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30
Total
30
DNS
90
Email
0
Security
0
Network
20
Availability
Domaingwu.edu
IPv40
IPv60
MX records10
StatusActive
Domain technical report

gwu.edu

gwu.edu

Generated: 2026-08-08T20:45:21-05:00 · Cached result

JSONCSVPDFVisit site
IPv40
IPv60
MX10
NS2

DiagnosticsMain findings and recommendations

!
IPv4 (A)0 / 30 pts · Dns

0 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

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

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

!
DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

!
DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

10 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 certificate0 / 55 pts · Security

No valid certificate was retrieved.

!
Certificate lifetime0 / 10 pts · Security

Full points require at least 30 days remaining.

!
HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

!
IPv4 diversity0 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

!
DNS resolution0 / 40 pts · Availability

At least one address family must resolve.

!
HTTP response0 / 40 pts · Availability

No successful HTTP response.

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

0 record(s)
—

Not configured

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

10 record(s)
10 mailprdvadmz4-mx.es.gwu.edu.
10 mailprdfbdmz2-mx.es.gwu.edu.
10 mailprdvadmz3-mx.es.gwu.edu.
10 mailprdfbdmz3-mx.es.gwu.edu.
10 mailprdvadmz2-mx.es.gwu.edu.
10 mailprdvadmz5-mx.es.gwu.edu.
10 mailprdfbdmz4-mx.es.gwu.edu.
10 mailprdvadmz1-mx.es.gwu.edu.
10 mailprdfbdmz1-mx.es.gwu.edu.
10 mailprdfbdmz5-mx.es.gwu.edu.

TXT

41 record(s)
"jamf-site-verification=tmXV6j7qPTV3p67e9BEbxw"
"e2ma-verification=2g5eb"
"pardot509861=248ccfbf5934f7feb4fc691c4dfab6ef6bbf5de6449407360630584e7087d027"
"MS=364A186DC8051883395D44536CB88071783C6FEB"
"453DDFABC85542F5E6D6CCE2588A6973"
"webexdomainverification.G3WV=19b0d7fd-95b0-4099-bd80-408a59dee60f"
"atlassian-domain-verification=yrSCgEam5gXd5fvAVS7QJoIwDshpVDdG4l0sa4aaAa7SPFNhIQLqYJ8cATGVggFV"
"facebook-domain-verification=941qh0ohnk48h5c2gpobudc8ht3n0n"
"parallels-domain-verification=2356f3639af8494c959207d4c8d7895529970ee6fe9b4158b56d41c354faae08"
"google-site-verification=m-QMvgEDU9qNLudIXxeTsllheNT_xK8dUHZGyJnT-M8"
"pardot732683=8d8b6cdb4fcfd757a5fd7544a438b76c66ce3d63027ccca79b51339bb8940d02"
"9MHO11F0CJHFB5DADFPTVLKG28"
"pardot492551=1afa70fdc9198662c3b6c642664cb294010cd28f84e8c1bafa60767bc313ff63"
"canva-site-verification=A5ZXyZZPWP_61OQsxRDCQw"
"onetrust-domain-verification=b8b84d75a06343468a2b0aaf59d3b455"
"brevo-code:6e20117ae986167701df5d8c42fe4b08"
"ZOOM_verify_KxnVwfVI7ABUOoyKk9fi5U"
"v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDFmQEo1Af4IQCRjTqDw432CBhYhN3+Kq5q5NfjCdO75r+CrfD9SRNFzzmzH+YWML+cKybvpsvAreyEeUkQU+VUvEaeWv6K6ckJapJVNRoV35kH0JcacFaUsQSGrBxVFvueySCK+zXXWuHmEO+5H4D767dCWac50e5Z1ycQXz598wIDAQAB"
"airtable-verification=31eecc64d2781fbfa99879ad86187d0d"
"d365mktkey=3erejplbgf43s5seoj5tjvp1"
"google-site-verification=b6aSHcrXLn3ue8-g9fJvHDjWFmtuLGtQqSLg6pnYWKY"
"v=spf1 include:_spf.prod.campusgroups.com exists:%{i}._spf.mta.salesforce.com exists:%{i}._spf.sparkpostmail.com include:_spf.google.com include:salsalabs.org include:amazonses.com include:_spf-amer.onbmc.com include:50831232.spf08.hubspotemail.net includ" "e:huronclick.com include:email-od.com ip4:104.130.198.37 ip4:104.130.219.135 ip4:104.130.219.250 ip4:104.130.70.233 ip4:104.197.65.145 ip4:108.168.203.23/32 ip4:117.20.43.11/32 ip4:128.164.11.148 ip4:128.164.45.0/24 ip4:13.37.84.251/32 ip4:13.58.175.231/3" "2 ip4:13.58.219.195/32 ip4:135.84.80.0/22 ip4:136.117.59.37 ip4:136.143.160.0/24 ip4:136.143.184.0/24 ip4:136.143.188.0/24 ip4:139.60.0.0/22 ip4:139.60.152.0/22 ip4:147.160.167.0/26 ip4:15.200.201.185 ip4:15.200.21.50 ip4:15.200.44.248 ip4:158.228.129.79 " "ip4:159.135.235.14 ip4:160.1.62.192 ip4:161.253.145.110 ip4:161.253.145.144 ip4:161.253.150.3 ip4:161.253.166.0/26 ip4:162.247.216.0/22 ip4:165.140.171.0/24 ip4:165.173.128.0/24 ip4:168.245.3.219 ip4:173.203.56.127 ip4:173.203.79.77 ip4:173.203.81.82 ip4:" "173.203.82.6 ip4:176.31.145.254 ip4:18.136.72.214/32 ip4:18.188.134.198/32 ip4:18.219.6.37/32 ip4:18.223.90.163/31 ip4:198.187.196.100 ip4:198.187.196.130 ip4:198.241.207.0/24 ip4:199.231.134.73 ip4:199.244.78.223 ip4:199.244.78.224 ip4:199.30.234.192/27 " "ip4:199.30.234.56/29 ip4:199.30.234.64/26 ip4:199.30.235.11/32 ip4:199.67.64.0/24 ip4:206.107.42.249 ip4:206.107.42.254 ip4:207.195.176.0/20 ip4:208.117.49.214 ip4:216.147.212.20/30 ip4:216.235.195.0/24 ip4:216.24.225.0/24 ip4:216.24.226.0/24 ip4:216.248." "199.106 ip4:23.21.109.197 ip4:23.21.109.212 ip4:23.21.255.193/32 ip4:23.253.203.171 ip4:23.253.213.135 ip6:2606:69c0:5120:1005::12/64 ip6:2606:69c0:9120:1006::7/64 ip4:3.218.253.173 ip4:3.219.183.2/32 ip4:3.75.117.13/32 ip4:3.87.181.51/32 ip4:3.97.26.246/" "32 ip4:34.127.23.110 ip4:34.195.3.229/32 ip4:34.198.122.65 ip4:34.208.9.76 ip4:34.210.225.178 ip4:34.211.93.3 ip4:34.212.245.232 ip4:34.217.170.63 ip4:34.217.222.199 ip4:34.218.134.250 ip4:34.218.219.9 ip4:34.237.205.19/32 ip4:34.58.215.46 ip4:34.75.16.17" "8 ip4:34.75.49.213 ip4:34.86.109.48 ip4:35.155.205.36 ip4:35.163.187.232 ip4:35.167.179.172 ip4:35.169.190.25/32 ip4:35.169.198.45/32 ip4:35.177.188.31/32 ip4:35.203.175.213 ip4:35.184.208.151 ip4:35.229.62.77 ip4:35.245.6.248 ip4:35.245.63.129 ip4:37.216" ".222.128/28 ip4:37.59.202.74 ip4:44.219.181.110/32 ip4:44.234.7.164 ip4:50.112.141.209 ip4:50.16.210.116/32 ip4:50.97.164.168/32 ip4:52.0.20.102 ip4:52.0.90.143/32 ip4:52.11.246.83 ip4:52.12.219.5 ip4:52.13.16.134 ip4:52.2.238.96 ip4:52.20.146.34 ip4:52.2" "03.217.140 ip4:52.222.36.182/32 ip4:52.222.62.51 ip4:52.222.73.120/32 ip4:52.222.73.83 ip4:52.222.75.85 ip4:52.222.89.228 ip4:52.23.73.104/32 ip4:52.25.230.42 ip4:52.26.137.1 ip4:52.26.218.15 ip4:52.26.86.178 ip4:52.27.124.21 ip4:52.38.140.162 ip4:52.39.9" ".202 ip4:52.40.133.144 ip4:52.41.48.65 ip4:52.43.232.107 ip4:52.43.50.148 ip4:52.6.97.95/32 ip4:52.61.91.9 ip4:52.64.190.42/32 ip4:52.86.188.131 ip4:54.148.17.198 ip4:54.173.229.38 ip4:54.174.116.32 ip4:54.186.193.102/32 ip4:54.187.208.83 ip4:54.189.251.2" "40 ip4:54.190.223.39 ip4:54.191.38.125 ip4:54.236.109.30 ip4:54.236.128.150 ip4:54.69.12.59 ip4:54.69.172.93 ip4:54.69.65.158 ip4:54.69.73.61 ip4:54.87.108.204/32 ip4:64.244.120.32/27 ip4:64.244.122.192/27 ip4:64.69.212.0/24 ip4:64.74.237.230/31 ip4:67.20" "7.158.141 ip4:67.207.158.35 ip4:67.23.31.6 ip4:69.196.241.0/24 ip4:72.50.228.0/24 ip4:74.123.153.0/25 ip4:74.123.154.128/25 ip4:74.200.12.250/30 ip4:74.203.184.208/30 ip4:74.203.184.32/27 ip4:74.203.185.12/32 ip4:94.23.120.168 ip4:98.97.248.0/21 ip4:54.24" "0.121.247 ip4:54.240.121.248 ?all"
"sending_domain1046473=ba786974858cda0e6db195622631b3b16d582e1c658b806deb4bb25c602b8447"
"amazonses:uSNA8xVCApLno2D1Ywdq4ispaDmYmQ9VbZAQqod/kBc="
"cloudhealth=853feffe-d158-4a10-b0dc-9def3669008f"
"have-i-been-pwned-verification=dweb_98153da7bn5sxpf7nuzc7g5w"
"parallels-domain-verification=23563639a8494c959207d4c8d7895529970ee6fe9b4158b56d41c354faae08"
"adobe-idp-site-verification=cb99b02b-8fda-4e3f-9f8e-ec8b6827bbd0"
"atlassian-domain-verification=0fc8Me4FUADFMslHNR7k4f0/tlxw5N19+Ui9C53ix03/Y+joMb+4etMompSiJcVQ"
"smartsheet-site-validation=woFAbNnjGRznfyhnYUG1fqFYN80rnqmq"
"d365mktkey=21ls7roczloh9xs00snl7mg97"
"e2ma-verification=3gkgb"
"sentinelone-domain-verification=L9BgWICVgVN69JLPpOtdTDNZ2ilyViFbKGaNFRpoKRx"
"Sendinblue-code:c89baed3695d28c4d59243488e0991a2"
"apple-domain-verification=3Bta0d9USg5ofCTJ"
"pardot856403=00b8025b49582db558a6872ac41b6289acc517df124dbf4dea847a8a1f495b4c"
"MS=ms45007435"
"nintex.5a391b80f7333c67d3333c80"
"MS=ms80032915"
"google-site-verification=hqIwIqg0bcvfdON4EDRRe10r62Wkk_2uSASMXZUOMeo"
"cisco-ci-domain-verification=cfbbdf411859736014f8ea3e3b870b918d2f0d4524f7308c63b221ee473036e"

