hlpnet.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 13 September 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.52.104.138 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.hlpnet.dk, vpserver.hlpnet.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.52.104.138 | — | 0x5734688a.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a09:5e41:e5f:520::1 | — | — | AS209424 | Fastspeed A/s | 2a09:5e41:800:0:0:0:0:0/37 | 🇩🇰 Denmark | Ringsted |
| TXT Record |
|---|
| v=spf1 a mx ip4:87.52.104.138 ip6:2a09:5e40:5:1::7:1000/112 ~all |
| Policy | Record (hlpnet.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:87.52.104.138 ip6:2a09:5e40:5:1::7:1000/112 ~all |
| Policy | Record (_dmarc.hlpnet.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; ruf=mailto:postmaster@hlpnet.dk; rua=mailto:postmaster@hlpnet.dk; adkim=s; aspf=s |
| Check | Result |
|---|---|
| Status | 🧪 Testing |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | testing |
| Policy ID | 20250317173800Z |
| max_age | 1209600s |
| Policy MX | — |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:postmaster@hlpnet.dk |
| www CNAME | hlpnet.dk (all on hlpnet.dk) |
| www vs bare domain | Same network hlpnet.dk: 87.52.104.138 2a09:5e41:e5f:520::1 (AS3292 AS209424) www.hlpnet.dk: 87.52.104.138 2a09:5e41:e5f:520::1 (AS3292 AS209424) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA Invalid key data — receivers can't verify signatures |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.hlpnet.dk | DANE-EE · SPKI · SHA-256 | 58A78FD7AD47FD508A6EA5B0AE671F19… |
| SMTP _25._tcp.mail03-vps.hlpnet.dk | DANE-EE · SPKI · SHA-256 | DA94FD5FDD3B5CC1DCC410F0105EF058… |
| SMTP _25._tcp.vpserver.hlpnet.dk | DANE-EE · SPKI · SHA-256 | 03E137E08061B14C9D715999C1292924… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061700 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2001-09-13 |
| Expires | 2027-09-30 (348d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 04:29:19 | 842ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 10:13:42 | 1096ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 10:08:38 | 1007ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 10:03:45 | 657ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 05:14:32 | 1176ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 04:03:02 | 808ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 20:43:22 | 1150ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-15 22:49:19 | 1791ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-05 14:21:35 | 890ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 18:48:16 | 1369ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-08 23:23:10 | 1100ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-04 23:51:06 | 1793ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-01 15:55:58 | 871ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-24 14:45:11 | 3778ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 12:43:01 shown | 1363ms | 4 NS 1 A 3 MX | 🔒 Secure |