alarsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 March 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 3600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.47.247.18 |
| 🔶 Autoconfig | 195.47.247.18 |
| TXT Record |
|---|
| v=spf1 ip4:192.168.1.9 include:_spf.google.com ~all |
| Policy | Record (alarsen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:192.168.1.9 include:_spf.google.com ~all |
| www CNAME | ds220-alarsen.synology.me (all on synology.me) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101101 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2001-03-08 |
| Expires | 2027-03-31 (164d) |
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 |
|---|---|
| alla.dk | Punktum dk A/S (direct) |
| malmsio.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 22:26:34 shown | 586ms | 2 NS 1 A 7 MX | 🔒 Secure |
| 2026-09-30 23:20:49 | 879ms | 2 NS 1 A 7 MX | 🔒 Secure |
| 2026-09-14 16:07:23 | 1007ms | 2 NS 1 A 7 MX | 🔒 Secure |
| 2026-09-06 17:06:43 | 1008ms | 2 NS 1 A 7 MX | 🔒 Secure |
| 2026-08-28 01:11:43 | 905ms | 2 NS 1 A 7 MX | 🔒 Secure |
| 2026-08-12 01:29:36 | 4742ms | 2 NS 1 A 7 MX | 🔒 Secure |
| 2026-07-30 11:14:30 | 5686ms | 2 NS 1 A 7 MX | 🔒 Secure |
| 2026-07-18 05:12:47 | 1400ms | 2 NS 1 A 7 MX | 🔒 Secure |
| 2026-07-14 03:08:52 | 17118ms | 2 NS 1 A 7 MX | 🔒 Secure |
| 2026-07-06 22:08:12 | 1847ms | 2 NS 1 A 7 MX | 🔒 Secure |
| 2026-06-20 07:33:23 | 1132ms | 2 NS 1 A 7 MX | 🔒 Secure |
| 2026-06-19 21:34:42 | 725ms | 2 NS 1 A 7 MX | 🔒 Secure |
| 2026-06-16 12:49:12 | 2218ms | 2 NS 1 A 7 MX | 🔒 Secure |