Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
ncsc.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 14:12:41 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
- 34.226.46.235 ↩ ec2-34-226-46-235.compute-1.amazonaws.com
- 34.238.11.122 ↩ ec2-34-238-11-122.compute-1.amazonaws.com
- 54.89.106.200 ↩ ec2-54-89-106-200.compute-1.amazonaws.com
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
dbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 184 10800 3600 604800 86400
Primary NS (mname)
dbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
184
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dmtu.mt.ns.els-gms.att.net
dbru.br.ns.els-gms.att.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:_spf.qualtrics.com include:sendgrid.net ip4:207.97.230.43 ip4:207.97.230.13 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=r; adkim=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
11 records- m020dclmdg876f7f1gbk28uuen
- vu0tgork1vj9m651130hrona76
- google-site-verification=WrClIQb7cPswaaQq0ge__V8lI4TKubpC9RqfxCq1C1c
- have-i-been-pwned-verification=24f599a0f0121f182f8ee186e4ddfcee
- agohaf30mkkdi4k1gaapqmi2of
- iContact1319364
- md9hmq1v2j1iq72eqd7tp36h9c
- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:_spf.qualtrics.com include:sendgrid.net ip4:207.97.230.43 ip4:207.97.230.13 ~all
- MS=ms66859989
- mimecast20180801._domainkey.ncsc.org
- facebook-domain-verification=t6jauolj0wj4e9fs0xy6shclc0qnns
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