Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
thinkaos.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 08:49:46 UTC · ↺ Refresh
MX Hostnames
- thinkaos-com.mail.protection.outlook.com
MX Priorities
- thinkaos-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.88.135 (no PTR)
- 172.67.180.20 (no PTR)
- 2606:4700:3036::6815:5887
- 2606:4700:3034::ac43:b414
Mail Server IPs
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dayana.ns.cloudflare.com dns.cloudflare.com 2396211465 10000 2400 604800 1800
Primary NS (mname)
dayana.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396211465
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
yoxall.ns.cloudflare.com
dayana.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:69.85.199.0/29 mx ip4:167.89.73.249 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];ri=86400;fo=1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
2 records- facebook-domain-verification=0ta91giwn81q6ja49agxr0cmguoove
- SPFv=spf1 ip4:69.85.199.0/29 mx ip4:167.89.73.249 include:spf.protection.outlook.com -all
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