schemmer.com

Valid Email Server
Domain Lookup › schemmer.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
schemmer.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 23:10:53 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-1.mimecast.com
  • us-smtp-inbound-2.mimecast.com

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 10
  • us-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 104.249.63.17 ↩ osmium.sensiblewebhost.net

Mail Server IPs

  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA ns1.mydyndns.org zone-admin.dyndns.com 2010091181 10800 1800 604800 1800
Primary NS (mname)
ns1.mydyndns.org
Admin Email (rname)
zone-admin@dyndns.com
Serial
2010091181
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns1156.dns.dyn.com
ns2178.dns.dyn.com
ns3160.dns.dyn.com
ns4151.dns.dyn.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com include:us._extnetblocks.mimecast.com include:usb._netblocks.mimecast.com ip4:208.42.98.19 ip4:147.202.67.24 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=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

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

11 records
  • zeroThreat=MzEzOA==TXpFek9BPT0=TXpFek9BPT
  • MS=ms78503892
  • duo_sso_verification=wQHRdOked3CnX7f4nXScpUS0Bu7ALl8gX4KXUPWn1VgNv8HFiVYYD23XyBXJZrqt
  • 71565c0594ec925a8fdff55e950bf6f5b95ee140df1b6b1c17
  • 0ed1fe018a60988a8072cd4210bfa21658a675b412
  • autodesk-domain-verification=bP3IQCvbzMs-yDxWnd8M
  • 0ed1fe018a557d05035baf4c9f82bcbbafc722705b
  • beb2bdbcb9f97ec8f6d99dbf8ff0597a14ee844ae6e88d26ae
  • zeroThreat=MzEzNg==TXpFek5nPT0=TXpFek5nPT
  • HjI2rYHBqkKIKA7xizXKqo61I3YishcF/SF3fxZn/bmJ3OffGMkb9HLezXuxpQT7/WIjhGXMA0WCbhv4eHRgWw==
  • SPFv=spf1 a mx include:spf.protection.outlook.com include:us._extnetblocks.mimecast.com include:usb._netblocks.mimecast.com ip4:208.42.98.19 ip4:147.202.67.24 ~all
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 schemmer.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits