Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grade3ltd.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 23:44:44 UTC · ↺ Refresh
MX Hostnames
- grade3ltd-com.mail.protection.outlook.com
MX Priorities
- grade3ltd-com.mail.protection.outlook.com: 10
A / AAAA Records
- 35.172.94.1 ↩ staticip.multiscreensite.com
- 100.24.208.97 ↩ staticip2.multiscreensite.com
Mail Server IPs
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.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:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns11.cloudns.net support.cloudns.net 2025090202 7200 1800 1209600 3600
Primary NS (mname)
ns11.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2025090202
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
pns11.cloudns.net
pns14.cloudns.net
pns13.cloudns.net
pns12.cloudns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:87.102.80.6 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- tes1l9qptkc6rcllclaggachkd
- 52vddlutf0pse0gv8sqbffs0v5
- SPFv=spf1 ip4:87.102.80.6 include:spf.protection.outlook.com -all
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