presinst.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 11 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.248.148.104 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by presinst-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 600s | presinst-dk.mail.protection.outlook.com | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| MS=ms78503728 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (presinst.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 52.72.49.79 (AS14618) (address records, no CNAME) |
| www vs bare domain | Same network presinst.dk: 13.248.148.104 52.72.49.79 76.223.20.46 (AS14618 AS16509) www.presinst.dk: 52.72.49.79 (AS14618) |
| 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026090501 |
| 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 | 2024-11-11 |
| Expires | 2026-11-10 (20d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| presidents.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:19:22 | 1017ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-10-01 07:46:39 | 2860ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-24 02:05:10 | 4503ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-23 23:40:07 | 841ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-17 22:59:56 | 1075ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-10 21:54:03 shown | 10188ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-08 06:07:19 | 682ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-27 04:40:07 | 9876ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-15 11:52:48 | 3342ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:19:01 | 1780ms | 2 NS 3 A 1 MX | 🔓 Insecure |