jbmail.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 23 September 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | — | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | — | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (jbmail.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.jbmail.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | jbmail.dk (all on jbmail.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| 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 | 2026061203 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@jbmail.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2007-09-23 |
| Expires | 2027-09-30 (345d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 09:29:26 | 1034ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 16:49:41 | 2428ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-03 15:05:41 | 863ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 05:07:44 | 794ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-27 11:04:52 | 2501ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 05:22:50 | 815ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-18 08:55:25 | 997ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-15 15:36:09 | 1176ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-08 12:45:01 | 943ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 05:01:42 | 802ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 08:26:31 | 1265ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 09:46:07 | 3331ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 08:38:26 | 1272ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 23:47:30 | 9744ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 10:25:06 | 2848ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 13:58:10 | 8704ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 14:49:00 | 1050ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 06:52:56 | 967ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 16:20:56 | 1068ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 13:43:11 shown | 5305ms | 5 NS 0 A 3 MX | 🔓 Insecure |