dahlgren.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 December 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.220.71 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by bea27665.21.ik2.com, bea27665.22.ik2.io and 1 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 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 |
|---|---|---|---|---|---|---|---|
| 217.116.220.71 | 43200s | — | AS31027 | GlobalConnect A/S | 217.116.208.0/20 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| MS=ms53183258 |
| v=spf1 ip4:195.24.227.186/27 -all |
| Policy | Record (dahlgren.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:195.24.227.186/27 -all |
| www | 217.116.220.71 (AS31027) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 2026071801 |
| 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 | 2012-12-06 |
| Expires | 2026-12-31 (71d) |
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 |
|---|---|
| strømudlejning.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 15:19:55 | 2347ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-27 01:14:32 | 2180ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-11 18:03:27 | 4802ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-12 18:13:04 | 5329ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-18 20:41:28 shown | 4828ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-15 00:56:04 | 3624ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 09:31:23 | 6920ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 23:46:23 | 2346ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 23:40:35 | 2307ms | 2 NS 1 A 3 MX | 🔒 Secure |