Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
don.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 22:07:23 UTC · ↺ Refresh
MX Hostnames
- mxb-00133a01.gslb.pphosted.com
- mxa-00133a01.gslb.pphosted.com
MX Priorities
- mxa-00133a01.gslb.pphosted.com: 10
- mxb-00133a01.gslb.pphosted.com: 10
A / AAAA Records
- 52.22.93.166 ↩ ec2-52-22-93-166.compute-1.amazonaws.com
- 35.172.151.211 ↩ ec2-35-172-151-211.compute-1.amazonaws.com
- 18.189.95.76 ↩ ec2-18-189-95-76.us-east-2.compute.amazonaws.com
- 3.20.37.124 ↩ ec2-3-20-37-124.us-east-2.compute.amazonaws.com
Mail Server IPs
- 67.231.153.149 ↩ mx0b-00133a01.pphosted.com
- 67.231.145.161 ↩ mx0a-00133a01.pphosted.com
SOA Record
Raw SOA
ns2.savvis.net dns-admin.centurylink.com 2260313000 3600 1800 604800 3600
Primary NS (mname)
ns2.savvis.net
Admin Email (rname)
dns-admin@centurylink.com
Serial
2260313000
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns6.savvis.net
ns4.savvis.net
ns3.savvis.net
ns6a.savvis.net
ns1.savvis.net
ns2.savvis.net
ns5.savvis.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
8 records- fastly-domain-delegation-830150-2024117
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- box-domain-verification=b1e8f5cf07aed626adf7b11d13344236c57dc09394d005ee3e6281f0d0ac3860
- box-domain-verification=fec66197a801e057b68ac13aa53b85cc4f259ac388a9c6ba3cf7ce6aba4dae77
- _srf8t7xg4l2ntljcvg0slquxnymddjf
- smartsheet-site-validation=omOzWonBukzRyThGaf73Hjs1bloIDJPY
- 5lhd05bj75n4n456mtcamp4tt4
- MS=057CC64F2F238E9E59067E6C3A3C3B8C92A6DF48
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