| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.62.121.101 | 3600s | 0x573e7965.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.62.0.0/15 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.henningkristensen.dk | 87.62.121.101 | 0x573e7965.static.cust.fastspeed.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.henningkristensen.dk → 87.62.121.101 |
| 🔶 Autoconfig | mail.henningkristensen.dk → 87.62.121.101 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail.henningkristensen.dk |
| TXT Record |
|---|
| v=spf1 mx ~all |
| Policy | Record (henningkristensen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ~all |
| Policy | Record (_dmarc.henningkristensen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:postmaster@henningkristensen.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082901 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-30 05:21:37 | 596ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 10:24:25 | 728ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-23 02:26:03 | 1320ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-22 02:00:59 | 4855ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-20 00:39:13 | 3642ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-17 20:35:58 | 768ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-16 07:30:52 | 10147ms | 2 NS 0 A 0 MX | ⚠️ Bogus | View |
| 2026-08-15 04:38:04 | 723ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 11:53:42 | 776ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-24 13:45:43 | 4558ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 17:04:13 | 2749ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 06:59:08 | 594ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 08:14:23 | 611ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-09 20:29:03 | 623ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-08 12:47:23 | 1276ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 23:01:18 | 779ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-27 01:31:24 | 1626ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-25 10:45:04 | 648ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-24 08:41:36 | 931ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 11:17:20 | 738ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-17 11:11:44 | 830ms | 2 NS 1 A 4 MX | 🔒 Secure | View |