Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gbrx.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 12:13:26 UTC · ↺ Refresh
MX Hostnames
- gbrx-com.mail.protection.outlook.com
MX Priorities
- gbrx-com.mail.protection.outlook.com: 10
A / AAAA Records
- 52.200.170.1 ↩ ec2-52-200-170-1.compute-1.amazonaws.com
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-34.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-34.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-34.azure-dns.net
ns3-34.azure-dns.org
ns4-34.azure-dns.info
ns1-34.azure-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:12.229.129.10 ip4:12.229.129.9 ip4:209.141.208.234 ip4:206.55.148.78 ip4:206.55.148.79 include:spf.protection.outlook.com include:spf.hosting.protera.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
11 records- pardot667653=bd2a470a8ba520b1ef05149da8b02682dfe99054ecd2de740ae6f7980bb7a721
- webexdomainverification.4c675b8b2822b136e053ab06fc0a3f65=3c136f33-7d8e-43fd-9bd4-ece53277a2ea
- _qyxdtdfjd7yau7j576l513ekk2ys6hd
- SPFv=spf1 a mx ip4:12.229.129.10 ip4:12.229.129.9 ip4:209.141.208.234 ip4:206.55.148.78 ip4:206.55.148.79 include:spf.protection.outlook.com include:spf.hosting.protera.com ~all
- amazonses:pop0cg4uhmw9c8ifbyeiuif09zbrrq/h+vqcyj6s9wq=
- apple-domain-verification=soehjovtbvkbui37
- cisco-ci-domain-verification=4a9f515f89bd3210509b04fc3b817566593e51431490b0ec59c9e89e91bb9a53
- google-site-verification=tihdefoctm_f4mr8xy-ahzpvd0xfs307gkr0cplwqng
- mongodb-site-verification=qxnyn6dudjrndssx6cck51jxhen3lcyy
- ms=ms91394723
- pardot667653=b936abc9dc82595922403b33ba6fd9b2ba3dd53fbc6a0a9ff6734cd260242ddb
Full email verification for gbrx.com
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