Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sentrex.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 21:41:54 UTC · ↺ Refresh
MX Hostnames
- sentrex-co-uk.mail.protection.outlook.com
MX Priorities
- sentrex-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 34.149.120.3 ↩ 3.120.149.34.bc.googleusercontent.com
- 34.120.190.48 ↩ 48.190.120.34.bc.googleusercontent.com
- 34.149.36.179
- 34.160.17.71
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.siteground.net dnsadmin.uk30.siteground.eu 2020061382 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
dnsadmin@uk30.siteground.eu
Serial
2020061382
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.siteground.net
ns1.siteground.net
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_svo4y6dmx.sdmarc.net
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; ri=14400; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
default._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
3 records- intacct-esk=0D1903368B6E77D7E0634A06410A5FB8
- SPFv=spf1 redirect=_svo4y6dmx.sdmarc.net
- google-site-verification=JDE5CqV_ETlMdwP4ul8M_nYF6uGL9qlJVnaXlNT4CDc
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