umich.edu

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
umich.edu
Yes
✓ Yes
Unknown
No
Yes
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-17 19:31:45 UTC · ↺ Refresh

MX Hostnames

  • mx1.a.mail.umich.edu
  • mx2.a.mail.umich.edu

MX Priorities

  • mx2.a.mail.umich.edu: 0
  • mx1.a.mail.umich.edu: 0

A / AAAA Records

  • 162.159.140.37 (no PTR)
  • 172.66.0.37 (no PTR)
  • 2a06:98c1:58::25 (no PTR)
  • 2606:4700:7::25 (no PTR)

Mail Server IPs

  • 3.137.10.108 ↩ ec2-3-137-10-108.us-east-2.compute.amazonaws.com
  • 3.20.94.70 ↩ ec2-3-20-94-70.us-east-2.compute.amazonaws.com
  • 3.136.164.107 ↩ ec2-3-136-164-107.us-east-2.compute.amazonaws.com
  • 44.228.1.186 ↩ ec2-44-228-1-186.us-west-2.compute.amazonaws.com
  • 52.34.0.181 ↩ ec2-52-34-0-181.us-west-2.compute.amazonaws.com
  • 44.230.146.157 ↩ ec2-44-230-146-157.us-west-2.compute.amazonaws.com

SOA Record

Raw SOA adonis10-2022.umnet.umich.edu hostmaster.umich.edu 752079333 1800 900 2419200 1800
Primary NS (mname)
adonis10-2022.umnet.umich.edu
Admin Email (rname)
hostmaster@umich.edu
Serial
752079333
Refresh
1800s
Retry
900s
Expire
2419200s
Minimum TTL
1800s

Nameservers (NS)

dns2.itd.umich.edu
dns1.itd.umich.edu
dns4.umich.org
dns3.umich.org

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=_spf.mail.umich.edu
📊 DNS lookups: 1/10

DMARC Record

✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
mail._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

58 records
  • google-site-verification=ePeJieY3ub5dyqoCqCMxcb00j5MqHIOfff7ev8gvp5M
  • google-site-verification=L00w8kdtX1yuVhzX8BrAZcAkJlYZ47T7f9sXnygWI78
  • brevo-code:916190a5216b565989a619ded37b86f7
  • e2ma-verification=460eb
  • e2ma-verification=nslgb
  • apple-domain-verification=QcSjbo9Nu9vbTHeW
  • google-site-verification=P8BwxmavP7AqtCMjn4NWvFtyZWrP4-JA92e09PiKUTU
  • google-site-verification=xUO8BnEbTYcXYAAYFj4R1B_gXSBGJGT4el26p0w1RZ4
  • d365mktkey=V4QCbGNWEzxRcvUOEjaSIlUlkEvJCfVPxdCjV7uSNxIx
  • google-site-verification=oLGMsCZznEy3f0Wxww-5I9AF0m30h9m6Oqi3gclG9nY
  • google-site-verification=b3J-sqZ0hI_gOlJLW3djTVXFHJYYKE_ojG38_5QJYLM
  • SPFv=spf1 redirect=_spf.mail.umich.edu
  • MS=ms49510218
  • brevo-code:247d3d78ed9e663c50b0a12efce3b095
  • google-site-verification=139Z5IVFcA9BZBRUlFv0cgAzAC4yLg8VWpmIcOPNqgM
  • google-site-verification=mEb2ZEP3MoTTKDdiDTgoLUkRr5ycOhriZurxfxMYdCM
  • facebook-domain-verification=earrkog9l7y87qxotg01na6vp90ob6
  • asv=063783b9e2e7b71b1519995753900010
  • asv=3409cea16f931a90453c4c4e1fcadf99
  • miro-verification=701abed028a466315e4e96a7c16e0ae7b964447f
  • iContact1258624
  • ZOOM_verify_nGh39JkJQSOoOFRUjwPmjA
  • e2ma-verification=exibb
  • e2ma-verification=7a9eb
  • atlassian-sending-domain-verification=db703b44-8548-4108-894a-1cf49c66b2dd
  • SFMC-OQN3tnmPOSz-fGaE5by31y_6Ub4VviyOxT1e3RMt
  • jamf-site-verification=81Baq4qavxoOLkx1VulB7w
  • smartsheet-site-validation=oY0nb96C6xG5_loWLLzVF04btLiZQow5
  • google-site-verification=wlYuEbd-YP88QiCM4sz9RHQXkSlspXVdipF-EApRWLw
  • mailerlite-domain-verification=4c9bd8e9bcc9532050d764926d28a7b0837605a3
  • d365mktkey=733lw7ffo31ti7ozxout3x5l3
  • e2ma-verification=bbueb
  • asv=a7593c4cc71712a01968795279d22556
  • atlassian-domain-verification=aOp85M18PqRt/5EUYxQey4nzX1W9HysNJrHZYX8vmb0Eu2k9t25awn2J5a/sZXz8
  • wpe-verification=readinqwrite
  • SFMC-5lBIbO82RjFqIQn4tMyyKF3OpLINBTpPQjs6oLJu
  • atlassian-sending-domain-verification=64ae59ad-0030-417d-9da0-02203860823b
  • brevo-code:8a9b8c8b911006e247c943c7490896e5
  • verified-for-netlify=123201_umich_virtual_tour_project
  • atlassian-domain-verification=BJherM6FKfh9Y50Eyv/P7vk1rHJVssQEspD7zXqN8IbUzbCsgAAD/UEk74sYe6kB"
  • brevo-code:6a1b5714c794582638a3c22137ee387e
  • brevo-code:27c34e1b5038f713e91b18edc091f7d3
  • e2ma-verification=4o6
  • brevo-code:3adf9f193073a2e465f1178a8226f655
  • e2ma-verification=sk8fb
  • d365mktkey=74u3ef6g3xjf80kvbz3v70bwb
  • vmware-cloud-verification-0612e704-564b-4c09-a310-5c66291ba4ab
  • e2ma-verification=m3pgb
  • google-site-verification=Vrq1UHkE6hvICU5PcYAEn-9eY2fAazHkfH_-UprlcDQ
  • brevo-code:66f1aea179b9dac1e341bc96730a0903
  • dropbox-domain-verification=xibtqs96gswn
  • brevo-code:6a22fe2075c7836824d65669a2b8d509
  • e2ma-verification=nuhgb
  • e2ma-verification=1y0cb
  • e2ma-verification=zsz
  • e2ma-verification=u60eb
  • dropbox-domain-verification=a5yb6qz6602l
  • e2ma-verification=3c9eb
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