Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blockfills.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 17:35:54 UTC · ↺ Refresh
MX Hostnames
- blockfills-com.mail.protection.outlook.com
- us1-smtp-mx2.titanhq.com
- us1-smtp-mx1.titanhq.com
MX Priorities
- blockfills-com.mail.protection.outlook.com: 3600
- us1-smtp-mx1.titanhq.com: 0
- us1-smtp-mx2.titanhq.com: 0
A / AAAA Records
- 34.200.212.0
Mail Server IPs
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 18.225.12.231 ↩ us1-smtp-mx1.titanhq.com
- 18.218.73.72 ↩ us1-smtp-mx1.titanhq.com
- 18.116.252.179
SOA Record
Raw SOA
ns-732.awsdns-27.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-732.awsdns-27.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1527.awsdns-62.org
ns-1943.awsdns-50.co.uk
ns-237.awsdns-29.com
ns-732.awsdns-27.net
SPF Record
✓ Strict (-all)
v=spf1 include:zcsend.net include:spf.protection.outlook.com include:spf.mandrillapp.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:zcsend.net include:spf.protection.outlook.com include:spf.mandrillapp.com -all
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