Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centerattucson.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 16:23:25 UTC · ↺ Refresh
MX Hostnames
- antispam2.spg-llc.com
- antispam.spg-llc.com
MX Priorities
- antispam.spg-llc.com: 10
- antispam2.spg-llc.com: 0
A / AAAA Records
- 52.10.68.221 ↩ ec2-52-10-68-221.us-west-2.compute.amazonaws.com
Mail Server IPs
- 52.8.2.105 ↩ antispam.spg-llc.com
- 13.57.143.243 ↩ antispam2.spg-llc.com
SOA Record
Raw SOA
ns03.domaincontrol.com dns.jomax.net 2025050500 28800 7200 604800 600
Primary NS (mname)
ns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025050500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns04.domaincontrol.com
ns03.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a:mail.centerattucson.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=90; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 90% of failing messages only
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
1 record- SPFv=spf1 a:mail.centerattucson.com -all
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