Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
oltc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 19:44:19 UTC · ↺ Refresh
MX Hostnames
- oltc.com.1.arsmtp.com
- oltc.com.2.arsmtp.com
MX Priorities
- oltc.com.2.arsmtp.com: 20
- oltc.com.1.arsmtp.com: 10
A / AAAA Records
- 199.16.172.97 (no PTR)
- 199.16.173.188 (no PTR)
Mail Server IPs
- 8.19.118.213 ↩ server2005.appriver.com
- 8.31.233.235 ↩ server2004.appriver.com
SOA Record
Raw SOA
ns03.domaincontrol.com dns.jomax.net 2025072201 28800 7200 604800 600
Primary NS (mname)
ns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025072201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns03.domaincontrol.com
ns04.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf-us.echoworx.com include:sendgrid.net include:spf.protection.outlook.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
✗ 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- google-site-verification=OXHqZzxHllmjRkmHZI-TM-2plSjuJBTHi_W7-lhAaic
- SPFv=spf1 include:_spf-us.echoworx.com include:sendgrid.net include:spf.protection.outlook.com -all
- MS=ms12478000
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