Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grad.arizona.edu
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 02:37:53 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 35.85.74.238 ↩ ec2-35-85-74-238.us-west-2.compute.amazonaws.com
Mail Server IPs
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ua-dc-rali.bluecat.arizona.edu hostmaster.vprgs.arizona.edu 2014122708 1800 600 1728000 3600
Primary NS (mname)
ua-dc-rali.bluecat.arizona.edu
Admin Email (rname)
hostmaster@vprgs.arizona.edu
Serial
2014122708
Refresh
1800s
Retry
600s
Expire
1728000s
Minimum TTL
3600s
Nameservers (NS)
ua-dc-colli.bluecat.arizona.edu
ua-dc-avandra.bluecat.arizona.edu
ua-dc-dolli.bluecat.arizona.edu
ua-dc-cali.bluecat.arizona.edu
ua-dns-atropos.bluecat.arizona.edu
ua-dc-folli.bluecat.arizona.edu
ua-dc-wolli.bluecat.arizona.edu
ua-dc-rali.bluecat.arizona.edu
ua-dc-dali.bluecat.arizona.edu
ua-dc-kali.bluecat.arizona.edu
ua-dc-sali.bluecat.arizona.edu
ua-dc-thing3.bluecat.arizona.edu
ua-dns-lachesis.bluecat.arizona.edu
ua-dc-ali.bluecat.arizona.edu
ua-dc-bolli.bluecat.arizona.edu
ua-dc-holli.bluecat.arizona.edu
uawindns.colo-win-aws.arizona.edu
ua-dc-thing4.bluecat.arizona.edu
ua-dc-erathis.bluecat.arizona.edu
ua-dns-clotho.bluecat.arizona.edu
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:128.196.133.0/24 include:spf.protection.outlook.com include:slate-mx.grad.arizona.edu -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
2 records- SPFv=spf1 mx ip4:128.196.133.0/24 include:spf.protection.outlook.com include:slate-mx.grad.arizona.edu -all
- er8WKFUcC/Hwc7sSUJ7I1QMQfoYbl1gIOYGY72IicJVco7aYUzmuH8TEoxtBQC8EPvy4lcYMkTaMBM9++L1rog==
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