Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
transguardgroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 15:17:11 UTC · ↺ Refresh
MX Hostnames
- transguardgroup-com.mail.protection.outlook.com
MX Priorities
- transguardgroup-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.140.115.53 ↩ ec2-3-140-115-53.us-east-2.compute.amazonaws.com
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-528.awsdns-02.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-528.awsdns-02.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1323.awsdns-37.org
ns-1560.awsdns-03.co.uk
ns-264.awsdns-33.com
ns-528.awsdns-02.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:94.207.37.171 ip4:83.111.189.23 ip4:83.111.189.24 ip4:83.111.189.26 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf_c.oraclecloud.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
2 records- teamviewer-sso-verification=6d5ae5ae4da8486b839583eaa9b5f173
- SPFv=spf1 ip4:94.207.37.171 ip4:83.111.189.23 ip4:83.111.189.24 ip4:83.111.189.26 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf_c.oraclecloud.com -all
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