Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
trinseo.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 05:10:16 UTC · ↺ Refresh
MX Hostnames
- mxb-003d9d01.gslb.pphosted.com
- mxa-003d9d01.gslb.pphosted.com
MX Priorities
- mxa-003d9d01.gslb.pphosted.com: 10
- mxb-003d9d01.gslb.pphosted.com: 10
A / AAAA Records
- 54.221.199.186 ↩ ec2-54-221-199-186.compute-1.amazonaws.com
Mail Server IPs
- 205.220.161.19 ↩ mx0a-003d9d01.pphosted.com
- 205.220.173.19 ↩ mx0b-003d9d01.pphosted.com
SOA Record
Raw SOA
ns1.markmonitor.com hostmaster.markmonitor.com 2025121201 86400 3600 2592000 172800
Primary NS (mname)
ns1.markmonitor.com
Admin Email (rname)
hostmaster@markmonitor.com
Serial
2025121201
Refresh
86400s
Retry
3600s
Expire
2592000s
Minimum TTL
172800s
Nameservers (NS)
ns7.markmonitor.com
ns1.markmonitor.com
ns2.markmonitor.com
ns3.markmonitor.com
ns4.markmonitor.com
ns5.markmonitor.com
ns6.markmonitor.com
SPF Record
✓ Strict (-all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
7 records- pml0p6dl3898jy0d4c3fd3rgwz7s4n0w
- atlassian-domain-verification=rD/LQJyQjXat8YPKwZRufahJXwxfQjRS7/saTktHK/5bpaUVqas2aHFTH6Sh408A
- cisco-ci-domain-verification=4ec75cb1f2d14f74dfb7c1873e0acdc0ec73e3c612eb176961208cab170aeca5
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
- MS=ms43438854
- apple-domain-verification=I9vS3CMM2SIhOCwE
- apple-domain-verification=61lFywYMD33x3Lgv
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