mailsender2.dk is a .dk domain served by 2 nameservers (ns1.beskednu.com, ns2.beskednu.com). It was registered on 15 March 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 79.142.64.15 is hosted by AltusHost B.V. (AS51430) in The Netherlands. Mail is handled by mailsender2.dk, mxa.eu.mailgun.org and 1 more. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.beskednu.com | 79.142.64.15 | server.beskednu.com | AS51430 AltusHost B.V. |
| ns2.beskednu.com | 79.142.64.16 | nld-net-ip.as51430.net | AS51430 AltusHost B.V. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 79.142.64.15 | 14400s | server.beskednu.com | AS51430 | AltusHost B.V. | 79.142.64.0/20 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | mailsender2.dk | 79.142.64.15 | server.beskednu.com | AS51430 AltusHost B.V. |
| 10 | 14400s | mxa.eu.mailgun.org | 34.111.130.244 | 244.130.111.34.bc.googleusercontent.com | AS396982 Google LLC |
| 10 | 14400s | mxb.eu.mailgun.org | 34.111.130.244 | 244.130.111.34.bc.googleusercontent.com | AS396982 Google LLC |
| TXT Record |
|---|
| v=spf1 ip4:79.142.64.15 +a +mx include:mailgun.org ~all |
| Policy | Record (mailsender2.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:79.142.64.15 +a +mx include:mailgun.org ~all |
| Policy | Record (_dmarc.mailsender2.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400 |
| www CNAME | mailsender2.dk (all on mailsender2.dk) → 79.142.64.15 (AS51430) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~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: 7/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.mailsender2.dk | zBlx2anuoRHxs_znMkCWV3BRfJXBRnz8FqLTFQqMB5s |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026052701 |
| Primary NS (MNAME) | ns1.beskednu.com |
| Responsible (RNAME) | root@79-142-64-15.cprapid.com |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Name SRS AB |
| Registered | 2022-03-15 |
| Expires | 2027-03-14 (148d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 14:57:12 | 1107ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 06:52:26 | 889ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-29 15:38:49 | 1670ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-27 09:46:15 | 2884ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-27 02:27:05 | 3005ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-28 01:14:25 | 3272ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 20:02:35 | 784ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 03:21:21 | 1149ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 14:54:46 shown | 645ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 13:59:48 | 4872ms | 2 NS 1 A 3 MX | 🔓 Insecure |