Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
switch.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 02:26:42 UTC · ↺ Refresh
MX Hostnames
- switch-us.mail.protection.outlook.com
MX Priorities
- switch-us.mail.protection.outlook.com: 0
A / AAAA Records
- 75.119.195.43 ↩ vps26596.dreamhostps.com
Mail Server IPs
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
SOA Record
Raw SOA
cbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 40 10800 3600 604800 86400
Primary NS (mname)
cbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
40
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
cmtu.mt.ns.els-gms.att.net
cbru.br.ns.els-gms.att.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:12.156.206.36 ip4:12.156.206.38 include:spf.protection.outlook.com include:bmesend.com ip4:75.119.195.43 include:_spf.saashr.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 1% of failing messages only
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- 61v6bgc6ojeh9dermkodus9mom
- SPFv=spf1 ip4:12.156.206.36 ip4:12.156.206.38 include:spf.protection.outlook.com include:bmesend.com ip4:75.119.195.43 include:_spf.saashr.com ~all
- openai-domain-verification=dv-dDbkNjKqUToYmUP6zC6cnHTN
- MS=ms93031667
- apple-domain-verification=Dl0KRMAIP2to1Jba
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