| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 160.153.0.201 | 3600s | 201.0.153.160.host.secureserver.net | AS209242 | Cloudflare London, LLC | 160.153.0.0/24 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | mx1-usg2.ppe-hosted.com | 98.85.123.215 | mx1-usg2.ppe-hosted.com | AS14618 Amazon.com, Inc. |
| 0 | 3600s | mx2-usg2.ppe-hosted.com | 23.21.114.81 | mx2-usg2.ppe-hosted.com | AS14618 Amazon.com, Inc. |
| 0 | 3600s | mx3-usg2.ppe-hosted.com | 34.231.165.252 | mx3-usg2.ppe-hosted.com | AS14618 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| google-site-verification=39RJAMWsxbpB_CbKADnOvV1eb1fupj3R2J7CUR_qXe8 |
| google-site-verification=C6K1t1Fc_NXL1BABBan0lHBIvUSRgeo5yqni1NchSYk |
| NETORG20503426.onmicrosoft.com |
| v=spf1 include:spf.em.secureserver.net include:_spf-usg2.ppe-hosted.com include:secureserver.net ~all |
| Policy | Record (mathready.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.em.secureserver.net include:_spf-usg2.ppe-hosted.com include:secureserver.net ~all |
| Policy | Record (_dmarc.mathready.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc_rua@onsecureserver.net |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.mathready.dk | mathready.dk.a2a5947319618a50.dcv.cloudflare.com |
| 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 | 2026082702 |
| Primary NS (MNAME) | ns61.domaincontrol.com |
| Responsible (RNAME) | dns@jomax.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-28 16:33:56 | 1045ms | 2 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-06-25 20:06:13 | 2713ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-06-21 22:22:51 | 2810ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-06-21 11:22:27 | 914ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-19 13:15:30 | 940ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-06-18 00:36:07 | 3141ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |