dyb-net.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 25 October 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.foreningsmail.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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx.foreningsmail.dk | 34.140.124.121 | 121.124.140.34.bc.googleusercontent.com | AS396982 Google LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | cust-www1.arrownet.dk → 62.61.131.6 |
| 🔶 Autoconfig | cust-www1.arrownet.dk → 62.61.131.6 |
| TXT Record |
|---|
| v=spf1 include:_spf_forening.mail.dk ~all |
| Policy | Record (dyb-net.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf_forening.mail.dk ~all |
| Policy | Record (_dmarc.dyb-net.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 | cust-www1.arrownet.dk (all on arrownet.dk) → 62.61.131.6 (AS15516) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.dyb-net.dk | cust-www1.arrownet.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026011649 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2002-10-25 |
| Expires | 2026-12-31 (73d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 09:00:27 | 902ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-05 07:52:55 shown | 544ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-04 07:48:47 | 652ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-03 07:44:21 | 649ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-27 05:35:01 | 893ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-16 21:14:28 | 902ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-11 04:25:01 | 698ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-02 19:26:16 | 3853ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-29 18:04:41 | 602ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-28 01:46:43 | 694ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-25 19:15:51 | 1107ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-12 08:26:33 | 9984ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-09 12:43:20 | 1052ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-23 21:31:19 | 1034ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-22 21:08:16 | 1164ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-21 19:52:44 | 1158ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-12 23:55:25 | 17097ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-04 21:07:20 | 1828ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-03 19:21:00 | 1175ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-02 00:37:34 | 961ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 05:06:05 | 637ms | 4 NS 0 A 1 MX | 🔒 Secure |