Domain Overview
DNS: ✓ 4h ago
Checker: ✓ 4h ago
roundtriphealth.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 08:42:35 UTC · ↺ Refresh
MX Hostnames
- roundtriphealth-com.mail.protection.outlook.com
MX Priorities
- roundtriphealth-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1520.awsdns-62.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1520.awsdns-62.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-770.awsdns-32.net
ns-1520.awsdns-62.org
ns-1650.awsdns-14.co.uk
ns-423.awsdns-52.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:2543319.spf10.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
9 records- SPFv=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:2543319.spf10.hubspotemail.net -all
- v=verifydomain MS=ms29213237
- 2543319.spf10.hubspotemail.net
- anthropic-domain-verification-vmbby1=Rf4GSVDJe9rbOhC31B9rDJPlu
- apple-domain-verification=poQSLn68kEveC1OB
- google-site-verification=6m8yclWSlWw2HjWqlpefKlHs1sde-u1q48KDbPlb1Sk
- slack-domain-verification=ImlKvmCzOVfsoO13YkVFF333huyXF0WXaRO2OmtL
- stripe-verification=1E55991CD7F9A91487100047A43484DDF3D076023310EC02DEA7BDA6263C7F67
- stripe-verification=6BBAD3175C85C5FD2B7E4577F1EBEADEDDC9756B481545CD6FC3E75A79D14525
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