Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ntta.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 06:48:22 UTC · ↺ Refresh
MX Hostnames
- primary.us.email.fireeyecloud.com
- alt1.us.email.fireeyecloud.com
- alt3.us.email.fireeyecloud.com
- alt2.us.email.fireeyecloud.com
MX Priorities
- alt3.us.email.fireeyecloud.com: 13
- primary.us.email.fireeyecloud.com: 10
- alt1.us.email.fireeyecloud.com: 11
- alt2.us.email.fireeyecloud.com: 12
A / AAAA Records
- 45.223.174.11 (no PTR)
- 45.223.162.11 (no PTR)
Mail Server IPs
- 3.93.93.51 ↩ mx.us.email.fireeyecloud.com
- 34.223.36.121 ↩ mx.us.email.fireeyecloud.com
- 34.223.36.122 ↩ mx.us.email.fireeyecloud.com
- 3.93.93.52 ↩ mx.us.email.fireeyecloud.com
- 34.223.36.123 ↩ mx.us.email.fireeyecloud.com
- 3.93.93.53 ↩ mx.us.email.fireeyecloud.com
SOA Record
Raw SOA
cbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 253 10800 3600 604800 86400
Primary NS (mname)
cbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
253
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 ip4:208.189.92.32 ip4:208.189.92.33 ip4:208.189.92.34 ip4:208.189.92.35 ip4:208.189.92.197 include:spf.protection.outlook.com include:icpbounce.com include:spf1.espview.com include:sparkpostmail.com a:c.spf.service-now.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
19 records- docusign=0d4c5527-9865-40ac-adf3-50b5061dfc45
- MS=ms70206369
- globalsign-domain-verification=5B9D93373F4658B243564C5C32CAF269
- teamviewer-sso-verification=567b038382634e2eae60bd6df63a6a46
- detectify-verification=1ed022e5c6d83ca57a746dcd61191ee9
- LPIrn9YsOqIw8FNiqZcNVeoNEyZ/M1+aNadx7tXsHpBReDwXEP7k7Hqp+eNZNyN4kMzQDwA4iBbnht0Z3N1rmw==
- intersight=082efa6fde365ad07d1d72b40ff473580f6ae5bbb3f7d4fe03802ead96f039a6
- apple-domain-verification=7gG4Zq26XDclpFg1
- AFAysZ6drOAGVB46L1V8p1nEPPg3VXTkTyk0oP36hlD+clfNOXdRND27V8e6x/eDGGxo8MKVF9cgnabuPc23FQ==
- MS=ms22011995
- iContact1933109
- docusign=fd4f0d88-6f00-4712-a00b-0d81b9c194ff
- google-site-verification=8ivz6nJPP2BIQPSsayGbdVF8Pr6Wtcn5JkuJ9DlTdX8
- google-site-verification=uHFvmgkuKncYONQSMn33gjVkM3GwvBs4jz2tEG5Fg9o
- paloaltonetworks-site-verification=72782095849bafde1906fdcbb1d25d403f0baeb2d705e2cbb8a77ac22449bbb4
- vmware-cloud-verification-0d65b4f3-2aca-4e9c-b7f6-d610d18853f3
- SPFv=spf1 ip4:208.189.92.32 ip4:208.189.92.33 ip4:208.189.92.34 ip4:208.189.92.35 ip4:208.189.92.197 include:spf.protection.outlook.com include:icpbounce.com include:spf1.espview.com include:sparkpostmail.com a:c.spf.service-now.com ~all
- iContact1787764
- cisco-ci-domain-verification=24a54c219f535d51bbc0ee7cfad2700f55299619c94468ec85d5675dca91124f
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