Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
one618co.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 18:08:09 UTC · ↺ Refresh
MX Hostnames
- one618co-com.mail.protection.outlook.com
MX Priorities
- one618co-com.mail.protection.outlook.com: 0
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
SOA Record
Raw SOA
ns-988.awsdns-59.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-988.awsdns-59.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1322.awsdns-37.org
ns-1739.awsdns-25.co.uk
ns-492.awsdns-61.com
ns-988.awsdns-59.net
SPF Record
✓ Strict (-all)
v=spf1 a mx mx:mail.one618co.com mx:mx2.one618co.com ip4:200.45.88.108 ip4:198.50.206.148 include:spf.protection.outlook.com +include:server.mscv.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- p9r86rvgbmujqfll9hjj0ba1im
- slack-domain-verification=VA1c9LLGjoovWwHXU4yzXIbofREo29qfOlOYOwcM
- SPFv=spf1 a mx mx:mail.one618co.com mx:mx2.one618co.com ip4:200.45.88.108 ip4:198.50.206.148 include:spf.protection.outlook.com +include:server.mscv.net -all
- anthropic-domain-verification-35z7nz=Ew1qPdCcuMRNQ3aPYMkR7uTQ3
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