Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
transmedics.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 21:23:47 UTC · ↺ Refresh
MX Hostnames
- mxb-00922301.gslb.pphosted.com
- mxa-00922301.gslb.pphosted.com
MX Priorities
- mxa-00922301.gslb.pphosted.com: 0
- mxb-00922301.gslb.pphosted.com: 0
A / AAAA Records
- 13.248.165.82 ↩ a05f68e6ee59b6c76.awsglobalaccelerator.com
- 3.33.136.121 ↩ a05f68e6ee59b6c76.awsglobalaccelerator.com
Mail Server IPs
- 148.163.154.8 ↩ mx0b-00922301.pphosted.com
SOA Record
Raw SOA
ns73.worldnic.com namehost.worldnic.com 126031112 10800 3600 604800 3600
Primary NS (mname)
ns73.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031112
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns74.worldnic.com
ns73.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf-00922301.pphosted.com include:protection.outlook.com include:_spf.google.com ip4:64.132.201.93/32 ip4:74.203.211.13/32 ip4:207.67.44.189/32 ip4:3.145.232.16/28 ip4:50.224.61.195 ip4:3.92.118.236 ip4:216.58.135.140 ip4:216.58.135.187 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
18 records- docker-verification=1dc363a2-872e-4358-9cfd-64a5c6c81766
- 0ed1fe018a673da736b14c4eb1a1afcdd23a038934
- SPFv=spf1 mx include:spf-00922301.pphosted.com include:protection.outlook.com include:_spf.google.com ip4:64.132.201.93/32 ip4:74.203.211.13/32 ip4:207.67.44.189/32 ip4:3.145.232.16/28 ip4:50.224.61.195 ip4:3.92.118.236 ip4:216.58.135.140 ip4:216.58.135.187 ~all
- tlk1gb4godcgiid8qaivhjbb4u
- google-site-verification=JfBnBmqwWJfRXGImbr4jEGAmmhwg-AuMXcV0K-40Ars
- 93sjjhttv861sr12vbr1vn4qvftrbk4l
- atlassian-domain-verification=8Gmt9fipE0sGbG51PZQ1RqgGk8cFXb5CGsjuPjciNgXamus4ypgQNCSasdsOj5dq
- apple-domain-verification=5M3zAkCnID0Y9ZXO
- dropbox-domain-verification=2740vntiiij3
- jamf-site-verification=BH9_7AOwsovsdkGJClmQqA
- 4dv8prgtj0opv5dfi060g8q2k8
- google-site-verification=3REhKSePpcTpa2b26e1lNcodWOb1jNeb6IAn82z2LGU
- ZOOM_verify_30t9SkSMaySDymuO527mG6
- slack-domain-verification=vIpqip4xomFtfX2t9BsEhXep54b03L1QMWC1LIsk
- smartsheet-site-validation=F1ufDYL3BEGOCOFWV2XGpgfRA8Txhp_M
- oatum07s5vu0ekscki1ou0kn15
- MS=ms59360902
- docusign=6d694639-236e-4a64-8486-01586b0f6841
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for transmedics.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits