Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
mtstesters.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 22:47:05 UTC · ↺ Refresh
MX Hostnames
- mtstesters-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 3.33.251.168
- 15.197.225.128
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
pdns14.domaincontrol.com
pdns13.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:mailgun.org include:servers.mcsv.net include:spf.protection.outlook.com include:sendgrid.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._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
8 records- apple-domain-verification=wFHwCFIZeMH9VYq3
- google-gws-recovery-domain-verification=60415781
- MS=88FFE44BDB33C65B924A240E8E85B2812E3DE485
- MS=ms19481800
- SPFv=spf1 mx include:mailgun.org include:servers.mcsv.net include:spf.protection.outlook.com include:sendgrid.net -all
- DirectFedAuthUrl=https://login.microsoftonline.com/4acfad8a-3d11-429d-9f1f-e928d0771eda/saml2
- atlassian-domain-verification=4xkt1eEX9Ttl1FjWIbedbmEl03UjM2vQBCxGNwAFT3oV6RW5bMInGZhcHy5WkThT
- 7aKeOKgJTDasmWXothpyCtuDfnm0MO
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