Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
highsierrapools.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:42:42 UTC · ↺ Refresh
MX Hostnames
- highsierrapools-com.mail.protection.outlook.com
MX Priorities
- highsierrapools-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.5.185 (no PTR)
- 172.67.133.184 (no PTR)
- 2606:4700:3034::6815:5b9
- 2606:4700:3035::ac43:85b8
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
alex.ns.cloudflare.com dns.cloudflare.com 2396749757 10000 2400 604800 1800
Primary NS (mname)
alex.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396749757
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jill.ns.cloudflare.com
alex.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ptr:myregisteredsite.com ptr:registeredsite.com a:oxmail.networksolutionsemail.com include:spf.mandrillapp.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
5 records- uk46ba3sb8ei36qm8hn08mjk35
- SPFv=spf1 include:spf.protection.outlook.com ptr:myregisteredsite.com ptr:registeredsite.com a:oxmail.networksolutionsemail.com include:spf.mandrillapp.com ~all
- MS=ms91689798
- google-site-verification=xgkR6xL-f0220-fIH_GHO1lt3CZ6M7yddjQq83VQGEc
- jKI83cdtSFCFiJbAQmNJctFI1KPVhtou1e/6RAO3tSzxeRELTLxC82x3nRSvEB03BeDIoK5W1VujxNmc+SffSw==
Full email verification for highsierrapools.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits