Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gbtec.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 02:24:33 UTC · ↺ Refresh
MX Hostnames
- gbtec-com.mail.protection.outlook.com
MX Priorities
- gbtec-com.mail.protection.outlook.com: 0
A / AAAA Records
- 46.20.39.91 ↩ gbtec-web-prod.mobilistics.zone
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-55.awsdns-06.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-55.awsdns-06.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-55.awsdns-06.com
ns-890.awsdns-47.net
ns-1481.awsdns-57.org
ns-1873.awsdns-42.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:amazonses.com include:cust-spf.exacttarget.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=21600;fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- MS=ms40723745
- d365mktkey=1NAYL7IZ3xi47ksbfAEUkI7gov20vzapOjS57Qjna4Yx
- pardot1087003=20df6a97f3c58560675bc72d07b45b6241bd4a97ac33afab3aa436eb7fef42e6
- sending_domain1087003=96eef0d479b14b6b531d89cc042c18555375c93b2e12cf37dc361ea46f532faf
- SPFv=spf1 include:spf.protection.outlook.com include:amazonses.com include:cust-spf.exacttarget.com -all
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