Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
treeline.bio
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 20:43:11 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 0
- us-smtp-inbound-2.mimecast.com: 0
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns53.worldnic.com namehost.worldnic.com 126021320 10800 3600 604800 3600
Primary NS (mname)
ns53.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021320
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns53.worldnic.com
ns54.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:sent-via.netsuite.com include:_spf.sparkpostmail.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 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- docusign=ca2344d3-3c3d-4f9e-8caf-a84b2411ea1a
- n3fkd1fdpcprrhpf9fwl87cqh5tqvzrr
- 3bbbjcjpjl88k9dxpnjc44m6699nndbd
- apple-domain-verification=1TLOOzrxq0CD5hQd
- google-site-verification=gf4ybkBacsc8YEJwzUbcaM0wi5WB52ltfY1N2qA-QFg
- 1password-site-verification=AVQPHDDLKBDKNPZ6T7FFE573QA
- smartsheet-site-validation=G2Bip7ePJ6Mp7cIZB2Ic7qC5KqlNiSq1
- adobe-idp-site-verification=4fee005b48812d402de1e86772eea76c4fedde76b6861945cf28fba472f96245
- atlassian-domain-verification=FdwyHPcqXMnHtiQVd0apU2slk0LmriWPWvA0QJaQiadslXhCAg7PbMc3lx3GEYPq
- figma-domain-verification=a72c11311cfd6c2fa3bc7620826646d6584c13e09bfbcddbc476d180ad8d7e6d-1738801436
- google-site-verification=OpkCpKdzYev6travo6DqrVz-bNoach08NmfiTAl45SU
- neat-pulse-domain-verification-1vB1wBN=c52f92c2-883d-47cf-86d3-d5adaee31f21
- SPFv=spf1 include:sent-via.netsuite.com include:_spf.sparkpostmail.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com -all
- ZOOM_verify_Cd7kUBGrSEOv7tWIiwF6vg
- _globalsign-domain-verification=1sDQsYck3RlLHIl93EqarZDJz12fUGxaSi0qNKxSh7
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