Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
teradyne.com
Yes
โ Yes
Proofpoint
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-23 23:42:29 UTC ยท โบ Refresh
MX Hostnames
- mxa-0015db01.gslb.pphosted.com
- mxb-0015db01.gslb.pphosted.com
- ms64893719.msv1.invalid
MX Priorities
- ms64893719.msv1.invalid: 32767
- mxa-0015db01.gslb.pphosted.com: 100
- mxb-0015db01.gslb.pphosted.com: 200
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 67.231.148.11 โฉ mx0a-0015db01.pphosted.com
- 67.231.156.11 โฉ mx0b-0015db01.pphosted.com
SOA Record
Raw SOA
ns-203.awsdns-25.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-203.awsdns-25.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-203.awsdns-25.com
nsd.teradyne.com
ns-1005.awsdns-61.net
ns-1732.awsdns-24.co.uk
ns-1079.awsdns-06.org
SPF Record
โ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.atlassian.net ~all
๐ DNS lookups: 2/10
~ Soft fail (~all) โ moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
21 records- google-site-verification=wENDIfzYNSaaPTjxHbcuTBU5nYgXOFWMFuPY6GGbHxA
- atlassian-domain-verification=hwe0/FZdFWYavjJaq3t6dl0AFXSarfh5zPXnlNXGzn/bZorJA1eMTXP5JhiQSPq/
- docusign=5777121b-0d9f-4c04-aab8-7fd4779d4fe6
- smartsheet-site-validation=_6_igSPAOAO8vJ4L2gAlKD5vuf4tm_Xq
- apple-domain-verification=tJM0OR1enoGAE1Vz
- openai-domain-verification=dv-PdXxJCGyGqQRG61AVtcwvoZ7
- cursor-domain-verification-9tmj7j=KngXj5FFV9a6KSgwawDCP1I6o
- atlassian-sending-domain-verification=2cdd3c23-a128-4dc1-b99f-b633c91858a8
- ciscocidomainverification=39f419d52703ee08dd877e4923b3817a8b58ca911f8be088786736415edb32df
- MS=ms39070317
- DirectFedAuthUrl=https://login.microsoftonline.com/eae846e4-996d-4b47-83b9-5f5937d358fe/saml2
- anthropic-domain-verification-b29gcd=lzA1Hg9Z5vDeHlwReGA3AC21a
- google-site-verification=_IMIOGmOTwzXjNmToFy0p5-vRGYHX0ftZo_RZz-wBB0
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.atlassian.net ~all
- docusign=c52f40da-3fd1-4126-bf73-37cdd5081327
- MS=ms64893719
- webexdomainverification.2NZ3Y=855586fa-c2f1-4511-ab9a-7c9582813049
- google-gws-recovery-domain-verification=58968331
- projectmanager:ZmMwYTYwNDItMmQ0Zi00ZGU2LWFkMDEtNDdkM2Q5NjU0NTcyMxOjAGPviyE=
- miro-verification=98a6d6661da90b442485ad1965a4bde72dd8c71d
- traction-guest=454d92d3-b224-47ba-828c-0467339416b2
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for teradyne.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits