send.certifiedmail.com - robtex.com
send.certifiedmail.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.188.41.64🇺🇸 Microsoft52.160.0.0/11 MICROSOFT | ||||||
certifiedmail.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.208.18.158🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix | ||||||
| NS | ns1-01.azure-dns.com ⭐ | ||||||
| NS | ns2-01.azure-dns.net | ||||||
| NS | ns3-01.azure-dns.org | ||||||
| NS | ns4-01.azure-dns.info | ||||||
| MX | mail.certifiedmail.com ⭐ | ||||||
| TXT | MS=ms22364425 | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com include:_spf.google.com a ip4:209.1... | ||||||
| SOA | ns1-01.azure-dns.comazuredns-hostmaster@microsoft.com.certifiedmail.com serial=30 | ||||||
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A52.188.41.642026-03-23 → 2026-03-23 · 2 obs
○ 2016-11-20 02:41:18
● 2026-03-23 20:09:14
● 2026-03-23 20:09:14
○A64.247.25.1392015-06-23 → 2016-11-20 · 3 obs
● 2015-06-23 19:52:34
● 2016-11-20 02:41:18
○ 2026-03-23 20:09:14
● 2016-11-20 02:41:18
○ 2026-03-23 20:09:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| certifiedmail.com | ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info | 2 records |
✅ Authoritative Response
Server:208.84.5.1
NS records: ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certifiedmail.com (unsigned zone)
⏱️ Timing
Total: 109ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.188.41.64 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-01.azure-dns.com, ns1-01.azure-dns.com)
Analysis
IP Addresses
send.certifiedmail.com maps to IP address 52.188.41.64.