Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
rdbrck.com
Yes
โ Yes
Google
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-23 13:51:56 UTC ยท โบ Refresh
MX Hostnames
- aspmx2.googlemail.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx3.googlemail.com
- alt2.aspmx.l.google.com
MX Priorities
- aspmx2.googlemail.com: 90
- aspmx3.googlemail.com: 90
- aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 50
- alt2.aspmx.l.google.com: 50
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 108.177.123.26 โฉ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 โฉ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a โฉ dj-in-f26.1e100.net
- 172.253.122.26 โฉ bh-in-f26.1e100.net
- 2607:f8b0:4004:c25::1b โฉ yuiadtq-in-f27.1e100.net
- 108.177.123.27 โฉ lcscld-in-f27.1e100.net
- 172.253.116.27 โฉ dj-in-f27.1e100.net
SOA Record
Raw SOA
dora.ns.cloudflare.com dns.cloudflare.com 2398566821 10000 2400 604800 1800
Primary NS (mname)
dora.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398566821
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dora.ns.cloudflare.com
seth.ns.cloudflare.com
SPF Record
โ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.us.exclaimer.net include:ne16.com include:_spf.intacct.com ~all
๐ DNS lookups: 4/10
~ Soft fail (~all) โ moderate enforcement
DMARC Record
โ Reject
v=DMARC1;p=reject;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=1
โ Reject โ strongest protection
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected],mailto:[email protected]
DKIM Selectors
โ 1 found
google._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- atlassian-domain-verification=nikZugvuFbL87iBr++s8i2DC2hTyP/Sa+vRpHrvpSi6dwtIQ/2zTIcwpegewh7KF
- google-site-verification=nPt6ag4RLbDSv7446IZwt5lZUf4EfY9zn2423fjxRpg
- openai-domain-verification=dv-EnTyOVQTy4Muetz5hMzTnohk
- SPFv=spf1 include:_spf.google.com include:spf.us.exclaimer.net include:ne16.com include:_spf.intacct.com ~all
- 30.10.2024
- A58776D5A5
- MS=ms84115027
- ZOOM_verify_-texvcqfTX-NE_OJpvdoiQ
- apple-domain-verification=Wufn8oeGvztHmvlp
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 rdbrck.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits