Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rockharbor.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:00:57 UTC · ↺ Refresh
MX Hostnames
- rockharbor-org.mail.protection.outlook.com
MX Priorities
- rockharbor-org.mail.protection.outlook.com: 10
A / AAAA Records
- 198.185.159.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.49.23.144
- 198.185.159.145
Mail Server IPs
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1579.awsdns-05.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1579.awsdns-05.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1579.awsdns-05.co.uk
ns-284.awsdns-35.com
ns-716.awsdns-25.net
ns-1499.awsdns-59.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:52.35.157.38 ip4:104.198.196.39 ip4:50.31.98.110 include:mail.zendesk.com include:servers.mcsv.net include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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=ms87071843
- apple-domain-verification=i8GmuLixew2xH5rr
- SPFv=spf1 ip4:52.35.157.38 ip4:104.198.196.39 ip4:50.31.98.110 include:mail.zendesk.com include:servers.mcsv.net include:spf.protection.outlook.com -all
Full email verification for rockharbor.org
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