icsc.org

Valid Email Server
Domain Lookup › icsc.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
icsc.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-28 16:25:05 UTC · ↺ Refresh

MX Hostnames

  • d157334a.ess.barracudanetworks.com
  • d157334b.ess.barracudanetworks.com

MX Priorities

  • d157334a.ess.barracudanetworks.com: 10
  • d157334b.ess.barracudanetworks.com: 20

A / AAAA Records

  • 3.208.6.187 ↩ ec2-3-208-6-187.compute-1.amazonaws.com
  • 98.94.208.117 ↩ ec2-98-94-208-117.compute-1.amazonaws.com

Mail Server IPs

  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 209.222.82.255 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA ns-309.awsdns-38.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-309.awsdns-38.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1405.awsdns-47.org
ns-1782.awsdns-30.co.uk
ns-309.awsdns-38.com
ns-655.awsdns-17.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:148.76.176.138 ip4:208.59.120.242 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:_netblocks.mimecast.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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

6 records
  • d+IQDjXOjQXAi4FlOgC2fi8NTxhnH4Y20PcCn5xEHR4kzV621pB7U4AetkqmMKefNvXSx0KJ0irXh1OFNHGxsQ==
  • SPFv=spf1 ip4:148.76.176.138 ip4:208.59.120.242 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:_netblocks.mimecast.com -all
  • BPL=4005073
  • MS=FA5D58144B63D99E36A4259D92B5C50DA7110E4A
  • MS=ms62403934
  • ciscocidomainverification=6417f5c5b81cc8f67ecf38df3e974fdc6afe1b3127d0b87578f55bde45301dd
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