Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firstar-bank.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 02:32:27 UTC · ↺ Refresh
MX Hostnames
- firstarbank-com01i.mail.protection.outlook.com
MX Priorities
- firstarbank-com01i.mail.protection.outlook.com: 0
A / AAAA Records
- 161.199.217.43 (no PTR)
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns61.domaincontrol.com dns.jomax.net 2026020400 28800 7200 604800 3600
Primary NS (mname)
ns61.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns61.domaincontrol.com
ns62.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:64.106.214.50 ip4:205.201.133.57 ip4:192.226.100.98 ip4:12.165.112.51 ip4:12.165.112.53 ip4:199.186.59.25 include:_spf.createsend.com include:_spf.sendergen.com include:spf.protection.outlook.com include:spfhost.messageprovider.com include:relay.mailchannels.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
7 records- docusign=643e3fd8-4baf-4c2a-8810-32d7b2e89cdb
- MS=ms22726884
- linkedin-site-verification=5e443b6a-310c-4d6c-ace0-98b227f2c9dc
- SPFv=spf1 ip4:64.106.214.50 ip4:205.201.133.57 ip4:192.226.100.98 ip4:12.165.112.51 ip4:12.165.112.53 ip4:199.186.59.25 include:_spf.createsend.com include:_spf.sendergen.com include:spf.protection.outlook.com include:spfhost.messageprovider.com include:relay.mailchannels.net -all
- 90e031f1-31ff-4901-912a-a00853e929a7
- MS=6D4E4ADD9CD2CA94B3910C2677FD69D32EEBF3FB
- adobe-idp-site-verification=6cceefb531910fa70ea361ede32939096d57676a9235f8db33590cff1be64484
Full email verification for firstar-bank.com
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