studieklog.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). Its website address 216.150.1.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mailserver.purelymail.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 216.150.1.1 | 3600s | — | AS16509 | Amazon.com, Inc. | 216.150.1.0/24 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 50 | 3600s | mailserver.purelymail.com | 18.204.123.63 | ec2-18-204-123-63.compute-1.amazonaws.com | AS14618 Amazon.com, Inc. |
| TXT Record |
|---|
| google-site-verification=34b6D0oKESzP_H2hgi5PwcvPfpv9on9MTlF9KcXRkrI |
| purelymail_ownership_proof=f32136b012154b1ad465937a182f1ba9b674ebf7cf3e0551482eb882cfe98d1ce86f3c7a589b9405510c4ee4fd71e4342a53ad52012dadc5c711662e51e85193 |
| v=spf1 include:_spf.purelymail.com ~all |
| Policy | Record (studieklog.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.purelymail.com ~all |
| Policy | Record (_dmarc.studieklog.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; ruf=mailto:dmarc@purelymail.com |
| www CNAME | 3d531506b41a8c32.vercel-dns-016.com (all on vercel-dns-016.com) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091801 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 15:15:23 shown | 837ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 11:38:12 | 1756ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 09:17:29 | 640ms | 2 NS 1 A 1 MX | 🔒 Secure |