Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firstcommunity.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 02:15:24 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 162.159.130.6 (no PTR)
- 162.159.133.6 (no PTR)
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
cbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 198 10800 3600 604800 86400
Primary NS (mname)
cbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
198
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
cbru.br.ns.els-gms.att.net
cmtu.mt.ns.els-gms.att.net
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=4e5bru66._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
11 records- monday-com-verification=bcTNq2wIEls822IBwkX2EUn0IKqvwCheGlToCrE0Xus
- MS=E59F92AE5E854FD196AF9C161E28E6917A072ECC
- MS=ms16362340
- cisco-ci-domain-verification=4dfb661ec8c3b01ce6217522a60b94711b812b35bd30eb59b3d5b57fad391e04
- duo_sso_verification=yK53W7IWsxCCVjolRE5C3Rr0cG7EAd5qBEwP2WJMgirdsaGkzvkyHCpIJWzgZo0Z
- SPFv=spf1 redirect=4e5bru66._spf._d.mim.ec
- site24x7-signals-domain-verification=cfa81210c0ed16a0c9c02af1ff5661ca
- zoho-verification=zb47333723.zmverify.zoho.com
- zoho-verification=zb01691023.zmverify.zoho.com
- _dw3ofsjjxg7rrsdetcwkn25xc23u3mo
- 0ed1fe018ad84001682b154f429914de5e53651505
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