Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optimumaccounting.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 19:15:19 UTC · ↺ Refresh
MX Hostnames
- optimumaccounting-org.mail.protection.outlook.com
MX Priorities
- optimumaccounting-org.mail.protection.outlook.com: 0
A / AAAA Records
- 45.79.86.106 ↩ rack19.fast-web-servers.com
Mail Server IPs
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.fast-web-servers.com hostmaster.optimumaccounting.org 2025102800 3600 3600 1209600 86400
Primary NS (mname)
ns3.fast-web-servers.com
Admin Email (rname)
hostmaster@optimumaccounting.org
Serial
2025102800
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.fast-web-servers.com
ns4.fast-web-servers.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:45.79.86.106 ip6:2600:3c01:e000:aaa::2 include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine
~ 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: 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
3 records- 1password-site-verification=SDLBFJAWEJBR3MKX7POR2IRBDY
- SPFv=spf1 a mx ip4:45.79.86.106 ip6:2600:3c01:e000:aaa::2 include:spf.protection.outlook.com ~all
- MS=ms28868500
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