helselarsen.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 3 April 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.33.152.50 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 3.33.152.50 | 3600s | a393efcbee787c12c.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 3.33.128.0/17 | 🇺🇸 United States | — |
| 52.223.13.110 | 3600s | a393efcbee787c12c.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 52.223.0.0/17 | 🇺🇸 United States | — |
| TXT Record |
|---|
| v=spf1 a mx include:spf.curanet.dk include:spf.simply.com ~all |
| Policy | Record (helselarsen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:spf.curanet.dk include:spf.simply.com ~all |
| www CNAME | hosting.auxo.dk (all on auxo.dk) |
| www vs bare domain | Different networks helselarsen.dk: 3.33.152.50 52.223.13.110 (AS16509) (all like this)www.helselarsen.dk: 104.21.57.189 172.67.165.120 2606:4700:3031::ac43:a578 2606:4700:3036::6815:39bd (AS13335) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 6/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026083106 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-04-03 |
| Expires | 2027-06-30 (246d) |
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 |
|---|---|---|---|
| 2026-09-30 19:34:29 | 669ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-09-30 03:07:37 | 470ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-09-08 14:03:13 | 917ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-09-01 00:25:20 shown | 1050ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-07-04 17:53:29 | 3504ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-24 08:07:03 | 2219ms | 4 NS 1 A 5 MX | ⚠️ Bogus |
| 2026-06-17 11:22:33 | 947ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-17 11:18:56 | 1791ms | 4 NS 1 A 5 MX | 🔒 Secure |