Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coloradodefenders.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:45:57 UTC · ↺ Refresh
MX Hostnames
- coloradodefenders-us.mail.protection.outlook.com
MX Priorities
- coloradodefenders-us.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1770221167 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1770221167
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns2.registrar-servers.com
dns1.registrar-servers.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.legalserver.org -all ip4:50.58.53.102
📊 DNS lookups: 2/10
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
9 records- dropbox-domain-verification=4ocp6dirdkut
- dropbox-domain-verification=zy0mrepm7r2m
- 0ed1fe018a0f72ce7fad7b459e9f5b18a81c0bfb0f
- apple-domain-verification=PcneuJbhdJMPHJXZ
- MS=3E20FFB8774511A1DD5CC2EA5717F92A684BEED6
- google-site-verification=r7tchRbYXHZxwm5Lmm_tGC_N7O5ikIEQEHJJFbLOYVE
- kkreZG6Bts0UpI55xAuI/OIFHEr3e1IYeCiRPEv5bKgOu6nptvEIEhi0kLy5I1l1ncpv+Nxt4RPvArBHlntYXQ==
- adobe-idp-site-verification=4e9786db241e6bf7a2c6a3ecd95c29e1443916c3c294ad64e398b3916fcfa6a8
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.legalserver.org -all ip4:50.58.53.102
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