phdcup.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | 600s | domain-parking.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| www CNAME | mc-pcz0d95byg.b-cdn.net (all on b-cdn.net) |
| 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 | 2026092801 |
| 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 23:28:37 shown | 474ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 08:28:49 | 458ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 11:26:01 | 611ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 08:26:53 | 365ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 09:59:09 | 995ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-11 02:41:08 | 3060ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-21 22:49:21 | 952ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 13:59:12 | 672ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 07:39:29 | 606ms | 2 NS 1 A 4 MX | ⚠️ Bogus |
| 2026-06-17 13:41:13 | 2292ms | 2 NS 1 A 4 MX | 🔒 Secure |