Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
mainstreamrp.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-24 11:15:05 UTC · ↺ Refresh
MX Hostnames
- mxb-009e7101.gslb.pphosted.com
- mxa-009e7101.gslb.pphosted.com
MX Priorities
- mxa-009e7101.gslb.pphosted.com: 0
- mxb-009e7101.gslb.pphosted.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 66.159.248.57 ↩ mx0a-009e7101.pphosted.com
SOA Record
Raw SOA
ns1.blacknight.com hostmaster.blacknight.com 1276402430 14400 7200 2419200 3600
Primary NS (mname)
ns1.blacknight.com
Admin Email (rname)
hostmaster@blacknight.com
Serial
1276402430
Refresh
14400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns2.blacknight.com
ns1.blacknight.com
ns3.blacknight.com
ns4.blacknight.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:86.47.218.78 include:spf.myconnectwise.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf-009e7101.pphosted.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- google-site-verification=DM2eTPXItmVdZBi0etfg1X1ulKipopqpAYxTGOor0VY
- r2jp9flrsluaqe44gh62fprr2
- msfpkey=2bopicw5z3oxbs0kth252ogez
- MS=ms88229329
- RELK7TQKNCKJ21M70MREVQIC41
- fpeurkey1mainstreamrpcom.d01.formspro.dynamics.com
- mandrill_verify.Lz0rzlRyxI_Imk-IUTNWDw
- SPFv=spf1 ip4:86.47.218.78 include:spf.myconnectwise.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf-009e7101.pphosted.com -all
- 8abmkrin96pj2f4nacstj0997u
- adobe-idp-site-verification=bab0529d6829b7268acd1709fde94aed93bcebef7189e049b3066436ec45cd34
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