Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sandler.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 00:57:13 UTC · ↺ Refresh
MX Hostnames
- sandler-com.mail.protection.outlook.com
MX Priorities
- sandler-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.212.1.111 ↩ 111.1.212.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1340.awsdns-39.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1340.awsdns-39.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-753.awsdns-30.net
ns-1340.awsdns-39.org
ns-1951.awsdns-51.co.uk
ns-66.awsdns-08.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.hubspotemail.net include:_spf.qualtrics.com include:_u.sandler.com._spf.dmarcld.com include:sendgrid.net include:19992951.spf02.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=0;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
8 records- google-site-verification=QGaYyHyrKOKplKEaPb_K1-jGa3-UazG9UkTwaWzF4gQ
- google-site-verification=h3e7OGWBVhh5Je4BsT_mcuOLqsZ-0_zjFnVClsANmOI
- google-site-verification=jzHCts5HlCSP9AJXO6B0tlQgRmy9NAKE3coHNIh9Ulo
- qb6KUJkZVi86gpuYrcNry/ANHoy9R+nuMLhMEm/7IuL3ik7XG6TdlAaV+9EQEmG8f9Z5uaAyXvQAP2nk7uvYgg==
- ugfvsu5s2eou4pk9d355553gp0
- SPFv=spf1 include:_spf.hubspotemail.net include:_spf.qualtrics.com include:_u.sandler.com._spf.dmarcld.com include:sendgrid.net include:19992951.spf02.hubspotemail.net -all
- _globalsign-domain-verification=eDUNe77Q6c3dE47FeAx_4gZUoRiIsQvVuH0shwadUS
- google-site-verification=6cb8u2aNQNGGq9ylNgozhuhhxOPU_NvEX03-fvNmRPg
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