NS

2 record(s)
ns3.gwu.edu.
ns2.gwu.edu.

SOA

1 record(s)
ns1.gwu.edu. dns.gwu.edu. 688690272 1800 180 1209600 1800

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

NSEC

0 record(s)
—

Not configured

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 include:_spf.prod.campusgroups.com exists:%{i}._spf.mta.salesforce.com exists:%{i}._spf.sparkpostmail.com include:_spf.google.com include:salsalabs.org include:amazonses.com include:_spf-amer.onbmc.com include:50831232.spf08.hubspotemail.net include:huronclick.com include:email-od.com ip4:104.130.198.37 ip4:104.130.219.135 ip4:104.130.219.250 ip4:104.130.70.233 ip4:104.197.65.145 ip4:108.168.203.23/32 ip4:117.20.43.11/32 ip4:128.164.11.148 ip4:128.164.45.0/24 ip4:13.37.84.251/32 ip4:13.58.175.231/32 ip4:13.58.219.195/32 ip4:135.84.80.0/22 ip4:136.117.59.37 ip4:136.143.160.0/24 ip4:136.143.184.0/24 ip4:136.143.188.0/24 ip4:139.60.0.0/22 ip4:139.60.152.0/22 ip4:147.160.167.0/26 ip4:15.200.201.185 ip4:15.200.21.50 ip4:15.200.44.248 ip4:158.228.129.79 ip4:159.135.235.14 ip4:160.1.62.192 ip4:161.253.145.110 ip4:161.253.145.144 ip4:161.253.150.3 ip4:161.253.166.0/26 ip4:162.247.216.0/22 ip4:165.140.171.0/24 ip4:165.173.128.0/24 ip4:168.245.3.219 ip4:173.203.56.127 ip4:173.203.79.77 ip4:173.203.81.82 ip4:173.203.82.6 ip4:176.31.145.254 ip4:18.136.72.214/32 ip4:18.188.134.198/32 ip4:18.219.6.37/32 ip4:18.223.90.163/31 ip4:198.187.196.100 ip4:198.187.196.130 ip4:198.241.207.0/24 ip4:199.231.134.73 ip4:199.244.78.223 ip4:199.244.78.224 ip4:199.30.234.192/27 ip4:199.30.234.56/29 ip4:199.30.234.64/26 ip4:199.30.235.11/32 ip4:199.67.64.0/24 ip4:206.107.42.249 ip4:206.107.42.254 ip4:207.195.176.0/20 ip4:208.117.49.214 ip4:216.147.212.20/30 ip4:216.235.195.0/24 ip4:216.24.225.0/24 ip4:216.24.226.0/24 ip4:216.248.199.106 ip4:23.21.109.197 ip4:23.21.109.212 ip4:23.21.255.193/32 ip4:23.253.203.171 ip4:23.253.213.135 ip6:2606:69c0:5120:1005::12/64 ip6:2606:69c0:9120:1006::7/64 ip4:3.218.253.173 ip4:3.219.183.2/32 ip4:3.75.117.13/32 ip4:3.87.181.51/32 ip4:3.97.26.246/32 ip4:34.127.23.110 ip4:34.195.3.229/32 ip4:34.198.122.65 ip4:34.208.9.76 ip4:34.210.225.178 ip4:34.211.93.3 ip4:34.212.245.232 ip4:34.217.170.63 ip4:34.217.222.199 ip4:34.218.134.250 ip4:34.218.219.9 ip4:34.237.205.19/32 ip4:34.58.215.46 ip4:34.75.16.178 ip4:34.75.49.213 ip4:34.86.109.48 ip4:35.155.205.36 ip4:35.163.187.232 ip4:35.167.179.172 ip4:35.169.190.25/32 ip4:35.169.198.45/32 ip4:35.177.188.31/32 ip4:35.203.175.213 ip4:35.184.208.151 ip4:35.229.62.77 ip4:35.245.6.248 ip4:35.245.63.129 ip4:37.216.222.128/28 ip4:37.59.202.74 ip4:44.219.181.110/32 ip4:44.234.7.164 ip4:50.112.141.209 ip4:50.16.210.116/32 ip4:50.97.164.168/32 ip4:52.0.20.102 ip4:52.0.90.143/32 ip4:52.11.246.83 ip4:52.12.219.5 ip4:52.13.16.134 ip4:52.2.238.96 ip4:52.20.146.34 ip4:52.203.217.140 ip4:52.222.36.182/32 ip4:52.222.62.51 ip4:52.222.73.120/32 ip4:52.222.73.83 ip4:52.222.75.85 ip4:52.222.89.228 ip4:52.23.73.104/32 ip4:52.25.230.42 ip4:52.26.137.1 ip4:52.26.218.15 ip4:52.26.86.178 ip4:52.27.124.21 ip4:52.38.140.162 ip4:52.39.9.202 ip4:52.40.133.144 ip4:52.41.48.65 ip4:52.43.232.107 ip4:52.43.50.148 ip4:52.6.97.95/32 ip4:52.61.91.9 ip4:52.64.190.42/32 ip4:52.86.188.131 ip4:54.148.17.198 ip4:54.173.229.38 ip4:54.174.116.32 ip4:54.186.193.102/32 ip4:54.187.208.83 ip4:54.189.251.240 ip4:54.190.223.39 ip4:54.191.38.125 ip4:54.236.109.30 ip4:54.236.128.150 ip4:54.69.12.59 ip4:54.69.172.93 ip4:54.69.65.158 ip4:54.69.73.61 ip4:54.87.108.204/32 ip4:64.244.120.32/27 ip4:64.244.122.192/27 ip4:64.69.212.0/24 ip4:64.74.237.230/31 ip4:67.207.158.141 ip4:67.207.158.35 ip4:67.23.31.6 ip4:69.196.241.0/24 ip4:72.50.228.0/24 ip4:74.123.153.0/25 ip4:74.123.154.128/25 ip4:74.200.12.250/30 ip4:74.203.184.208/30 ip4:74.203.184.32/27 ip4:74.203.185.12/32 ip4:94.23.120.168 ip4:98.97.248.0/21 ip4:54.240.121.247 ip4:54.240.121.248 ?all

DMARC

Configured
v=DMARC1;p=reject;sp=reject;rua=mailto:dmarc_reports@email.gwu.edu, mailto:dmarc_agg@vali.email;fo=0:1:s:d;ruf=mailto:dmarc_reports@email.gwu.edu

DKIM

Selector google1
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhEaaL716VR697BiqUtH9VfN+C1/Z9zwZNONkNSAoKdiUA2sJrcCm4FtPLECqxeId+kWJw+6sdfrHnJ9LwXIQxGTw2LHSzphW3TYhOcrBBhpgjlhrL6leiplxFoVPR+HWQao2JIXnt9pflN0Jdy6LD3LGr3psmSs436Q9F9YCq0gjMNRlzsSt6UDHyRRsUXAAUyTMJfw51Yp1yO57/6k/5GKp7VEpHpZpyLlBH0Jlcn/aGp729+7/wwquw38w9HThJrQwzZNUlyVJWSDF0SiqKZy6CXBR+2U5Uq27EKZ30ES4KnLG0jehxlpPruDc4jqurj/0sbf7BiPO+6WZ5W8DyQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

No data
Title
Description
Final URL
https://gwu.edu/
HTTP status

HTTP

Status
Final URL
https://gwu.edu/
Version
0
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Unavailable
Available
No
Issuer
CN
Valid from
Valid until
Days remaining
Protocol
Cipher

Security headers

0 active
—
HSTSNot detected
—
Content Security PolicyNot detected
—
X-Content-Type-OptionsNot detected
—
X-Frame-OptionsNot detected
—
Referrer PolicyNot detected
—
Permissions PolicyNot detected
—
Cross-Origin-Opener-PolicyNot detected
—
Cross-Origin-Embedder-PolicyNot detected
—
Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
44,99 ms
Cloudflare
1.1.1.1
46,59 ms
Quad9
9.9.9.9
52,63 ms
OpenDNS
208.67.222.222
57,58 ms
AdGuard
94.140.14.14
62,47 ms

IP, geolocation and ASNAssociated network information

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

mailprdvadmz4-mx.es.gwu.edu

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 24.9 ms - 
Port 587: Closed/unreachable - 4040.5 ms -

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