Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
chemstation.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 13:40:20 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 192.0.78.173 (no PTR)
- 192.0.78.205 (no PTR)
Mail Server IPs
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns-577.awsdns-08.net awsdns-hostmaster.amazon.com 2021120310 7200 900 1209600 86400
Primary NS (mname)
ns-577.awsdns-08.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2021120310
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-409.awsdns-51.com
ns-577.awsdns-08.net
ns-1507.awsdns-60.org
ns-1940.awsdns-50.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com ip4:52.230.227.147 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- SPFv=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com ip4:52.230.227.147 -all
- MS=6E64B64C15349F62D93D1BBB20B07C4233A9632B
- apple-domain-verification=1OBSp7HxfLjR22r9
- bw=vmXLQK9Qid7orxpELgJnsqX3UVBUqgFDGEJwHH3Kjtxk
Full email verification for chemstation.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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