Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cts-1.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 09:11:43 UTC · ↺ Refresh
MX Hostnames
- cts1-com0i.mail.protection.outlook.com
MX Priorities
- cts1-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 172.66.43.65 (no PTR)
- 172.66.40.191 (no PTR)
- 2606:4700:3108::ac42:2b41
- 2606:4700:3108::ac42:28bf
Mail Server IPs
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
deborah.ns.cloudflare.com dns.cloudflare.com 2399597431 10000 2400 604800 1800
Primary NS (mname)
deborah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399597431
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
deborah.ns.cloudflare.com
milan.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com include:mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
k1._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
4 records- apple-domain-verification=Kz002DMRTWICobRb
- duo_sso_verification=ILU1KaMFTchXmxJLuRJDRV320RkUI5AiItsL4Sy8tsp0HLe9TnaaFpCNk9VRfX5S
- ms-domain-verification=efbcfab9-6918-4432-b38a-c3d4e5c0583e
- SPFv=spf1 include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com include:mailgun.org ~all
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