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Total

DNS

Email

100

Security

Network

Availability

Domainumich.edu

IPv42

IPv62

MX records2

StatusActive

Domain technical report

Just a moment...

umich.edu

Generated: 2026-08-08T17:55:20-05:00 · Cached result

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IPv42

IPv62

MX2

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

4 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

2 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

70 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

✓

HTTP security headers35 / 35 pts · Security

9 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓

IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

HTTP response0 / 40 pts · Availability

HTTP/2 403

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)

172.66.0.37
162.159.140.37

AAAA

2 record(s)

2606:4700:7::25
2a06:98c1:58::25

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

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

TXT

61 record(s)

"ZOOM_verify_nGh39JkJQSOoOFRUjwPmjA"
"e2ma-verification=7a9eb"
"SFMC-OQN3tnmPOSz-fGaE5by31y_6Ub4VviyOxT1e3RMt"
"asv=a7593c4cc71712a01968795279d22556"
"atlassian-domain-verification=BJherM6FKfh9Y50Eyv/P7vk1rHJVssQEspD7zXqN8IbUzbCsgAAD/UEk74sYe6kB\""
"d365mktkey=733lw7ffo31ti7ozxout3x5l3"
"atlassian-sending-domain-verification=db703b44-8548-4108-894a-1cf49c66b2dd"
"apple-domain-verification=QcSjbo9Nu9vbTHeW"
"dropbox-domain-verification=xibtqs96gswn"
"e2ma-verification=3c9eb"
"brevo-code:247d3d78ed9e663c50b0a12efce3b095"
"3E5EAAB878F9B1DEC7BF6A4882682718"
"SFMC-5lBIbO82RjFqIQn4tMyyKF3OpLINBTpPQjs6oLJu"
"e2ma-verification=u60eb"
"MS=ms49510218"
"e2ma-verification=exibb"
"smartsheet-site-validation=oY0nb96C6xG5_loWLLzVF04btLiZQow5"
"e2ma-verification=1y0cb"
"google-site-verification=139Z5IVFcA9BZBRUlFv0cgAzAC4yLg8VWpmIcOPNqgM"
"wpe-verification=readinqwrite"
"e2ma-verification=sk8fb"
"e2ma-verification=nuhgb"
"verified-for-netlify=123201_umich_virtual_tour_project"
"mailerlite-domain-verification=4c9bd8e9bcc9532050d764926d28a7b0837605a3"
"dropbox-domain-verification=a5yb6qz6602l"
"autodesk-domain-verification=x-5-4PZ_F2G_bBj_BVsU"
"google-site-verification=ePeJieY3ub5dyqoCqCMxcb00j5MqHIOfff7ev8gvp5M"
"jamf-site-verification=81Baq4qavxoOLkx1VulB7w"
"brevo-code:66f1aea179b9dac1e341bc96730a0903"
"e2ma-verification=4o6"
"miro-verification=701abed028a466315e4e96a7c16e0ae7b964447f"
"atlassian-domain-verification=aOp85M18PqRt/5EUYxQey4nzX1W9HysNJrHZYX8vmb0Eu2k9t25awn2J5a/sZXz8"
"google-site-verification=L00w8kdtX1yuVhzX8BrAZcAkJlYZ47T7f9sXnygWI78"
"brevo-code:6a22fe2075c7836824d65669a2b8d509"
"asv=063783b9e2e7b71b1519995753900010"
"e2ma-verification=nslgb"
"e2ma-verification=460eb"
"atlassian-sending-domain-verification=64ae59ad-0030-417d-9da0-02203860823b"
"e2ma-verification=zsz"
"google-site-verification=b3J-sqZ0hI_gOlJLW3djTVXFHJYYKE_ojG38_5QJYLM"
"brevo-code:3adf9f193073a2e465f1178a8226f655"
"asv=3409cea16f931a90453c4c4e1fcadf99"
"google-site-verification=mEb2ZEP3MoTTKDdiDTgoLUkRr5ycOhriZurxfxMYdCM"
"brevo-code:27c34e1b5038f713e91b18edc091f7d3"
"brevo-code:6a1b5714c794582638a3c22137ee387e"
"brevo-code:916190a5216b565989a619ded37b86f7"
"v=spf1 redirect=_spf.mail.umich.edu"
"iContact1258624"
"d365mktkey=74u3ef6g3xjf80kvbz3v70bwb"
"ms-domain-verification=806e6295-0316-4573-bdf1-125913e12997"
"google-site-verification=oLGMsCZznEy3f0Wxww-5I9AF0m30h9m6Oqi3gclG9nY"
"brevo-code:8a9b8c8b911006e247c943c7490896e5"
"google-site-verification=P8BwxmavP7AqtCMjn4NWvFtyZWrP4-JA92e09PiKUTU"
"google-site-verification=wlYuEbd-YP88QiCM4sz9RHQXkSlspXVdipF-EApRWLw"
"d365mktkey=V4QCbGNWEzxRcvUOEjaSIlUlkEvJCfVPxdCjV7uSNxIx"
"e2ma-verification=bbueb"
"e2ma-verification=m3pgb"
"vmware-cloud-verification-0612e704-564b-4c09-a310-5c66291ba4ab"
"google-site-verification=xUO8BnEbTYcXYAAYFj4R1B_gXSBGJGT4el26p0w1RZ4"
"google-site-verification=Vrq1UHkE6hvICU5PcYAEn-9eY2fAazHkfH_-UprlcDQ"
"facebook-domain-verification=earrkog9l7y87qxotg01na6vp90ob6"

NS

4 record(s)

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

SOA

1 record(s)

adonis10-2022.umnet.umich.edu. hostmaster.umich.edu. 793301207 1800 900 2419200 1800

CAA

0 record(s)

—

Not configured

DS

2 record(s)

58714 13 2 337D48A8ABB906BE668023CAEA18AB706E1AD702BD5084EE6F0F1BA2 3E3D4742
41530 13 2 CE51D840FB6E56DA4A9FDFFD8CE666D3BD6AC63A5A364563554E2B47 AA538705

DNSKEY

2 record(s)

257 3 13 iTDMttJDiv7po2Of2ysenghDasMCaEwuvBk2+uqgVO0kJTJztZbeKAji oUVBYnprwcNtAbqurMymySzysYWHBw==
256 3 13 YRv1E6SENclsfMcSEgBoivVVdvYJXwV3V/8uA0mL3hDuwUMHMeNwXUuG phxfHAaWUFeppyQnxRIn0if9/CCXqQ==

RRSIG

4 record(s)

TXT 13 2 1800 20260904222124 20260807104202 64918 umich.edu. BLAqqHXxcTlPEJZ8j+Tfa1DvnohquyB1bLfJZ70hU7qpZpmnCiGu8Qey OkYuXXfV2tQF/BvDUsq7EzFgddt8sg==
DS 13 2 86400 20260815033206 20260808022206 6705 edu. 8R7IHlTJd0nvYyz+VXlfKMDhTH1EaBZqxrBi67Wu+ul86Apl5vApL0L4 LVBh+/+592UGmUK5E0Xi9rI5UFUJag==
MX 13 2 300 20260904222124 20260807104202 64918 umich.edu. fvfWNqTni9T3EYymE7J1IG8nwLn86/B6xI+bsy2/1YQ5dtK/8nkItQno H5EUsa6NgO7OjeZMAjUJzowOzozMag==
NS 13 2 86400 20260904222124 20260807104202 64918 umich.edu. lp9h8f6ucu1myvjVGgS/NgV52XbQCihut1VomprZ9KIqJCSyl2C8ngzH LACHr38qvZtyA5Sx52SAyL8qeKV30w==

NSEC

1 record(s)

00D1a000000KDXx.umich.edu. A NS SOA MX TXT AFSDB AAAA RRSIG NSEC DNSKEY TYPE65534

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 redirect=_spf.mail.umich.edu

DMARC

Configured

v=DMARC1;p=none;pct=100;rua=mailto:dmarc.reports@umich.edu

DKIM

Selector mail

k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z+FApQ6ra2VsXfbJP3HE6wAO0YTVEJt1TmeczhEd2Jiz/fcabIISgXEdSpTYJhb0ct0VJRxcg4c8c7wIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Just a moment...

Description

Final URL

https://umich.edu/

HTTP status

403

HTTP

Status

HTTP/2 403

Final URL

https://umich.edu/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Google Trust Services

umich.edu

Valid from

2026-07-19T19:23:25-05:00

Valid until

2026-10-17T20:23:22-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

9 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

✓

Permissions PolicyImplemented

✓

Cross-Origin-Opener-PolicyImplemented

✓

Cross-Origin-Embedder-PolicyImplemented

✓

Cross-Origin-Resource-PolicyImplemented

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

162.159.140.37, 172.66.0.37

42,36 ms

Cloudflare

1.1.1.1

162.159.140.37, 172.66.0.37

44,25 ms

Quad9

9.9.9.9

162.159.140.37, 172.66.0.37

63,33 ms

OpenDNS

208.67.222.222

162.159.140.37, 172.66.0.37

56,72 ms

AdGuard

94.140.14.14

162.159.140.37, 172.66.0.37

65,70 ms

IP, geolocation and ASNAssociated network information

172.66.0.37

No data

success

country

region

city

asn

organization

isp

162.159.140.37

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

mx1.a.mail.umich.edu

Port 25: Closed/unreachable - 12.4 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 4021 ms -

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