Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tcib.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 23:51:22 UTC · ↺ Refresh
MX Hostnames
- tcib-com.mail.protection.outlook.com
MX Priorities
- tcib-com.mail.protection.outlook.com: 10
A / AAAA Records
- 23.52.199.12 ↩ a23-52-199-12.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:483::9ef ↩ g2600-141b-1c00-0483-0000-0000-0000-09ef.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:48d::9ef
Mail Server IPs
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
a1-203.akam.net domainrequests.citizensbank.com 2020051516 3600 600 604800 300
Primary NS (mname)
a1-203.akam.net
Admin Email (rname)
domainrequests@citizensbank.com
Serial
2020051516
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
a22-67.akam.net
a13-64.akam.net
a1-203.akam.net
a20-66.akam.net
a18-65.akam.net
a9-64.akam.net
SPF Record
✓ Strict (-all)
v=spf1 include:_cfgspf.citizensbank.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
4 records- MS=ms48339291
- df381782-7a09-42d5-b226-130161b16965
- SPFv=spf1 include:_cfgspf.citizensbank.com include:spf.protection.outlook.com -all
- postman-domain-verification=0ccd8becf071bff9362cf4f57b1dad19b3ee1ae9b7e27329e2c1b84b28a47287c05117a90d2a869b50c7044c9abd3c7866d80d1f7d4a0a53b6cb63561e298caf
Full email verification for tcib.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits