Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gcrtires.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 19:52:53 UTC · ↺ Refresh
MX Hostnames
- gcrtires-com.mail.protection.outlook.com
MX Priorities
- gcrtires-com.mail.protection.outlook.com: 0
A / AAAA Records
- 34.236.115.163 ↩ ec2-34-236-115-163.compute-1.amazonaws.com
- 34.202.154.242 ↩ ec2-34-202-154-242.compute-1.amazonaws.com
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.hexonet.net domain.master.brights.jp 2025110701 28800 7200 604800 14400
Primary NS (mname)
ns1.hexonet.net
Admin Email (rname)
domain@master.brights.jp
Serial
2025110701
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
14400s
Nameservers (NS)
ns1.hexonet.net
ns3.hexonet.net
ns2.hexonet.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfa.protection.bfusa.com include:spfb.protection.bfusa.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
4 records- MS=ms72124063
- MS=ms47553475
- _globalsign-domain-verification=DCIxLeaxrmE9Wi8pJO85qryBWOdZenfVKDMh-7gOii
- SPFv=spf1 include:spf.protection.outlook.com include:spfa.protection.bfusa.com include:spfb.protection.bfusa.com -all
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