Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
corepluspr.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 10:32:27 UTC · ↺ Refresh
MX Hostnames
- mx-01-us-east-2.prod.hydra.sophos.com
- mx-02-us-east-2.prod.hydra.sophos.com
MX Priorities
- mx-02-us-east-2.prod.hydra.sophos.com: 1
- mx-01-us-east-2.prod.hydra.sophos.com: 0
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 18.118.219.4 ↩ ec2-18-118-219-4.us-east-2.compute.amazonaws.com
- 3.138.43.149 ↩ ec2-3-138-43-149.us-east-2.compute.amazonaws.com
- 18.189.107.171 ↩ ec2-18-189-107-171.us-east-2.compute.amazonaws.com
SOA Record
Raw SOA
ns73.domaincontrol.com dns.jomax.net 2026012501 28800 7200 604800 3600
Primary NS (mname)
ns73.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012501
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns74.domaincontrol.com
ns73.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf_useast2.prod.hydra.sophos.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
5 records- atlassian-domain-verification=zezQTLfyrHqfzsJ5KhmJV9ZIzmEcP2pTPqn2OeFR/Wn0vQ1HK7ntaLXzCWCPJnu8
- sophos-domain-verification=d4e09018cf13f0a56d1fdd6bf62ab542963d9616
- apple-domain-verification=RMf80orD1jYCwXHe
- google-site-verification=eQdI5HMEXoWJZG13u230Ict1vAgc1YqkoVKXSDj0Qgw
- SPFv=spf1 include:spf.protection.outlook.com include:_spf_useast2.prod.hydra.sophos.com -all
Full email verification for corepluspr.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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