Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
4mergers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 05:22:38 UTC · ↺ Refresh
MX Hostnames
- 4mergers-com.mail.protection.outlook.com
MX Priorities
- 4mergers-com.mail.protection.outlook.com: 0
A / AAAA Records
- 34.174.99.12 ↩ 12.99.174.34.bc.googleusercontent.com
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.siteground.net dnsadmin.serv01.us22.siteground.us 2020010378 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
dnsadmin@serv01.us22.siteground.us
Serial
2020010378
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.siteground.net
ns2.siteground.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:4mergers.com.spf.auto.dnssmarthost.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms88694483
- 27.02.2024
- SPFv=spf1 include:spf.protection.outlook.com include:4mergers.com.spf.auto.dnssmarthost.net -all
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