42n.dk is a .dk domain served by 2 nameservers (ns0118.secondary.cloudflare.com, ns0240.secondary.cloudflare.com). It was registered on 8 March 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.42n.dk. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.42n.dk | 85.218.128.21 | proxy-1.stofa.net | AS39642 Sinal A/S |
| TXT Record |
|---|
| dtm-domain-verification=9-XRo0JLmBPVGHz0CS6Q1XeJe3jxM7u-seYfdJrd9F0 |
| v=spf1 ip4:85.218.128.21 ip4:95.154.0.66 ip4:95.154.0.67 ip4:95.154.0.119 ~all |
| Policy | Record (42n.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:85.218.128.21 ip4:95.154.0.66 ip4:95.154.0.67 ip4:95.154.0.119 ~all |
| Policy | Record (_dmarc.42n.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves 42n.dk: no address www.42n.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 0/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.42n.dk | U5DY11PBrUm4cTQY9WTP5RvIY83unyFW4SW8uP8Qx-U |
| TXT | _acme-challenge.42n.dk | dk6DZhpWzBq8xdSxuou_3yZEsUC6DLTaH7k9t02rWHw |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026100801 |
| Primary NS (MNAME) | ns0240.secondary.cloudflare.com |
| Responsible (RNAME) | hostmaster@norlys.dk |
| Refresh | 86400s |
| Retry | 7800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2021-03-08 |
| Expires | 2027-03-31 (163d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 04:20:52 | 502ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-14 02:08:11 | 524ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-13 00:23:50 | 1003ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-09 18:00:48 | 555ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-08 17:27:19 shown | 611ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-07 17:21:16 | 749ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-06 16:58:52 | 1611ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-05 14:47:02 | 632ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-02 14:40:37 | 804ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-01 14:35:05 | 744ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-30 14:30:19 | 2107ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-29 14:09:12 | 1216ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-26 13:27:05 | 917ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-25 13:13:16 | 858ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-24 13:00:39 | 817ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-23 12:42:00 | 844ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-18 19:14:13 | 1240ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-16 16:26:06 | 1092ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-10 00:00:09 | 1352ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-03 18:09:28 | 740ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-27 21:40:32 | 543ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-26 18:34:45 | 842ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-20 21:33:46 | 7695ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-18 20:36:23 | 2453ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-15 10:59:45 | 2838ms | 2 NS 0 A 1 MX | 🔓 Insecure |