Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dupuyoxygen.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 14:02:08 UTC · ↺ Refresh
MX Hostnames
- dupuyoxygen-com.mail.protection.outlook.com
MX Priorities
- dupuyoxygen-com.mail.protection.outlook.com: 0
A / AAAA Records
- 208.98.35.224 (no PTR)
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.site4now.net hostmaster.smarterasp.net 2025040201 10800 3600 777600 3600
Primary NS (mname)
ns1.site4now.net
Admin Email (rname)
hostmaster@smarterasp.net
Serial
2025040201
Refresh
10800s
Retry
3600s
Expire
777600s
Minimum TTL
3600s
Nameservers (NS)
ns2.site4now.net
ns1.site4now.net
ns3.site4now.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:167.89.8.12 include:sendgrid.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 ip4:167.89.8.12 include:sendgrid.net include:spf.protection.outlook.com ~all
- google-site-verification=yTpSDmRMdEHhxWhzAS41JIZk1MZLVh2H_USTcVkFmgs
- MS=ms89001910
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