Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sitech-us.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 18:57:22 UTC · ↺ Refresh
MX Hostnames
- mxa-00a18301.gslb.gpphosted.com
- mxb-00a18301.gslb.gpphosted.com
MX Priorities
- mxa-00a18301.gslb.gpphosted.com: 10
- mxb-00a18301.gslb.gpphosted.com: 10
A / AAAA Records
- 205.178.189.131 ↩ wf.networksolutions.com
Mail Server IPs
- 66.159.227.2 ↩ mx0e-00a18301.gpphosted.com
- 66.159.228.2 ↩ mx0f-00a18301.gpphosted.com
SOA Record
Raw SOA
ns53.worldnic.com namehost.worldnic.com 126022518 10800 3600 604800 3600
Primary NS (mname)
ns53.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126022518
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns54.worldnic.com
ns53.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf-00a18301.gpphosted.com include:168.245.62.234 include:spf.protection.outlook.com include:8219854.spf08.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf-00a18301.gpphosted.com include:168.245.62.234 include:spf.protection.outlook.com include:8219854.spf08.hubspotemail.net -all
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