Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
corumgroup.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 03:55:28 UTC · ↺ Refresh
MX Hostnames
- d27521b.ess.barracudanetworks.com
- d27521a.ess.barracudanetworks.com
MX Priorities
- d27521b.ess.barracudanetworks.com: 20
- d27521a.ess.barracudanetworks.com: 10
A / AAAA Records
- 52.207.136.242 ↩ ec2-52-207-136-242.compute-1.amazonaws.com
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns27.worldnic.com namehost.worldnic.com 126021318 10800 3600 604800 3600
Primary NS (mname)
ns27.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021318
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns27.worldnic.com
ns28.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=corumgroup.com.hosted.spf-report.com
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1;p=reject;fo=1;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- google-site-verification=5QoD53g60Fu-Xd2S4Gs4zgjWPgVMXnf4Y49wqxG0E0o
- spf2.0/pra
- google-site-verification=WrcKJx5kJ6h9j_kytw2XxWQsNWGuz1K2wRvWkgS5yPc
- google-site-verification=JTYvZNp-KmC_8ePdsh2LmZ2nJEV_4hdt3899S1iL9uM
- SPFv=spf1 redirect=corumgroup.com.hosted.spf-report.com
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