Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rcoandassociates.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 04:28:13 UTC · ↺ Refresh
MX Hostnames
- mx2.mtaroutes.com
- mx4.mtaroutes.com
- mx1.mtaroutes.com
- mx3.mtaroutes.com
MX Priorities
- mx1.mtaroutes.com: 10
- mx2.mtaroutes.com: 20
- mx3.mtaroutes.com: 30
- mx4.mtaroutes.com: 40
A / AAAA Records
- 52.27.99.119 ↩ ec2-52-27-99-119.us-west-2.compute.amazonaws.com
Mail Server IPs
- 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
- 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 2001:550:2:61::2fc:100 (no PTR)
- 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009010165 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010165
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns21.digicertdns.com
ns22.digicertdns.com
ns23.digicertdns.net
ns24.digicertdns.net
ns25.digicertdns.net
ns20.digicertdns.com
SPF Record
✓ Strict (-all)
v=spf1 +include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms77743322
- SPFv=spf1 +include:spf.protection.outlook.com -all
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