Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nelsonasc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:49:15 UTC · ↺ Refresh
MX Hostnames
- nelsonasc-com.mail.protection.outlook.com
MX Priorities
- nelsonasc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.26.127 (no PTR)
- 172.67.136.68 (no PTR)
- 2606:4700:3032::ac43:8844
- 2606:4700:3037::6815:1a7f
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
arya.ns.cloudflare.com dns.cloudflare.com 2396880984 10000 2400 604800 1800
Primary NS (mname)
arya.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396880984
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
arya.ns.cloudflare.com
nash.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms34361503
- MS=ms77032780
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for nelsonasc.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits