Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
understooduk.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 23:18:33 UTC · ↺ Refresh
MX Hostnames
- understooduk-com.mail.protection.outlook.com
MX Priorities
- understooduk-com.mail.protection.outlook.com: 0
A / AAAA Records
- 62.100.206.62 ↩ server.dcoed.com
Mail Server IPs
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.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
SOA Record
Raw SOA
ns27.domaincontrol.com dns.jomax.net 2024030600 28800 7200 604800 600
Primary NS (mname)
ns27.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024030600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns27.domaincontrol.com
ns28.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com ip4:62.100.206.62 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- MS=ms65540745
- SPFv=spf1 include:servers.mcsv.net include:spf.protection.outlook.com ip4:62.100.206.62 -all
- google-site-verification=Y64T5iE8boHoFu-Fuat8i-30gezetzuGhkiVLKHU14I
Full email verification for understooduk.com
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