Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
treetop.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 04:16:54 UTC · ↺ Refresh
MX Hostnames
- treetop-com.mail.protection.outlook.com
MX Priorities
- treetop-com.mail.protection.outlook.com: 0
A / AAAA Records
- 64.91.246.53 (no PTR)
Mail Server IPs
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
SOA Record
Raw SOA
grannbo.ns.cloudflare.com dns.cloudflare.com 2398738410 10000 2400 604800 1800
Primary NS (mname)
grannbo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398738410
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tom.ns.cloudflare.com
grannbo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.243.255.10 include:slglb01.treetop.com include:spf.boardbooks.com include:spf.protection.outlook.com include:_spf.createsend.com include:_spf.psm.knowbe4.com ip4:66.243.255.20 ip4:66.243.255.10 ip4:10.6.100.154 ip4:10.6.100.127 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=50; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
7 records- wKNdqpHzsNW+pkuwH7zP7jWV5kx3QFv7jKEdr1i2P6lVZjbfLSRviS3cHW4AQ6FjRb3fQurPjt+1fZB3ran6pw==
- apple-domain-verification=rKZikXJsNk75rfvB
- google-gws-recovery-domain-verification=54138311
- google-site-verification=-bgTioQg6wSpYcQSSjkrLGNCXiVL83BiSv-5K40jPq4
- google-site-verification=2hLeaSJuFpfWNKcf_Wy7JlQvHdpi17kIp4BcSq5vJLs
- rntrbqfm6cr4cjlnc805dl4933
- SPFv=spf1 ip4:66.243.255.10 include:slglb01.treetop.com include:spf.boardbooks.com include:spf.protection.outlook.com include:_spf.createsend.com include:_spf.psm.knowbe4.com ip4:66.243.255.20 ip4:66.243.255.10 ip4:10.6.100.154 ip4:10.6.100.127 -all
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