Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
rd.com.br
Yes
โ Yes
Proofpoint
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-20 14:16:32 UTC ยท โบ Refresh
MX Hostnames
- mxb-007afc02.gslb.pphosted.com
- mxa-007afc02.gslb.pphosted.com
MX Priorities
- mxb-007afc02.gslb.pphosted.com: 10
- mxa-007afc02.gslb.pphosted.com: 10
A / AAAA Records
- 161.35.5.28 (no PTR)
Mail Server IPs
- 66.159.240.217 โฉ mx0a-007afc02.pphosted.com
SOA Record
Raw SOA
ns-1611.awsdns-09.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1611.awsdns-09.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-338.awsdns-42.com
ns-983.awsdns-58.net
ns-1385.awsdns-45.org
ns-1611.awsdns-09.co.uk
SPF Record
โ Strict (-all)
v=spf1 ip4:189.44.206.16/28 ip4:187.32.242.99 ip4:200.153.50.64/26 ip4:200.153.77.128/26 ip4:200.153.96.0/26 include:spf.protection.outlook.com include:spf-007afc02.pphosted.com -all
๐ DNS lookups: 2/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100;
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
โ No aggregate reports (rua= not set)
DKIM Selectors
โ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- hcp-domain-verification=bf603690c6f9d2d34133c5bc600c3bf533ae624f4ccb09378e8d487ebdc38d6e
- include:spf.mandrillapp.cominclude:spf.protection.outlook.cominclude:_spf.google.cominclude:mail.zendesk.com
- lovable_verification=workspace_mj0gkpvidpubxep4bcu
- mongodb-site-verification=fepmW4gNA3jLF8yttDB8T6ARoBTNrAgL
- msfpkey=4zjn9rpy3j83bt6dpad7yv031
- uber-domain-verification=032e3bf4-1ada-421e-992e-2b3bcea33999
- SPFv=spf1 ip4:189.44.206.16/28 ip4:187.32.242.99 ip4:200.153.50.64/26 ip4:200.153.77.128/26 ip4:200.153.96.0/26 include:spf.protection.outlook.com include:spf-007afc02.pphosted.com -all
- 3d863b367aa379f71c7afc0c9cdca41d
- atlassian-domain-verification=FYxNXAGSkazIZDZZjQXxWH623dsQLBKu0L2cN9XcQDVZXwUgvYqwkye/7tkiJpiN
- docusign=1cbf6c55-3e4b-45cf-8a9d-e0283e19e4fa
- google-site-verification=9l5-9YQprZxGELhMjEhiCPbAx1WgrvqGogsSdya0JGs
- google-site-verification=tmi-CF1PPhPLbizLTxp2E2QYXtEBb_9Ecu-0QCHUilI
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 rd.com.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits