG Hosting Services Ltd |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.141.28 |
| 🔶 Autoconfig | 104.21.54.188 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:36bc | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::ac43:8d1c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.54.188,172.67.141.28 ech=AEX+DQBBqgAgACBkMwbhV5ng2w68ehFXyp082k8K4Fsmv7n5YgO+3YWdAgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:36bc,2606:4700:3032::ac43:8d1c |
| TXT Record |
|---|
| v=spf1 include:relay.mailchannels.net include:spf.antispamcloud.com -all |
| Policy | Record (ltstudio.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:relay.mailchannels.net include:spf.antispamcloud.com -all |
| Policy | Record (_dmarc.ltstudio.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:8a3bbf8edcdd470db945ecec7e1cb5d2@dmarc-reports.cloudflare.net; |
| www | 104.21.54.188 172.67.141.28 2606:4700:3030::6815:36bc 2606:4700:3032::ac43:8d1c (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network ltstudio.dk: 104.21.54.188 172.67.141.28 2606:4700:3030::6815:36bc 2606:4700:3032::ac43:8d1c (AS13335) www.ltstudio.dk: 104.21.54.188 172.67.141.28 2606:4700:3030::6815:36bc 2606:4700:3032::ac43:8d1c (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
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| 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 | 2414973830 |
| Primary NS (MNAME) | dell.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2023-06-17 |
| Expires | 2027-06-16 (241d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:09:05 shown | 539ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-07 22:39:07 | 521ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 06:13:25 | 9528ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-20 14:15:11 | 1369ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-13 12:30:43 | 1541ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-29 23:57:21 | 1478ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-17 09:13:26 | 1146ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-03 11:49:24 | 978ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:20:58 | 4988ms | 2 NS 2 A 1 MX | 🔓 Insecure |