Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gmcvb.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 20:49:57 UTC · ↺ Refresh
MX Hostnames
- gmcvb-com.mail.protection.outlook.com
MX Priorities
- gmcvb-com.mail.protection.outlook.com: 0
A / AAAA Records
- 20.49.104.55 (no PTR)
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-07.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-07.azure-dns.net
ns3-07.azure-dns.org
ns4-07.azure-dns.info
ns1-07.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.simpleviewinc.com include:_spf.act-on.net include:spf_ip_softfail.gmcvb.com include:spf_ip_neutral.gmcvb.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; sp=none
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ 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- google-site-verification=a5W0OH7ozfq1MrPgqenVjifQA_hHG6dsTYzfyuGJIog
- 6jkspt1qbh7ve2n8pa4gh5nhga
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.simpleviewinc.com include:_spf.act-on.net include:spf_ip_softfail.gmcvb.com include:spf_ip_neutral.gmcvb.com -all
- google-site-verification=TSNY-kzdlgEmGSnFIXfyh_2zc1G2EIfaPEYv4GI0Iok
- mandrill_verify.6UQH9fnVBJGKIxOpNvZVJg
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