Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gsbdigital.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 16:31:45 UTC · ↺ Refresh
MX Hostnames
- gsbdigital-com.mail.protection.outlook.com
MX Priorities
- gsbdigital-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-33.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-33.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-33.azure-dns.net
ns3-33.azure-dns.org
ns4-33.azure-dns.info
ns1-33.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:72.22.186.42 include:spf.protection.outlook.com include:sendgrid.net include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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- 9i7i0g054bdckkrlumdsmg1isj
- SPFv=spf1 ip4:72.22.186.42 include:spf.protection.outlook.com include:sendgrid.net include:_spf.salesforce.com -all
- wpe-verification=gsbdigitalprd
- _globalsign-domain-verification=-g5ySm86BrymYFUbDqwYSSdZNX2nkmgG3OSNWM77dD
- google-site-verification=I4Xial1-IbZq_Nhcmqep4vMJLsjozELS8Z7OEfJTRCY
Full email verification for gsbdigital.com
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