Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optimumenergyco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 00:39:35 UTC · ↺ Refresh
MX Hostnames
- optimumenergyco-com.mail.protection.outlook.com
MX Priorities
- optimumenergyco-com.mail.protection.outlook.com: 5
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-cloud-e1.googledomains.com cloud-dns-hostmaster.google.com 99 21600 3600 259200 300
Primary NS (mname)
ns-cloud-e1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
99
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-e2.googledomains.com
ns-cloud-e3.googledomains.com
ns-cloud-e4.googledomains.com
ns-cloud-e1.googledomains.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com ip4:168.245.70.20 ip4:216.168.57.82 include:_spf.act-on.net include:spf-westus.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- duo_sso_verification=ICyQOcLhSOrVQch0yiLlpYg7yRjigtNca9xXXnOmZNnDBurWRD1MQgPYOrlFHeGi
- google-site-verification=I4_234C6KCws-5gkOKDsAS96nyG6U8t-3rQyKhUR26U
- ZOOM_verify_wdUbRUQOLOxZbBZQQdl8Qm
- apple-domain-verification=MsfNM9Zkl45rFCTs
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com ip4:168.245.70.20 ip4:216.168.57.82 include:_spf.act-on.net include:spf-westus.emailsignatures365.com -all
- google-site-verification=5nhDZw2U5vKK633zYLeA8c6LBLS49fAjyYdqVxnj0A8
- google-site-verification=76Hx9V62Kc4kP7GUm99xQz5yVtiw-fqUxfiD-fSHEkM
- twilio-domain-verification=ac18c124f524265375597e61245f301a
- google-site-verification=Oe13CgnUQZXybkqVVQ9dFouY5qQjHkmu1Y0Fenj6fZY
- autodesk-domain-verification=3QMwZf8pykbEIUqjjpak
- google-site-verification=cta3yf6VEoCZsoGMCFlzmG7yJQh6pK0lFZXz8bpKzNU
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