| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.72.2.112 | 14400s | p112.lon.krystal.io | AS12488 | Krystal Hosting Ltd | 77.72.0.0/21 | 🇬🇧 United Kingdom | London |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.krystal.io | 185.53.56.44 185.53.56.46 |
mx1.strikemail.co.uk mx1.strikemail.co.uk |
AS12488 Krystal Hosting Ltd AS12488 Krystal Hosting Ltd |
| 20 | 3600s | mx2.krystal.io | 185.53.56.45 185.53.56.47 |
mx2.strikemail.co.uk mx2.strikemail.co.uk |
AS12488 Krystal Hosting Ltd AS12488 Krystal Hosting Ltd |
| TXT Record |
|---|
| v=spf1 ip4:185.194.90.17 ip4:77.72.2.112 include:relay.k.io a mx ip4:77.72.1.86 ~all |
| Policy | Record (smartguy.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:185.194.90.17 ip4:77.72.2.112 include:relay.k.io a mx ip4:77.72.1.86 ~all |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.smartguy.dk | oopkIVWvzx4Ck09RGmfI0IGG-rdHEicsLCYIjpMcfZc |
| 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 | 2026082006 |
| Primary NS (MNAME) | ns1.krystal.io |
| Responsible (RNAME) | admin@demo.p112.lon.krystal.io |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Nom-Iq Ltd |
| Registered | 2000-02-08 |
| Expires | 2027-03-31 (209d) |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 13:06:06 | 2371ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-29 02:38:33 | 2423ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-28 01:57:30 | 1881ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-27 00:58:53 | 2020ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-25 08:07:02 | 9451ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-24 05:52:18 | 3718ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-22 23:08:56 | 8042ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-21 23:03:17 | 2797ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-20 22:54:46 | 6086ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-19 21:21:21 | 7244ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-18 20:50:09 | 4945ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-16 21:36:02 | 3094ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-15 15:11:17 | 3652ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-14 07:19:30 | 11084ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-13 05:17:43 | 2669ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-11 19:24:55 | 4156ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-10 12:34:05 | 3815ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-06 22:26:26 | 4096ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-03 05:03:48 | 9519ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-07-30 15:54:20 | 33035ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-07-29 00:29:56 | 3985ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-07-27 15:11:32 | 11052ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-07-26 14:28:35 | 10029ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-07-25 13:49:51 | 4625ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-07-24 13:38:35 | 10964ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |