Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
standard.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 13:28:33 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 45.223.121.74 (no PTR)
- 45.223.96.74 (no PTR)
Mail Server IPs
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ipamext1.standard.com wired.standard.com 2010063226 14400 3600 604800 900
Primary NS (mname)
ipamext1.standard.com
Admin Email (rname)
wired@standard.com
Serial
2010063226
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns0085.secondary.cloudflare.com
ns0175.secondary.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=8m0vqq0f._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
✓ Reject — strongest protection
📋 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
17 records- insomnia-validation=f719b1afd753478496219092092c1ad562576a5258b35895a8d978d0adec4af2
- ibmid=d9b9f7e5-4c8f-4f38-b0b8-b38da54d2178
- zywave-domain-verification=D3xPKziM8l3OPdVHZdEHTIPd6aCzAzsCYgmkuVCquYo=
- apple-domain-verification=k1MEJwcR2InKV1q1
- confluent-verification=8a22372b-6640-4ddb-ab85-f49c1d5881da
- docusign=229889a3-2c5d-4f47-b92e-566875bffda6
- facebook-domain-verification=at6hij06outtg6tg4qddskkxd8eane
- _xs44sq43o3w7a7aqnpy0gtu6rpx7yo8
- google-site-verification=jBF7bChEi2fk63z0GgWeKnMf_G-di5hTdQNv_OYDKOk
- onetrust-domain-verification=eaedd5811fb54e2db859f83fd6ba70d2
- SPFv=spf1 redirect=8m0vqq0f._spf._d.mim.ec
- docusign=cfe125a9-f5b9-49e2-bbd5-2eea6c0cd699
- atlassian-domain-verification=wZryn5M2aB6u7JZC-p93lf9DuYdAKwMG3AIr2mUWarb0FOiyPVQwAM9MT0x4VP8E
- infoblox-domain-mastery=c06dab89652d00daf25d689782a64282b1ce5ff4c206a326a461ca702b32ef71c6
- google-site-verification=R3x_C1K3Lc4_HLs70GHbFY1svmr0Z23KLCTMf9-CKmM
- flexera-domain-verification-onsyumamsvepauos
- MS=ms20395831
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 standard.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits