Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dcs.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 07:50:23 UTC · ↺ Refresh
MX Hostnames
- MX-01-US-WEST-2.PROD.HYDRA.SOPHOS.COM
- MX-02-US-WEST-2.PROD.HYDRA.SOPHOS.COM
MX Priorities
- mx-02-us-west-2.prod.hydra.sophos.com: 20
- mx-01-us-west-2.prod.hydra.sophos.com: 10
A / AAAA Records
- 34.238.178.141 ↩ ec2-34-238-178-141.compute-1.amazonaws.com
Mail Server IPs
- 50.112.72.129 ↩ ec2-50-112-72-129.us-west-2.compute.amazonaws.com
- 44.234.222.180 ↩ ec2-44-234-222-180.us-west-2.compute.amazonaws.com
- 34.215.37.215 ↩ ec2-34-215-37-215.us-west-2.compute.amazonaws.com
SOA Record
Raw SOA
asnsvr.asc.edu phduggan.asnmail.asc.edu 2025120100 3600 300 604800 28800
Primary NS (mname)
asnsvr.asc.edu
Admin Email (rname)
phduggan@asnmail.asc.edu
Serial
2025120100
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
asnsvr2.asc.edu
asnsvr.asc.edu
ns3.asc.edu
ns2.asc.edu
ns1.asc.edu
SPF Record
✓ Strict (-all)
v=spf1 a:asg.dcs.edu include:_spf.google.com include:_spf_uswest2.prod.hydra.sophos.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
14 records- fan4on5m1hvfu7onud67kelcpd
- 67d107b2dc7a47f6809608c188b6dcc5
- MS=ms51386435
- docusign=f9fc8453-9ac0-4f10-8811-b5cb3da6fcde
- duo_sso_verification=L8SwDR4C8RbLYBYIdeFvI4ItKp95LzdGUsOBJEA1riNbcHBPHFL3DPq2gNNlfb3a
- adobe-idp-site-verification=d0c41e3be37168df8d4eaa5cc46ecdbeaeb1b7811e3ceff56357393140cf5fd1
- MS=834F0CD3851F5DAE55133A87CCB9EC534BF2768F
- atlassian-domain-verification=6HJ5jaGbcEYrk/LbI0qfd26Ng51mErV6X4O09Fy0jXqU09Qjz0KU9RphhcvWAXe/
- ogtak9hg16sip2d33ka5f3esb9
- SPFv=spf1 a:asg.dcs.edu include:_spf.google.com include:_spf_uswest2.prod.hydra.sophos.com -all
- g3k462sjk1v3gs0nq28i5d8ofc
- r83i8s757chqmbn320vm6tobkq
- apple-domain-verification=AmuL9eBH3qVMmaLb
- sophos-domain-verification=c923786070f6d0f8dd374402b5c1bf6201753442
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