Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
irmco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 15:43:56 UTC · ↺ Refresh
MX Hostnames
- irmco-com.mail.protection.outlook.com
MX Priorities
- irmco-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.237.176.22 ↩ 22.176.237.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
SOA Record
Raw SOA
ns39.worldnic.com namehost.worldnic.com 124080515 10800 3600 604800 3600
Primary NS (mname)
ns39.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
124080515
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns40.worldnic.com
ns39.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:96.90.112.129 ip4:75.41.116.65 include:spf.protection.outlook.com include:_spf.salesforce.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- MS=ms69699238
- te18lcoq34uc4h50qe90ejdut8
- SPFv=spf1 ip4:96.90.112.129 ip4:75.41.116.65 include:spf.protection.outlook.com include:_spf.salesforce.com -all
- 3rg7c88v0efjs4978uopp05hcf
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