Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
masslung.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 09:15:02 UTC · ↺ Refresh
MX Hostnames
- masslung-com.mx1.arsmtp.com
- masslung-com.mx2.arsmtp.com
MX Priorities
- masslung-com.mx2.arsmtp.com: 20
- masslung-com.mx1.arsmtp.com: 10
A / AAAA Records
- 52.203.207.94 ↩ ec2-52-203-207-94.compute-1.amazonaws.com
Mail Server IPs
- 8.19.118.157 ↩ encrypt205.appriver.com
- 8.31.233.190 ↩ encrypt204.appriver.com
SOA Record
Raw SOA
ns19.domaincontrol.com dns.jomax.net 2023121200 28800 7200 604800 600
Primary NS (mname)
ns19.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2023121200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns20.domaincontrol.com
ns19.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:edgepilot.com include:masslung-com.spf.smtp25.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- SPFv=spf1 include:spf.protection.outlook.com include:edgepilot.com include:masslung-com.spf.smtp25.com -all
- MS=ms21896125
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