actiononline.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 30 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mailhotel3.inet.tele.dk, relay.inet.tele.dk. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 193.163.159.149 | 3600s | voldemort.opasia.dk | — | — | — | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mailhotel3.inet.tele.dk | — | — | — |
| 20 | 3600s | relay.inet.tele.dk | 194.182.148.151 194.182.148.158 |
mail-in2.inet.tele.dk mail-in1.inet.tele.dk |
AS3292 TDC Holding A/S AS3292 TDC Holding A/S |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (actiononline.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.actiononline.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:cv1zdpyr@ag.eu.dmarcian.com; ruf=mailto:cv1zdpyr@fr.eu.dmarcian.com; |
| www CNAME | voldemort.opasia.dk (all on opasia.dk) |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| 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 | 2026072108 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 1998-11-30 |
| Expires | 2026-12-31 (73d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 01:11:06 | 3840ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 21:57:13 | 1888ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-07 15:32:27 | 797ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 23:55:54 | 1305ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 02:26:39 | 3101ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-04 10:56:07 | 1730ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 19:58:47 | 4783ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 23:26:46 shown | 988ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-15 16:39:31 | 981ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-02 00:10:14 | 15803ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-22 07:36:44 | 2140ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-21 06:42:21 | 9018ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-10 08:08:05 | 1089ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 16:02:20 | 949ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 06:55:44 | 1018ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-19 21:50:52 | 977ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 13:18:06 | 685ms | 4 NS 1 A 2 MX | 🔒 Secure |