gravityfree.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
gravityfree.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-30 18:48:48 UTC ยท โ†บ Refresh

MX Hostnames

  • gravityfree-com.mail.protection.outlook.com

MX Priorities

  • gravityfree-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.7.186 (no PTR)
  • 172.67.137.44 (no PTR)
  • 2606:4700:3036::6815:7ba
  • 2606:4700:3034::ac43:892c

Mail Server IPs

  • 52.101.41.28 โ†ฉ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 52.101.41.56 โ†ฉ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.42.14 โ†ฉ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.40.2 โ†ฉ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 โ†ฉ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 โ†ฉ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: โ†ฉ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: โ†ฉ mail-cy1pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA lennox.ns.cloudflare.com dns.cloudflare.com 2397908030 10000 2400 604800 1800
Primary NS (mname)
lennox.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397908030
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lennox.ns.cloudflare.com
tegan.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:64.156.29.0/24 ip4:64.156.24.0/24 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:62.106.74.122 include:spf.protection.outlook.com include:sendgrid.net include:mail.zendesk.com include:spf.braintreegateway.com include:helpscoutemail.com include:5577003.spf06.hubspotemail.net -all
๐Ÿ“Š DNS lookups: 6/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

8 records
  • SPFv=spf1 ip4:64.156.29.0/24 ip4:64.156.24.0/24 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:62.106.74.122 include:spf.protection.outlook.com include:sendgrid.net include:mail.zendesk.com include:spf.braintreegateway.com include:helpscoutemail.com include:5577003.spf06.hubspotemail.net -all
  • MS=ms14772753
  • apple-domain-verification=I3CSEiJr13wdRzA1vSkmzbT37dRa9WneK7e0SeAloKg
  • atlassian-domain-verification=JWw0wrmSv3BrsuWLbWKvxPvmFBxLJWJWjrXU9wj39D0iSTdzSpV20JcuiNQ5Afbd
  • atlassian-sending-domain-verification=01ff2e73-46f1-4618-bb93-5f5b4e62d81f
  • google-site-verification=vz48BRn97HtIHUEzH7DsN3na6tbruTVJ8MGW2HFB8xo
  • openai-domain-verification=dv-xsFI9aNUNOS7R5MlK8LlUqkT
  • twilio-domain-verification=bb5a99a654af545d34baf7ff06c94749
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 gravityfree.com

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

No credit card required
Get 1,000 Free Credits