HOW.IS
?

How is shu.edu?

Be careful risk 30/100

On no blocklists we checked, no valid HTTPS certificate, the site did not answer (timed out).

Why

02050100
finecarefulhigh risk
  • +10Could not read the domain's registration record.
  • +20No valid HTTPS certificate.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

Site
down
timed out
HTTPS
invalid
Connection timed out
Age
?
creation date not reported
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records4 record types
A16.182.68.53
16.182.41.5
16.15.237.218
16.182.67.77
16.15.244.146
52.216.212.125
52.216.200.162
16.15.163.19
MX10 shu-edu.mail.protection.outlook.com
NSns-2012.awsdns-59.co.uk
ns-179.awsdns-22.com
ns-607.awsdns-11.net
ns-1396.awsdns-46.org
TXT06eb166d-d300-4713-a19c-aa726109473c
v=msv1t=12056cd11892489f1f4ea4487f04af
PI4XESY5NQKFOGHTU7MDXBZ4OIT8PP4Z2LVB6EEB1
google-site-verification=TPMvqrQAhWYAIJo6XnKs5y6O8C3m1h16uhxv4jq86ms
e2ma-verification=75pbb
e2ma-verification=v05fb
r09ftivop7a9gij9vmu1gghlte
google-site-verification=UFTDJAfNL64YjhNvObGkmoYrf-r8X5D4ncCY4jIoZCc
k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCr6KMgdxxgg7oT3ulMwPJs9RXgXDrI9UWU118pHEMohl3UbL3Jwp4oxp/9N3thh/3WCJnYV134zbEVolZwqaT3JsFEq/mQ/RpW/JnOZ3rnxqJPurb2bcfJol4SDxiWVObzHX31xnANzFcXnq1/5dMK5QvW4Jh7n0fm4+4ywqiy2QIDAQAB
e2ma-verification=j9qbb
docusign=86cdd299-3c34-4dea-ad5d-d39d9e8904ce
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDipZmfLdrkzlHH8W72i2fAhkXQrhCVv+2DMOS6ZDWzurMwKMo5gMUm7SyUTS3+RkJEx/JOvyw6IhWIqrUPYg5f+07hf+cPeq8DW59YYIB59lfrUDzcVeO5WZWO6UgX1XlscWqnRvyyiYHd5xO1SMb7cf9t0+1ys7HMylZiAieIXQIDAQAB
_6jxblv4oiva1t4s8rmpcy7p50x9ag9g
v=spf1 include:spf.protection.outlook.com include:e2ma.net include:shu.campusgroups.com include:454160.spf08.hubspotemail.net include:mail.zendesk.com include:amazonses.com ip4:149.150.52.224 ip4:149.150.52.238 ip4:149.150.52.160 ip4:198.187.196.100 ip4:216.200.108.191 ip4:216.200.107.203 ip4:209.133.75.59 ip4:209.133.124.238 ip4:74.86.208.249 ip4:66.151.109.0/24 ip4:139.60.0.0/22 ip4:216.195.243.208 ip4:65.115.228.26 ip4:35.80.141.6 ip4:44.229.121.55 ip4:52.86.188.131 ip4:52.43.50.148 ip4:20.236.219.18 ip4:50.31.43.252 ip4:208.117.49.214 ip4:199.231.134.73/32 ip4:216.248.199.106/32 -all
sgtv2hrt2dve91slkha1v84v3a
atlassian-sending-domain-verification=82e33e90-1ccd-401b-b156-f3cfd16205f3
lj6dud8sfqm5527ogc0iqjo4nm
vtr33lcfr8ua07uupc8is695ua
e2ma-verification=8jzeb
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCX/Hit5YJIzG6D/UXue1lL0Qfzxmjc6ZQBWwa2Yvj+XVKdggJ8/mGY8klXZ/jlSgOR+D4ptpdFIcwulFCY3Wy+wfgSSsleeoy5nI8yAJH1tgnhGwotpQKl9jfJuWA7mfI0gIiQ78SDwKKW+QHrwxB5s1TL9O/694MWq7qFP69C0QIDAQAB
e2ma-verification=8gbfb
apple-domain-verification=6MNKu5afVAa3VW5g
Myns/k3TGZo8BOm45Lyxhwty7rKv51Kir7/O9zON7aq+St63E20KZqUd89iqsZza95UE832J3cRPu3d6L96YMw==
cisco-ci-domain-verification=4ea400f89b87abd98d5969f3d1e242b4698e2cf727b24d62531fad523aa4b190
atlassian-domain-verification=PKjIUmPT38AwBpUTflFemJ0aWtSLd5GOCBlDTgfDKOskoj1w1c4lGbgYeQDya2dc
d365mktkey=DZwmCbb3AV0FKkP5xqwgheZqOuyT1T5ATxh37m7EvyEx
adobe-idp-site-verification=ba3e7e7bdcf18834a3928ec30b107069e4601bf078e86262c8fc247688999707
d365mktkey=x841AmRVaBoE6pWnak0FxlYfm1oASqqIOfTjJE9BPkAx
Registrationregistrar not reported
HTTPS certificatenot valid
validno
problemConnection timed out
DNSSECinsecure

