Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
source4.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 22:24:02 UTC · ↺ Refresh
MX Hostnames
- source4.com.1.0001.arsmtp.com
- source4.com.2.0001.arsmtp.com
MX Priorities
- source4.com.2.0001.arsmtp.com: 20
- source4.com.1.0001.arsmtp.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 8.19.118.177 ↩ server249.appriver.com
- 8.31.233.180 ↩ server248.appriver.com
SOA Record
Raw SOA
dns1.source4.com postmaster.source4.com 2006112309 3600 600 1209600 3600
Primary NS (mname)
dns1.source4.com
Admin Email (rname)
postmaster@source4.com
Serial
2006112309
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns2.source4.com
dns1.source4.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf.protection.outlook.com include:spf.demandbridge.com ip4:70.166.72.90 ip4:204.111.231.90 ip4:70.166.72.102 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; ruf=mailto:[email protected]; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
9 records- google-site-verification=FAi9du9Rdx7cgizP-zOeoh7k9zeOFWk4Q3YlmHflsrY
- 46eqqbr4rt97s821ac47egkj4o
- kpsv48bqv8t35p5na36kavn1l1
- MS=D07112B94BFE238ABAEEAE6AD39682AAB2A8351A
- SPFv=spf1 mx include:spf.protection.outlook.com include:spf.demandbridge.com ip4:70.166.72.90 ip4:204.111.231.90 ip4:70.166.72.102 ~all
- duo_sso_verification=cIPfBJnJg5IosGvJThGXO0IDPE3cWqHnot2S2AHjbaiurp58LZHdpB1Daie2SX2X
- MS=ms68623161
- eheai3gqvdnmdf5vgjj3efsu8f
- b3hrhknp8fi00h21fmqor5vs0s
Full email verification for source4.com
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