Domain Overview
DNS: ✓ just now
Checker: ✓ just now
thinkdelta.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 22:29:44 UTC · ↺ Refresh
MX Hostnames
- thinkdelta-com.mail.protection.outlook.com
MX Priorities
- thinkdelta-com.mail.protection.outlook.com: 10
A / AAAA Records
- 188.240.191.169 ↩ server69.interdns.co.uk
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.ukfast.net geoff.barratt.delta-comtech.co.uk 2025070201 7200 3600 3600 3600
Primary NS (mname)
ns0.ukfast.net
Admin Email (rname)
geoff@barratt.delta-comtech.co.uk
Serial
2025070201
Refresh
7200s
Retry
3600s
Expire
3600s
Minimum TTL
3600s
Nameservers (NS)
ns0.ukfast.net
ns1.ukfast.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:amazonses.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- MS=ms88629795
- SPFv=spf1 include:spf.protection.outlook.com include:amazonses.com -all
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