Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sircorp.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 21:07:31 UTC · ↺ Refresh
MX Hostnames
- d404887.b.ess.ca.barracudanetworks.com
- d404887.a.ess.ca.barracudanetworks.com
MX Priorities
- d404887.b.ess.ca.barracudanetworks.com: 4
- d404887.a.ess.ca.barracudanetworks.com: 3
A / AAAA Records
- 23.105.39.80 ↩ platform.sircorp.com
Mail Server IPs
- 15.222.16.210 ↩ mail.ess.ca.barracuda.com
- 15.222.16.211 ↩ mail.ess.ca.barracuda.com
- 15.222.16.209 ↩ mail.ess.ca.barracuda.com
SOA Record
Raw SOA
ns73.worldnic.com namehost.worldnic.com 126031708 10800 3600 604800 3600
Primary NS (mname)
ns73.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031708
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns73.worldnic.com
ns74.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:amazonses.com include:spf.givex.com include:mail.zendesk.com include:apps.spf.corrigo.net ip4:23.105.39.80 ip4:69.46.168.203 ip4:108.62.122.45 ip4:167.89.72.113 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=50; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ 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- MS=ms75658526
- bcn=C27BD8D0-7084-11EF-A9A1-AD9487C80729
- fireflies-verification=01K39WCBXAMB5C0ZG7Y2ZPT5RB.ffverify.fireflies.ai-request-verification=2025-08-22T21:53:57Z
- google-site-verification=ktlbu5W_oRAtscFaNhkJCNziFfmwm7-wuJZWj6mJTzE
- SPFv=spf1 include:spf.protection.outlook.com include:amazonses.com include:spf.givex.com include:mail.zendesk.com include:apps.spf.corrigo.net ip4:23.105.39.80 ip4:69.46.168.203 ip4:108.62.122.45 ip4:167.89.72.113 -all
- apple-domain-verification=jcpf0TLVWP7hiBCZ
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