Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
houstonzoo.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 05:50:19 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 34.199.196.232 ↩ ec2-34-199-196-232.compute-1.amazonaws.com
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-131.awsdns-16.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-131.awsdns-16.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1151.awsdns-15.org
ns-131.awsdns-16.com
ns-2032.awsdns-62.co.uk
ns-838.awsdns-40.net
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=1p8k6p23._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
18 records- SPFv=spf1 redirect=1p8k6p23._spf._d.mim.ec
- 8cc9bcb5a31aac7d67758f25d0d4b215c88c58d2c941798c1e
- MS=ms60780090
- _betterimpact-rewrite-sender
- _globalsign-domain-verification=tTF2wpGDmI6Sx4WToy9Qi9OkiEj7Gkn_cS2Rnwx_B7
- bbcbrtfasg8gtdbjc74tqfe8el
- d365mktkey=Sks5YvN1DDZLYm02gX908btc7v66QHDgGQXezdVMj2ox
- dfTspIo3Chn7DweOEdSRnt69zfrCkKxKmUjabvLaMESow2/g0EAR1IVr/42Z1cqNPyjOHt/PomZI5Mw1/jzu8Q
- e2ma-verification=4rlbb
- e2ma-verification=6rlbb
- e2ma-verification=7rlbb
- e2ma-verification=hclbb
- e2ma-verification=srlbb
- google-site-verification=-opw_kuDtN3UfpBmgzuDMoR3E88Y0_n4aB-XTHCjzDg
- google-site-verification=ZKFWPicDomuNWcWnyMTjhNDK7ITl_xhVQOjJnrDkAIQ
- intacct-esk=686C5C599FE62DB6E053AA06A8C0C496
- l8dry59mhvdqq5s3c4wrs6gtzwqvz149
- openai-domain-verification=dv-FasqTQubH5WE5O6NVlDMof0C
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