Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ostimsa.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 22:14:47 UTC · ↺ Refresh
MX Hostnames
- mx-01-us-west-2.prod.hydra.sophos.com
- mx-02-us-west-2.prod.hydra.sophos.com
MX Priorities
- mx-01-us-west-2.prod.hydra.sophos.com: 0
- mx-02-us-west-2.prod.hydra.sophos.com: 10
A / AAAA Records
- 5.9.248.149 ↩ h9.a1center.net
Mail Server IPs
- 44.234.222.180 ↩ ec2-44-234-222-180.us-west-2.compute.amazonaws.com
- 50.112.72.129 ↩ ec2-50-112-72-129.us-west-2.compute.amazonaws.com
- 34.215.37.215 ↩ ec2-34-215-37-215.us-west-2.compute.amazonaws.com
SOA Record
Raw SOA
h9-ns1.hostinga1.com nots.a1center.net 2026020101 3600 1800 1209600 86400
Primary NS (mname)
h9-ns1.hostinga1.com
Admin Email (rname)
nots@a1center.net
Serial
2026020101
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
h9-ns1.hostinga1.com
h9-ns2.hostinga1.com
h9-ns3.hostinga1.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:_spfgeneral.a1center.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a include:_spfgeneral.a1center.net ~all
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