communicatio.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It 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 3 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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| TXT Record |
|---|
| google-site-verification=7SIx4oafgdKu0q--_y_rUdb-4w_wnuYit8ftdZpjzyI |
| www CNAME | ghs.google.com (all on google.com) |
| www vs bare domain | Different networks communicatio.dk: 195.47.247.18 (AS51468) (all like this)www.communicatio.dk: 172.217.20.179 2a00:1450:400f:805::2013 (AS15169) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100704 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 04:23:48 | 591ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-13 07:22:44 | 545ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-08 02:04:41 shown | 2727ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-22 01:26:48 | 2531ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-21 17:07:00 | 846ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-25 11:34:54 | 763ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-22 01:08:43 | 5234ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-19 13:27:27 | 4991ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-25 23:30:19 | 766ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-16 21:56:24 | 528ms | 2 NS 1 A 5 MX | 🔒 Secure |