Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbh.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 00:50:26 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
- 216.157.108.97 ↩ d89d6c61.client-ipv4.firmseek.net
- 72.32.131.23 ↩ www-dispatch.firmseek.com
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns-669.awsdns-19.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-669.awsdns-19.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-170.awsdns-21.com
ns-669.awsdns-19.net
ns-1405.awsdns-47.org
ns-1689.awsdns-19.co.uk
SPF Record
✓ Strict (-all)
v=spf1 ip4:38.83.135.0/24 ip4:38.83.2.0/24 mx include:spf.protection.3dcart.com include:us._netblocks.mimecast.com include:_spf.ultipro.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- MS=ms39303207
- atlassian-domain-verification=DVR/O1etKwhGCPJswe8HacXx0/9VCj59taRuzNIQKKVZZUzzy/JWodUY2gcyG0jw
- box-domain-verification=36d1930e7db7a6a2f9c93f91d402241fd2d07ae5a941c012bf7d3b71d5c75486
- docusign=9ff8fc21-9ff0-447f-aec1-e79e90a4be65
- dropbox-domain-verification=juanfkhs94ro
- duo_sso_verification=8IpX8cRgctHHaEtQC241ZdVn9fEyt3rSTUxL7lMz8QbqOhjI17YyEWuqcZdkBVYx
- k420387aa40nns8iae05ovre5k
- knowbe4-site-verification=e3b4e7f0239acdbcf23313d38f7a7fc9
- SPFv=spf1 ip4:38.83.135.0/24 ip4:38.83.2.0/24 mx include:spf.protection.3dcart.com include:us._netblocks.mimecast.com include:_spf.ultipro.com -all
- zoho-verification=zb00326806.zmverify.zoho.com
- 8882df3c4541c82680d60570b42211d111b85a0a02c3bce2f1
Full email verification for rbh.com
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