Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
s3.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 20:00:42 UTC · ↺ Refresh
MX Hostnames
- s3-com-co.mail.protection.outlook.com
MX Priorities
- s3-com-co.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.128.214 (no PTR)
- 104.21.2.63 (no PTR)
- 2606:4700:3032::6815:23f
- 2606:4700:3036::ac43:80d6
Mail Server IPs
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
wanda.ns.cloudflare.com dns.cloudflare.com 2397880657 10000 2400 604800 1800
Primary NS (mname)
wanda.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397880657
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
wanda.ns.cloudflare.com
west.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ipzmarketing.com include:spf.protection.outlook.com include:zcsend.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; fo=1; adkim=r; aspf=r; pct=100
~ 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: 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- MS=ms26678368
- google-gws-recovery-domain-verification=66165315
- google-gws-recovery-domain-verification=66173732
- ms26678368.msv1.invalid
- n1kjdlmzgfz14fsd6vl5nt9yjy9qq9yz
- SPFv=spf1 include:spf.ipzmarketing.com include:spf.protection.outlook.com include:zcsend.net -all
- MS=99D63F6EB7DD3CA6CC21756E857011D3DC15FB23
Full email verification for s3.com.co
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