Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
curtis.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 22:42:10 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 23.200.88.51 ↩ a23-200-88-51.deploy.static.akamaitechnologies.com
- 23.200.88.79 ↩ a23-200-88-79.deploy.static.akamaitechnologies.com
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
dbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 169 10800 3600 604800 86400
Primary NS (mname)
dbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
169
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
a26-66.akam.net
dmtu.mt.ns.els-gms.att.net
dbru.br.ns.els-gms.att.net
a1-177.akam.net
a28-65.akam.net
a11-66.akam.net
a3-67.akam.net
a16-64.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_netblocks.mimecast.com ip4:198.21.6.113 ip4:168.245.40.179 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected], mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- apple-domain-verification=fgGH1aDjX9mFoHtI
- ZOOM_verify_tLY6TSbyQCq-NPO27ppwJg
- SPFv=spf1 include:_netblocks.mimecast.com ip4:198.21.6.113 ip4:168.245.40.179 ~all
- curtisepwebapp.azurewebsites.net
- logmein-verification-code=88623f04-31a1-4940-a604-9a85390ffdbb
- cisco-ci-domain-verification=61abcbe5c2c6cdf13f64e294d1345e4ede35363b9c5d9d4f342de70702026de5
Full email verification for curtis.com
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