Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
clevelandclinic.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 03:15:36 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 104.18.32.216 (no PTR)
- 172.64.155.40 (no PTR)
- 2a06:98c1:3103::ac40:9b28 (no PTR)
- 2606:4700:4402::6812:20d8 (no PTR)
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
bob.ns.cloudflare.com dns.cloudflare.com 2399286036 10000 2400 604800 1800
Primary NS (mname)
bob.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399286036
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
bob.ns.cloudflare.com
etta.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.constantcontact.com ip4:192.35.79.108 ip4:192.35.79.200 ip4:192.35.79.198 ip4:192.28.148.57 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 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
15 records- d365mktkey=bdnrgug1lm2owwuuv3wofe3j
- facebook-domain-verification=3lrbkbzm0s2x1t20o5zbm9e8tlaqd5
- google-site-verification=01A3wN51E8DU33ZpZlgHePSdKCPTXnwsLMFMkPzRg_I
- google-site-verification=JbmfgQrxaJNkFtbuyBrETJRlUeAE8CB-XOn9L7N9Zig
- google-site-verification=YAkTaotFYE_Y8NGl0OVXrzJtVwgIy83UPdnPvLDSupI
- google-site-verification=jiByQXocollPQ2zxJrg_u2ViUjRcBsaxy8bc0-M8EWQ
- SPFv=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.constantcontact.com ip4:192.35.79.108 ip4:192.35.79.200 ip4:192.35.79.198 ip4:192.28.148.57 ~all
- vZDYsw8mvEaAKUOOQV0AiSUAKcumtLY8gnaetoVvFfDatRSItRpXDv8Tpnr7Zk9WAKdfMNfvvcMRUWA6wY894A==
- 7f576db0-d122-4e47-8a99-2393581c66e5
- Cyber Security. google-site-verification=JbmfgQrxaJNkFtbuyBrETJRlUeAE8CB-XOn9L7N9Zig
- MS=ms25572796
- d365mktkey=28sa7bafpe2de8vpiioj7eyhf
- d365mktkey=3gwph51api0dfr21luukz4df7
- d365mktkey=69fhnrl1ynapps6shvxrngv3m
- d365mktkey=6vnv94i0t2irkvtbnd7t9qlg5
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