Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
siumed.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 04:30:02 UTC · ↺ Refresh
MX Hostnames
- mx2.siumed.edu
- mx1.siumed.edu
MX Priorities
- mx2.siumed.edu: 15
- mx1.siumed.edu: 15
A / AAAA Records
- 54.173.165.221 ↩ ec2-54-173-165-221.compute-1.amazonaws.com
- 23.20.46.50 ↩ ec2-23-20-46-50.compute-1.amazonaws.com
Mail Server IPs
- 131.230.224.142 ↩ mx2.siumed.edu
- 131.230.224.141 ↩ mx1.siumed.edu
SOA Record
Raw SOA
dns1.siumed.edu noc.siumed.edu 2026030793 10800 3600 604800 10800
Primary NS (mname)
dns1.siumed.edu
Admin Email (rname)
noc@siumed.edu
Serial
2026030793
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
dns3.siumed.edu
dns2.siumed.edu
dns1.siumed.edu
SPF Record
✓ Strict (-all)
v=spf1 ip4:131.230.224.0/23 ip4:131.230.49.128/27 a:mx1.aievolution.com a:mx2.aievolution.com a:mx3.aievolution.com include:res.cisco.com include:spf.constantcontact.com include:u1759653.wl154.sendgrid.net include:_spf.academicworks.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
17 records- atlassian-domain-verification=mGAkBWlqDkz3Rcwa6qvCREfXszuAtAOiDdu31ep5CfSaX3NHB6lznVKm2ZdU16tO
- google-site-verification=Tot4nR8FUp-UPi_hMARf2HXx1xxpvPX_4mVNi2QhcGg
- cisco-ci-domain-verification=7415e99c423853d19d15f73219877ea14a0ce40f7bb44d0e75e3bbd1b6b85169
- adobe-idp-site-verification=8e699fe7391a61d469bd007a3295c397905fb566b98db27d355d3483eac0a86e
- 1password-site-verification=SQHXI6YZQVG6DKOKDSD7R47KGU
- ZA=fMMjy8cX5dvLRlQK9dRAog==
- intersight=60f01f2c370944e371b553a422ea4465fd3b113119fa2a904aca6049545f6968
- ZOOM_verify_VFSqpIaxTuOoTK-y7GXYuw
- openai-domain-verification=dv-3jLgkFvUGv4QxwQEgDQQUCGB
- facebook-domain-verification=0d2pjdhjk1733s5d3dz00m04vhcvkf
- smartsheet-site-validation=GriQRsMGaFIAt3Qi-Rkb549JGckSukkM
- _n6m2afl4tclyisrvclbf6hvd3boi4se
- dropbox-domain-verification=r9gw08d1286f
- atlassian-sending-domain-verification=5eb3e860-b28a-49f2-9dbb-12fba38e3109
- 9b975775-f64c-4a91-a611-2ac603106504
- _zvwvrqalj3qgmcn06j87foz3db0lwqp
- SPFv=spf1 ip4:131.230.224.0/23 ip4:131.230.49.128/27 a:mx1.aievolution.com a:mx2.aievolution.com a:mx3.aievolution.com include:res.cisco.com include:spf.constantcontact.com include:u1759653.wl154.sendgrid.net include:_spf.academicworks.com -all
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