Domain is not signed with DNSSEC

. → edu → shu.edu
Email authenticationexcellent
SPFpass v=spf1 include:spf.protection.outlook.com include:e2ma.net include:shu.campusgroups.com include:454160.spf08.hubspotemail.net include:mail.zendesk.com include:amazonses.com ip4:149.150.52.224 ip4:149.150.52.238 ip4:149.150.52.160 ip4:198.187.196.100 ip4:216.200.108.191 ip4:216.200.107.203 ip4:209.133.75.59 ip4:209.133.124.238 ip4:74.86.208.249 ip4:66.151.109.0/24 ip4:139.60.0.0/22 ip4:216.195.243.208 ip4:65.115.228.26 ip4:35.80.141.6 ip4:44.229.121.55 ip4:52.86.188.131 ip4:52.43.50.148 ip4:20.236.219.18 ip4:50.31.43.252 ip4:208.117.49.214 ip4:199.231.134.73/32 ip4:216.248.199.106/32 -all
DMARCpass policy quarantine
DKIMfound: selector1, selector2, s1, s2

Whether mail claiming to be from this domain can be checked as genuine.

Security scoregrade B · 160/215
Basic Security
20/40missing: DNSSEC Enabled
Record Security
40/55missing: CAA Records
Advanced Security
15/25missing: Mail Server Configuration, IPv6 Support
Domain Reputation
50/50
Threat Detection
35/45missing: Fast-Flux Detection, Domain Age Check
Blocklists0 listings · 17 lookups
SURBL MultidomainURIBL MultidomainSpamCop52.216.209.21Barracuda52.216.209.21UCEPROTECT Level 152.216.209.21SpamCop16.15.212.237Barracuda16.15.212.237UCEPROTECT Level 116.15.212.237SpamCop16.15.229.172Barracuda16.15.229.172UCEPROTECT Level 116.15.229.172SpamCop16.15.207.18Barracuda16.15.207.18UCEPROTECT Level 116.15.207.18SpamCop16.15.183.14Barracuda16.15.183.14UCEPROTECT Level 116.15.183.14

Green: clean. Red: listed. Grey: the list did not answer.

Ask it yourself

Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.

curl "https://how.is/v1/domain/trust?domain=shu.edu" \ -H "Authorization: Bearer $HOWIS_KEY" # or pay per call in USDC (x402), no key: the 402 tells your agent the price curl -i "https://how.is/v1/domain/profile?domain=shu.edu"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on shu.edu. Reference: /llms.txt.

IPv6. IPv6 readiness grade for shu.edu Does shu.edu work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch shu.edu. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.

Watch — $1 / 30 days