studious.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 199.36.158.100 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by .. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 199.36.158.100 | 3600s | — | AS54113 | Fastly, Inc. | 199.36.158.0/24 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| hosting-site=cocoders-dk |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100501 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2026-04-30 |
| Expires | 2027-04-29 (184d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 11:37:41 shown | 543ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 11:25:20 | 484ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 17:09:24 | 474ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 19:35:53 | 487ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 11:47:43 | 510ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 08:52:40 | 666ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-05 20:57:06 | 1137ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 09:56:26 | 1313ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 01:22:49 | 430ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 22:26:39 | 1171ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 03:54:05 | 586ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 15:42:19 | 618ms | 2 NS 1 A 0 MX | 🔒 Secure |