Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blockcommunications.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 13:10:01 UTC · ↺ Refresh
MX Hostnames
- blockcommunications-com.mail.protection.outlook.com
MX Priorities
- blockcommunications-com.mail.protection.outlook.com: 10
A / AAAA Records
- 172.191.157.99 (no PTR)
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.buckeyecom.net hostmaster.buckeye-access.com 2025111901 86400 300 1209600 3600
Primary NS (mname)
ns1.buckeyecom.net
Admin Email (rname)
hostmaster@buckeye-access.com
Serial
2025111901
Refresh
86400s
Retry
300s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns3.buckeyecom.net
ns1.buckeyecom.net
ns2.buckeyecom.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:72.240.36.32/27 ip4:72.240.1.246 ip4:192.254.121.248 ip4:208.84.248.11 ip4:52.203.41.93 ip4:208.84.251.130 ip4:206.166.216.218 ip4:206.166.218.133 include:spf.protection.outlook.com include:spf.us.exclaimer.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- SPFv=spf1 mx ip4:72.240.36.32/27 ip4:72.240.1.246 ip4:192.254.121.248 ip4:208.84.248.11 ip4:52.203.41.93 ip4:208.84.251.130 ip4:206.166.216.218 ip4:206.166.218.133 include:spf.protection.outlook.com include:spf.us.exclaimer.net -all
- JAHpkJ1xbkHwV2/qwO+pbvplWTJSqPPwDOHO8VhjQBBKmQu816LrkKjUNWlwjmd9bONqWJrJUMPP2o5R3V84QQ==
- atlassian-domain-verification=U3YyNr2RuRQaqX25Mhyebzgh0cCD84rWRTm5FjTTdVhAOS4V4u0mqq75fef5Sd6w
- successfactors-site-verification=NTM3MGRiNjU3YWM3NmNjYWU5MzJhMDY5ZDQzZmNhY2RmZTQwYWZjNDRkMjVjNTMxM2E4ODU0NDk5MjQyNjhjZg==
- MS=ms73320582
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