Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uschamber.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 20:00:59 UTC · ↺ Refresh
MX Hostnames
- mxa-00109201.gslb.pphosted.com
- mxb-00109201.gslb.pphosted.com
- mx0a-00109201.pphosted.com
- mx0b-00109201.pphosted.com
MX Priorities
- mx0a-00109201.pphosted.com: 200
- mx0b-00109201.pphosted.com: 200
- mxa-00109201.gslb.pphosted.com: 100
- mxb-00109201.gslb.pphosted.com: 100
A / AAAA Records
- 151.101.194.133 (no PTR)
- 151.101.2.133 (no PTR)
- 151.101.66.133 (no PTR)
- 151.101.130.133 (no PTR)
Mail Server IPs
- 67.231.144.16 ↩ mx0a-00109201.pphosted.com
- 67.231.152.53 ↩ mx0b-00109201.pphosted.com
SOA Record
Raw SOA
pdns72.ultradns.com mepright.uschamber.com 2012122369 10800 3600 2419200 86400
Primary NS (mname)
pdns72.ultradns.com
Admin Email (rname)
mepright@uschamber.com
Serial
2012122369
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
pdns72.ultradns.com
pdns72.ultradns.net
pdns72.ultradns.org
pdns72.ultradns.info
pdns72.ultradns.co.uk
pdns72.ultradns.biz
SPF Record
✓ Strict (-all)
v=spf1 ip4:209.3.198.0/24 ip4:38.104.236.218 ip4:216.200.160.161/28 ip4:216.185.15.192/26 ip4:103.151.192.0/23 ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:192.161.144.0/20 ip4:216.198.0.0/18 include:spf.congressplus.com include:spf.protection.outlook.com include:email.prnewswire.com include:spf-00109201.pphosted.com include:cust-spf.exacttarget.com include:_spf.salesforce.com include:_spf.psm.knowbe4.com include:44883523.spf02.hubspotemail.net -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
17 records- atlassian-domain-verification=NGXfpzqXmD3SRA9Zh45a5t20H5bnrxp1bjcXAsYZrfw9iI8ZBx11yRgbqGKQ8aBc
- MS=8FDF2F37967C2F2A36067E4626EAE658D2288A7F
- google-site-verification=w6_zuRntK7uFgegMErxtAM0NrTt1GiaF6cucxgfvWOY
- google-site-verification=q2FCUeF0aVRACDJ6yLZCmEmZTZxLP4et16IfLUpTRgc
- SPFv=spf1 ip4:209.3.198.0/24 ip4:38.104.236.218 ip4:216.200.160.161/28 ip4:216.185.15.192/26 ip4:103.151.192.0/23 ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:192.161.144.0/20 ip4:216.198.0.0/18 include:spf.congressplus.com include:spf.protection.outlook.com include:email.prnewswire.com include:spf-00109201.pphosted.com include:cust-spf.exacttarget.com include:_spf.salesforce.com include:_spf.psm.knowbe4.com include:44883523.spf02.hubspotemail.net -all
- google-site-verification=cpAB_W51yD3EtBJY8ZjeUuy1dPJf_Wx97-Kz2MCr6hQ
- MS=ms14420005
- google-site-verification=X330USjfikKZ6LK3pSwYV7pHdK1qDWNp9Mc39pnBVN8
- calendly-site-verification=OH3lMdyQH4dBuU6s4XrCPSvtIveyUM8JnahhlTiVF
- dropbox-domain-verification=a7k5mtt66gcm
- jamf-site-verification=ZfwFKEjjxe2oSUSrIRJzIw
- apple-domain-verification=sE02ErxddNO9H7W2
- facebook-domain-verification=8m50q4bwlkjwwxhjmhdxzbm1856phr
- _globalsign-domain-verification=p1fktqCHnOA1sE262wg61RlM1M1TddxeBhTTQfKOf-
- asv=97249c026f2a209b44d1b61fe9644e11
- google-site-verification=2jzYML6oxM9ZBCS4_WItyQJAFVPSyKqekZA_MXEJTqI
- JkzgbDnhpvfvwUqQWhR1G/C6qMnxBF9tD7MgXjIxc1wZh9PrfZuFGaZQbnYjKG/LLI3F0h/PNxJ/69fT1YcrbA==
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