| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 13.248.243.5 | — | a16e665f42988324c.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 13.248.0.0/14 | 🇺🇸 United States | — |
| 76.223.105.230 | — | a16e665f42988324c.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 76.223.0.0/17 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | — | mxbiz1.qq.com | 103.86.78.2 103.86.78.3 |
— — |
AS9304 HGC Global Communications Limited AS9304 HGC Global Communications Limited |
| 5 | — | mxbiz2.qq.com | 43.154.252.16 43.154.252.202 |
— — |
AS132203 Tencent Building, Kejizhongyi Avenue AS132203 Tencent Building, Kejizhongyi Avenue |
| 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 | 2025050600 |
| Primary NS (MNAME) | ns61.domaincontrol.com |
| Responsible (RNAME) | dns@jomax.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |