Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
tdktech.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 00:17:11 UTC · ↺ Refresh
MX Hostnames
- tdktech-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 52.72.137.247
- 52.20.218.24
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns3.dreamhost.com
ns1.dreamhost.com
ns2.dreamhost.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:24.182.156.18/29 ip4:76.235.88.16/28 include:spf.protection.outlook.com include:netblocks.dreamhost.com include:_spf.salesforce.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=0; pct=100; ri=86400; ruf=mailto:[email protected]; rua=mailto:[email protected];
~ 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: 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
5 records- Zxab3C4JaPg8crVvyOz5hs3CD+uNyq6QQ67+tyF1UcBTA5uoIeQMGRU7zdOuioAD1a8oN/JWGYRQJq+F9iqHUQ==
- facebook-domain-verification=qps4ceyjfmlubt7e33bozoethset8l
- google-site-verification=ojDEzc8NlWl7Ee41x96XAwuZMaMUsYxWoGFtaiilxQI
- SPFv=spf1 mx ip4:24.182.156.18/29 ip4:76.235.88.16/28 include:spf.protection.outlook.com include:netblocks.dreamhost.com include:_spf.salesforce.com -all
- MS=ms39313451
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