Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
supplementalhealthcare.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 02:34:39 UTC · ↺ Refresh
MX Hostnames
- supplementalhealthcare-com.mail.protection.outlook.com
MX Priorities
- supplementalhealthcare-com.mail.protection.outlook.com: 10
A / AAAA Records
- 97.65.157.176 (no PTR)
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.1sourcing.net netops.ribbit.net 2025101601 10800 3600 777600 3600
Primary NS (mname)
dns1.1sourcing.net
Admin Email (rname)
netops@ribbit.net
Serial
2025101601
Refresh
10800s
Retry
3600s
Expire
777600s
Minimum TTL
3600s
Nameservers (NS)
dns1.1sourcing.net
dns2.1sourcing.net
dns3.1sourcing.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf-us.emailsignatures365.com include:smtpout.shccares.com include:sendgrid.net include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; sp=none; fo=0:1:d:s; ri=86400; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
7 records- lsshb46drfzq5x71fw7d9s9v0p0j15t2
- SPFv=spf1 include:spf-us.emailsignatures365.com include:smtpout.shccares.com include:sendgrid.net include:spf.protection.outlook.com -all
- _thukh7ja94hnusbn0lmatrcr8od3d2p
- docusign=29ed4bee-975e-4e01-8ac2-9ef473121ca5
- iSd4nQMElv8c5sEAQ7pi4AhnPYX2NXrCH92KxihXFoAXkGG0yEFa91COs5weQUufV6k11SWZ4Ma/lFx2sTk3Lg==
- vdvy88x0q6rbftf72vkh7vywx97rytj5
- g0fttccwgzxdnvxrqrfqm4kkxjkg2d9m
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