jtreu.dk is a .dk domain served by 2 nameservers (ashton.ns.cloudflare.com, dayana.ns.cloudflare.com). It was registered on 28 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.42.17.69 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by mailserver.purelymail.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 77.42.17.69 | 300s | static.69.17.42.77.clients.your-server.de | AS24940 | Hetzner Online GmbH | 77.42.0.0/17 | 🇫🇮 Finland | Helsinki |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 50 | 300s | mailserver.purelymail.com | 18.204.123.63 | ec2-18-204-123-63.compute-1.amazonaws.com | AS14618 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.42.17.69 |
| 🔶 Autoconfig | 77.42.17.69 |
| TXT Record |
|---|
| purelymail_ownership_proof=778e93c7f8a2e9941dba986ac6ab2b9b68858e8cb218306708841dd1814c4651068363ac0dcf35154c1c93ee0b45a76656cb1957407438f6398f1b5f0d7aac82 |
| v=spf1 include:_spf.purelymail.com ~all |
| Policy | Record (jtreu.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.purelymail.com ~all |
| Policy | Record (_dmarc.jtreu.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:alex@jtreu.dk; ruf=mailto:alex@jtreu.dk; sp=quarantine; adkim=r; aspf=r |
| www | 77.42.17.69 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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 | 2417363756 |
| Primary NS (MNAME) | ashton.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 | 2025-02-28 |
| Expires | 2027-02-27 (133d) |
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 |
|---|---|
| codealex.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 00:56:10 shown | 3110ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 05:48:07 | 563ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 19:58:38 | 520ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-22 01:30:30 | 936ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-14 23:22:12 | 909ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 05:43:38 | 1126ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 10:28:12 | 1298ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-15 18:49:00 | 1133ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-13 10:35:01 | 3133ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-22 21:06:31 | 1648ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-20 05:43:00 | 8781ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-11 18:57:05 | 2206ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-01 13:30:45 | 929ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-30 01:00:26 | 1249ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 19:30:41 | 4769ms | 2 NS 1 A 1 MX | 🔓 Insecure |