Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
robbinsbrothers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 02:40:10 UTC · ↺ Refresh
MX Hostnames
- robbinsbrothers-com.mail.protection.outlook.com
MX Priorities
- robbinsbrothers-com.mail.protection.outlook.com: 10
A / AAAA Records
- 151.101.65.124 (no PTR)
- 151.101.129.124 (no PTR)
- 151.101.1.124
- 151.101.193.124
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns27.worldnic.com namehost.worldnic.com 125072314 10800 3600 604800 3600
Primary NS (mname)
ns27.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125072314
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns27.worldnic.com
ns28.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:63.110.144.0/26 ip4:64.60.74.165 ip4:204.232.153.241 ip4:98.153.169.192/27 ip4:205.158.165.152/29 ip4:12.221.131.64/27 mx:mx1.robbinsbrothers.com a:mail.robbinsbrothers.com include:sendgrid.net include:spf.protection.outlook.com include:spf.cashedge.com include:spf.US.exclaimer.net include:_spf.salesforce.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 10/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
18 records- google-site-verification=KrMvFXF5QzS095qb8IA6oMLJoROgm1bLDBTiXJLMiok
- WNac/d8eMyGZOD0M2Rh+Xc7k/t+87uElup4AyIFVQhgHCZPGZ4+1gor7i2ulkewJuVIBIC68TiiR6d2d2tcZhQ==
- google-site-verification=XP7p9qsAI9mIIQInPRt5LyT5IB0QRpLU1eTJPFTb4rY
- globalsign-domain-verification=QIz4Dkgnzvuf_ODt1ig-vDCfiMQCGSPHLjxcG5uNpQ
- SPFv=spf1 a mx ip4:63.110.144.0/26 ip4:64.60.74.165 ip4:204.232.153.241 ip4:98.153.169.192/27 ip4:205.158.165.152/29 ip4:12.221.131.64/27 mx:mx1.robbinsbrothers.com a:mail.robbinsbrothers.com include:sendgrid.net include:spf.protection.outlook.com include:spf.cashedge.com include:spf.US.exclaimer.net include:_spf.salesforce.com include:_spf.psm.knowbe4.com -all
- klaviyo-site-verification=U8T6HQ
- apple-domain-verification=2OugEiaXdZtuZa27
- klaviyo-site-verification=QXtn6k
- pardot209232=e50a2464c84ffba6379def4a1ddbad06d77b58c12104523486b732c5652bab0f
- _77hnblpay7dlmxplioaz0lnsztb2kzz
- MS=1EDD8413F836B1B8348B2C10DE05649A96E4C377
- facebook-domain-verification=h0sn7fqzdcpxrltysip011do0ihs60
- google-site-verification=osWzfOKD_EV_WowQ-azMMGUFpj6S8cOK2ofjHzU7v1E
- p7v0bx2xggnwbh6lcrcrbvwkmtg9ngkj
- google-site-verification=r5-Su77UVCwUEB0ywcDoSYGh5PlhvD3p6gsyLiDuKxs
- amazonses:aAY0SDsCegtXF4/HMeOSMgRstAW9O7JU274UXxT2llA=
- sending_domain209232=8f285df4e4133b874e829a2590a52eb85e45112f2a859515115cfb0666ecfc81
- google-site-verification=tnpTpha-qbZuYuhSXynzmmMZAvNS9H4IjJfCBK0lYaI
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for robbinsbrothers.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits