Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sjsuk.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 06:14:34 UTC · ↺ Refresh
MX Hostnames
- sjsuk-co-uk.mail.protection.outlook.com
MX Priorities
- sjsuk-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 35.214.3.142 ↩ 142.3.214.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.websupport.cz admin.websupport.cz 1749649452 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1749649452
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.websupport.cz
ns3.websupport.eu
ns1.websupport.cz
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com ip4:217.33.193.30 include:spf.messagelabs.com ip4:87.98.254.37 ip4:149.202.72.233 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=gJqPMtF4QNar6Xf-TBeeYMOeEXXNJ9R7Rr2ynMkksfY
- Y8VkhO/7QhXECZC20uovNFJTfEj0hz9sPulJG7ttZcoPtaDmQwHq8h934wzXFKmcmNMP9j4rhqHa62X0z8jumA==
- atlassian-domain-verification=9NmBfcia3Aka39Wp5Hq7SE/8a0nV1cArBdaFdTCcgjkBPEp1Vx/YT6yTaHuJjtaN
- SPFv=spf1 mx include:spf.protection.outlook.com ip4:217.33.193.30 include:spf.messagelabs.com ip4:87.98.254.37 ip4:149.202.72.233 -all
- 35.214.3.142
- MS=ms80627882
- ro0bdbe92lkeq41c1cbosl6fjf
- vjpdm370lrtlusbses5ps2pse8
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