Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
columbiares.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 00:12:28 UTC · ↺ Refresh
MX Hostnames
- d237694b.ess.barracudanetworks.com
- d237694a.ess.barracudanetworks.com
MX Priorities
- d237694b.ess.barracudanetworks.com: 20
- d237694a.ess.barracudanetworks.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns1.qsourcehosting.com hostmaster.qsourcehosting.com 160 900 600 86400 3600
Primary NS (mname)
ns1.qsourcehosting.com
Admin Email (rname)
hostmaster@qsourcehosting.com
Serial
160
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns2.qsourcehosting.com
ns1.qsourcehosting.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf2.columbiares.com include:spf3.columbiares.com include:spf4.columbiares.com include:spf5.columbiares.com include:mail1.wpengine.com include:relay.mailchannels.net ip4:208.75.120.0/22 ip4:205.207.106.0/24 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; aspf=r; adkim=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
6 records- vxyzwzkd6z0mlpqxln1w1y18v808ypfq
- brevo-code:0377f9709d30112c2663f68ac3b12e78
- MS=40D339BB40A5789CCC1B71344B01C0108ABAE889
- MS=ms84030361
- SPFv=spf1 include:spf2.columbiares.com include:spf3.columbiares.com include:spf4.columbiares.com include:spf5.columbiares.com include:mail1.wpengine.com include:relay.mailchannels.net ip4:208.75.120.0/22 ip4:205.207.106.0/24 -all
- MS=ms75841130
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