| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.13.51 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.132.155 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 300s | mx01.hallbergit.dk | 167.86.78.83 2a02:c207:2248:59::1 |
mx01.hallbergit.dk mx01.hallbergit.dk |
AS51167 Contabo GmbH AS51167 Contabo GmbH |
| 20 | 300s | mx02.hallbergit.dk | 167.86.119.98 2a02:c207:2248:60::1 |
mx02.hallbergit.dk mx02.hallbergit.dk |
AS51167 Contabo GmbH AS51167 Contabo GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | maildiscover.hallbergit.dk → 167.86.78.83 |
| 🔶 Autoconfig | maildiscover.hallbergit.dk → 167.86.78.83 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:d33 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:849b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.13.51,172.67.132.155 ech=AEX+DQBB5AAgACABapd4L/jVNdxaf0gluT2G7/56pQYsISi2KEnoFpT2AgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:d33,2606:4700:3035::ac43:849b |
| TXT Record |
|---|
| v=spf1 include:_spfcust.hallbergit.dk -all |
| Policy | Record (oxiders.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spfcust.hallbergit.dk -all |
| Policy | Record (_dmarc.oxiders.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:e484163673054774b47afe9f31f6a620@dmarc-reports.cloudflare.net |
| 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 | 2412108102 |
| Primary NS (MNAME) | isla.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-26 21:21:29 | 1089ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-08-14 12:48:39 | 1474ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-08-11 12:42:44 | 1357ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-07-02 14:29:25 | 10033ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-25 03:08:02 | 3567ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-23 12:13:29 | 1190ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 13:31:54 | 3179ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |