Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gtrebol.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 20:48:26 UTC · ↺ Refresh
MX Hostnames
- gtrebol-com.mail.protection.outlook.com
- gtrebol.in.tmes.trendmicro.com
MX Priorities
- gtrebol.in.tmes.trendmicro.com: 5
- gtrebol-com.mail.protection.outlook.com: 10
A / AAAA Records
- 200.57.21.68
Mail Server IPs
- 18.208.22.77 ↩ in.tmes.trendmicro.com
- 18.208.22.80 ↩ in.tmes.trendmicro.com
- 18.208.22.78 ↩ in.tmes.trendmicro.com
- 18.208.22.79 ↩ in.tmes.trendmicro.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902::2
- 2a01:111:f403:c931::1
SOA Record
Raw SOA
ns1.mydyndns.org zone-admin.dyndns.com 2025081410 10800 1800 604800 1800
Primary NS (mname)
ns1.mydyndns.org
Admin Email (rname)
zone-admin@dyndns.com
Serial
2025081410
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns1200.dns.dyn.com
ns4174.dns.dyn.com
ns3149.dns.dyn.com
ns2136.dns.dyn.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:200.57.21.70 ip4:189.199.232.174 ip4:18.208.22.77 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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=ms89059437
- SPFv=spf1 a mx ip4:200.57.21.70 ip4:189.199.232.174 ip4:18.208.22.77 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com -all
- MS=1C75B0B7001E29761A2F71D395837E7C93257FC5
- tmes=54c044477f7d9c815829af4045e9c703
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