mailform.dk is a .dk domain served by 2 nameservers (ns1.netgiganten.dk, ns2.netgiganten.dk). It was registered on 28 December 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.12 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.mailform.dk. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 212.237.249.12 | — | lb1.builder.nu | AS48854 | team.blue Denmark A/S | 212.237.248.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | — | mail.mailform.dk | 195.242.130.12 | web2.netgiganten.dk | AS62121 Christian Ebsen ApS |
| TXT Record |
|---|
| v=spf1 ip4:195.242.130.12 include:_spf.netgiganten.dk ip4:138.201.66.69 +a +mx ~all |
| Policy | Record (mailform.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:195.242.130.12 include:_spf.netgiganten.dk ip4:138.201.66.69 +a +mx ~all |
| www CNAME | mailform.dk (all on mailform.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| 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: 3/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | ds=1 dnskey=1 |
| Field | Value |
|---|---|
| Serial | 2026061500 |
| Primary NS (MNAME) | ns1.netgiganten.dk |
| Responsible (RNAME) | monitor@netgiganten.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-12-28 |
| Expires | 2026-12-31 (73d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 02:01:37 | 607ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 22:57:51 | 431ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 22:39:33 | 519ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 13:40:25 | 544ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 13:17:54 | 452ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 23:40:12 | 653ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-16 19:22:50 | 658ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 17:33:31 | 982ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-27 03:16:32 | 2577ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 09:19:10 | 827ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 15:34:19 | 2725ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 15:12:03 shown | 1017ms | 2 NS 1 A 1 MX | ❓ Unknown |