Email DNS records for b1.run
MX, SPF, DMARC and DKIM records published for b1.run. Registered via Name.com, Inc. . Domain age: 8 years.
b1.run can receive email: 5 MX records found. The MX records point to Google mail servers. Authentication records found: SPF, DMARC, DKIM.
| Check | Result | What it means |
|---|---|---|
| MX | Found (5) | The domain is configured to receive email. |
| Mail provider | Inferred from the MX host names: they point to Google mail servers. | |
| 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. |
| DKIM | Found (google) | A DKIM public key is published under the selector google. |
Last checked: 2026-10-10 (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.
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MX records for b1.run
- 1 aspmx.l.google.com
- 5 alt1.aspmx.l.google.com
- 5 alt2.aspmx.l.google.com
- 10 aspmx2.googlemail.com
- 10 aspmx3.googlemail.com
Email authentication records for b1.run
SPF record
v=spf1 include:_spf.google.com -all
DMARC record
v=DMARC1;p=reject;pct=100;
DKIM record (google)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlPvmWz0huavgd9V+xuDixk6l3x6JR/o99OcMEBq/MZvastgjKm67AvafaIyl8qBNv4LySqlNldiF7vjk/7UW1fmBUK4cR1qPMIwKFe5smCGO3S+tdlBiMTE7HFHL5fgtL2qmCQWoGQMDM4427QwolewBE+ZEx4qG6pPrvs3nIu5RTXZSAxn4ngaQOmsPSdbXLIP43+vZ/pmWlna+M0oMYahB5FYofvuT2XzjVvg76+e/HCE5qIbU4s9QK6k/xDu7Dn9e++dbSA75WbsmDm8HZEE08Mx4FwvS6IKUM+BeKqYzh3e1k0RBX/elgKjAfEEUpCVSnAxRk4vjOXVGBh64VQIDAQAB
Check a specific email address @b1.run
This page checks how b1.run is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.