Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ptcbio.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 13:35:08 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 23.185.0.4 (no PTR)
- 2620:12a:8000::4 (no PTR)
- 2620:12a:8001::4 (no PTR)
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
dns1.cscdns.net hostmaster.cscdns.net 2010110814 28800 7200 604800 14400
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2010110814
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
14400s
Nameservers (NS)
dns1.cscdns.net
dns2.cscdns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:_spf.salesforce.com include:_spf.spotme.com include:spf2.ptcbio.com include:_netblocks1.luxsci.com include:_spf.protection.outlook.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
26 records- MS=ms84778202
- 9g3ms4637lsk6k5rm12kppbnypyfrmz7
- postman-domain-verification=37c1d40c1d1c38e82270086eae2172a0943a5335acccfd7463fb91c8bc0ad9d40b0d18180ece7f63d627e5246a56a8a7e8c007db4e7982c4bad31f040c34cbe8
- google-site-verification=ncIdyvkiQP5TBqk-5sYdbdwaDA5TrtuZRFSLOfmddPI
- graphpad.com:domain-verification=Z7rOYBNv1smffOQwAr3CJA
- SPFv=spf1 include:us._netblocks.mimecast.com include:_spf.salesforce.com include:_spf.spotme.com include:spf2.ptcbio.com include:_netblocks1.luxsci.com include:_spf.protection.outlook.com ~all
- docusign=22e40f3d-65df-4891-8467-1c343f5df49b
- cursor-domain-verification-ct1tz6=xKj5IvM8lvpOW8osWNI4aQL8I
- mandrill_verify.wOhX94GuJD85eKHU3u_tjA
- onetrust-domain-verification=9cd77032d97c4b9faa9b5cfdf124e8be
- intersight=3e34985f5f95d3272ecc30dfbcc387dd888625c989b36b52271f067b11d8bceb
- _kt2s0q0vkhda21v9d4fxw2bvbatv7cv
- apple-domain-verification=WoUve7pcfzUpvpla
- autodesk-domain-verification=gesxUzeQoWuro_l-5Ijt
- google-site-verification=kBlLq-yRMubFnNy6iRcBnr5Dr4SdmCI8l8X5VpGdfjs
- bw=IDk5KVF0WU6hs2RCoytLqJK22l9F1yd4nC0QYyBAshse
- canva-site-verification=YUut4llhEgJVQyjsS32IRQ
- 0CD0ypWUblNvzVErD/lBSVW3F2E+1+TbNfGx2swhnyownpzFHrfy/Wq5epIbgHGVs6ca6yBoZbLKZ8pcpcv72w==
- onetrust-domain-verification=fd85451c06394af290a6db659a7417a3
- google-site-verification=6YTe8ntYY-RuRq6SgpQhNkjVSS1cZCFSKPPeNbAGkJo
- box-domain-verification=c433d657fa8ec80212762337c7fb515f7ee9a35686b0dfb3c7cedf37635f741c
- docusign=3fc24aad-e214-4b34-8919-a9ce6b8ec7b5
- nd59wq8d3h66835qjfcmfllz5v0gl5dx
- google-site-verification=Oifps_srQeGIh-5OzB0LWzUgL1WI9q6lNahsy7sGhPQ
- bw=ZyQaaQX2NZ2PIw079YsJuudqRRgbxBwkHTBiRFxzJ7c1
- adobe-idp-site-verification=5c4c34b675884574e993217b2694c07faaae71feb28d1f341533a093f4b6aa0d
Full email verification for ptcbio.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits