Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firstcoloradobank.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 06:51:15 UTC · ↺ Refresh
MX Hostnames
- firstcoloradobank-com.mail.protection.outlook.com
MX Priorities
- firstcoloradobank-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.40.204 (no PTR)
- 172.64.147.52 (no PTR)
- 2606:4700:4406::ac40:9334
- 2606:4700:4402::6812:28cc
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.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
SOA Record
Raw SOA
ns1.jh-cf.com dns.cloudflare.com 2396966816 10000 2400 604800 1800
Primary NS (mname)
ns1.jh-cf.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396966816
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns1.jh-cf.com
ns2.jh-cf.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:66.254.159.128/25 ip4:205.196.255.128/25 include:spf.protection.outlook.com include:spfref.jackhenry.com include:mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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
3 records- SPFv=spf1 ip4:66.254.159.128/25 ip4:205.196.255.128/25 include:spf.protection.outlook.com include:spfref.jackhenry.com include:mailgun.org ~all
- wz4310kfwcwwf9t66zqs2r5bpbvfh1xl
- MS=ms98598238
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