Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
iycsa.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 11:44:09 UTC · ↺ Refresh
MX Hostnames
- iycsa-com-co.mail.protection.outlook.com
MX Priorities
- iycsa-com-co.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.4 (no PTR)
- 199.60.103.104 (no PTR)
Mail Server IPs
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
lily.ns.cloudflare.com dns.cloudflare.com 2400130443 10000 2400 604800 1800
Primary NS (mname)
lily.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400130443
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sonny.ns.cloudflare.com
lily.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:6311103.spf05.hubspotemail.net include:spf.netsuite.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
~ 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
3 records- SPFv=spf1 include:spf.protection.outlook.com include:6311103.spf05.hubspotemail.net include:spf.netsuite.com -all
- MS=ms76280773.
- google-site-verification=MArUMZuiskIcLLzk7ZRQ4iPfoa66vW2TdL4jRfxM0sY
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