Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blockchaindevco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 00:59:21 UTC · ↺ Refresh
MX Hostnames
- blockchaindevco-com.mail.protection.outlook.com
MX Priorities
- blockchaindevco-com.mail.protection.outlook.com: 0
A / AAAA Records
- 65.181.111.252 ↩ s1378.use1.mysecurecloudhost.com
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.mysecurecloudhost.com servers.mysecurecloudhost.com 2026032501 3600 1800 1209600 86400
Primary NS (mname)
ns1.mysecurecloudhost.com
Admin Email (rname)
servers@mysecurecloudhost.com
Serial
2026032501
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.mysecurecloudhost.com
ns4.mysecurecloudhost.com
ns1.mysecurecloudhost.com
ns3.mysecurecloudhost.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:65.181.111.252 include:spf.mysecurecloudhost.com ip4:198.38.89.87 include:spf.antispamcloud.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- MS=ms71661615
- SPFv=spf1 ip4:65.181.111.252 include:spf.mysecurecloudhost.com ip4:198.38.89.87 include:spf.antispamcloud.com include:spf.protection.outlook.com -all
- apple-domain-verification=vt3C6TvV7llNkpDc
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