Email DNS records for keystonekidney.com
MX, SPF, DMARC and DKIM records published for keystonekidney.com. Registered via Namesilo, Llc. Domain age: 25 years.
Receives email: Yes Disposable: No Free provider: No SPF: Yes DMARC: Yes
keystonekidney.com can receive email: 2 MX records found. The MX records point to Mimecast mail servers. Authentication records found: SPF, DMARC. Not found: DKIM (among common selectors).
| Check | Result | What it means |
|---|---|---|
| MX | Found (2) | The domain is configured to receive email. |
| Mail provider | Mimecast | Inferred from the MX host names: they point to Mimecast mail servers. |
| Free email provider | No | Not a free mailbox service like Gmail or Yahoo. |
| SPF | Found | The record ends with -all: mail from servers not listed should be rejected (hard fail). |
| DMARC | p=reject | The policy is reject: receivers are asked to reject messages that fail DMARC. Aggregate reports are requested (rua). |
| DKIM | Not found among common selectors | DKIM can only be confirmed with the selector used by the sender, so this does not mean the domain has no DKIM. |
Last checked: 2026-11-13 (UTC). DNS records can change over time. This report lists public DNS records; their presence does not by itself mean that a domain or its messages are safe.
Next steps
MX records for keystonekidney.com
- 5 us-smtp-inbound-2.mimecast.com (170.10.132.221)
- 10 us-smtp-inbound-1.mimecast.com (170.10.128.242)
Email authentication records for keystonekidney.com
SPF record
v=spf1 include:us._netblocks.mimecast.com -all
DMARC record
v=DMARC1; p=reject; pct=100; adkim=r; aspf=r; rua=mailto:dmarc_aggregate@healthtronics.com; ruf=mailto:dmarc_forensic@healthtronics.com; ri=86400; fo=1
Check a specific email address @keystonekidney.com
This page checks how keystonekidney.com is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.
Domain registration
Server location
Name servers
TXT records for keystonekidney.com
Domain status
Frequently asked questions
Can keystonekidney.com receive email?
Yes. keystonekidney.com publishes 2 MX records, so it is configured to receive email. To know whether a specific address exists, verify that address.
Does keystonekidney.com use SPF and DMARC?
keystonekidney.com publishes an SPF record. Its DMARC policy is p=reject.
Is keystonekidney.com a free email provider?
No. keystonekidney.com is not on our list of free mailbox providers such as Gmail, Outlook or Yahoo.