DNS Report: jhu.edu

Generated: 2026-08-08T18:22:16-05:00

71/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/202 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
OKDNSSEC chain15/15DS and DNSKEY detected.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5584 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers8/352 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40HTTP/2 403
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
128.220.193.2
AAAA
CNAME
MX
1 smtp.johnshopkins.edu.
TXT
"smartsheet-site-validation=o1IiE_3MJXBZ0xFwfwhtOhRmrOKxm1A8"
"google-site-verification=5Zsy53rEK-hXGheCVnv_KOA9ga3WMOe8LQlInYaE668"
"apple-domain-verification=42Nv9AYu4nSWv2l4"
"cisco-ci-domain-verification=4076af602b47f3714aa27fbdc0e14da0ca421ee8838942eabd7409b638930e39"
"google-site-verification=OYMuhxFsKdAKd7rlfSh6j9u2RU7ZlLOIMb-apkt_TLE"
"ca3-54ded686d84a42a6a8e74e31814ecad8"
"docusign=e0788c6f-1ca1-40be-b4f8-7e1516c85ef1"
"facebook-domain-verification=fui05pg5padt3lqjitadnizlq80543"
"docusign=73173acb-df50-4cbd-b139-cc9adedeae7d"
"xr53hrygrc5x351yc9rts2ggkv08kb3k"
"google-site-verification=PogZzKp2fPlmh5CJooxo4w6DOBZvtzxL0aBOsSiGZwI"
"asv=5da62ba592bab3d1542dbbf409a762ee"
"B46963ED2CDBA64064F249DEE16C5EAA"
"AppId=000000004C0DFC04"
"apple-domain-verification=Jn3ciaqDbX1EwcFk"
"google-site-verification=_78PEuF0BsnxniCMxdFGUXI8-rKuzXbA8w65yi5lRIs"
"atlassian-domain-verification=v82iuU5jtUo6DLhV8wuZZxOk5KYBZdPh/5H+/GFe2/qw/ulV5gYzSVyg1UvD5xyw"
"v=spf1 ip4:128.220.39.0/24 ip4:162.129.199.0/24 ip4:128.220.229.235 ip4:162.129.251.11 ip4:162.129.251.14 ip4:128.220.160.6 ip4:128.220.160.1 ip4:128.220.40.0/24 include:spf.protection.outlook.com include:service-now.com -all"
"wkq43htjtz52dntbmtjw17pv0tqbbv0m"
"google-site-verification=Hdg6lOHShC5P7Lb-ffkmurUN4E5BFTJ3NLZJu_9veDk"
"6d0krd2r1m6d4rfp4y16ryvjq72x1wj4"
"addevent=verification"
"STKWsca/U+sp2fESD+L8E88fJJ/CVjPAf5Td1GTp3H+Qp45vNgVnofYNV9mj4wsk8YaFZSVLsFxNzJNg9vAlYA=="
"anthropic-domain-verification-swf0eb=RQ8Zfyg8S3PQ2BZYxq1laA9K6"
"apple-domain-verification=puEi9pYMYXEBi6bg"
"google-site-verification=czjH79sUqAY6z7WdhXo0K3Z_uB8PQrWPoYZFLyG2ZyI"
"facebook-domain-verification=og2369fpji19hzsapehl97bxys6cna"
"ERF+yrd/ZMTjPnD5bs/nBFo+y0qQgnrv6og7UQaJONReXkEFyLl3peWV1tnVep8tHaJ1RgDgxvRplFYItpeyMw=="
"e2ma-verification=e15fb"
"include:50639708.spf04.hubspotemail.net" "v=spf1 " "ip4:128.220.39.0/24 " "ip4:162.129.199.0/24 " "ip4:162.129.251.11 " "ip4:162.129.251.14 " "ip4:128.220.160.6 " "ip4:128.220.160.1 " "ip4:128.220.40.0/24 " "include:spf.protection.outlook.com include:service-now.com -all" ""
"facebook-domain-verification=w4q5d6dqct374zdq9lk2a8yfsucsne"
"google-site-verification=ilMpBs6aLedW4vFTLGnCyGYoQuSB5azucOxwxSMIsbg"
"facebook-domain-verification=llmgbgm34s61kngl4fu1njobuwv9dc"
"ZOOM_verify_HBPKAym7Tz-eFLcbrv5qMQ"
"google-site-verification=hNzuzBrLneJ7I5LUSy4YheAPZH2ZTk4Lhz76BOMrViE"
"docusign=29c2d014-367b-4c7c-a9fe-d6512a2f37b1"
"airtable-verification=79c988870bd1359906d21b0f994f3e00"
"docusign=47d09d1e-f20e-45ae-8348-9e0cde59d212"
"be53a892b3bf7129c12261ba89e8317ddc94023220d76fd9fa150b6d4b8f5c24"
NS
ens1.jhu.edu.
ens1.jhmi.edu.
SOA
ens1.jhu.edu. empty.empty. 2014191270 3600 600 1209600 3600
CAA
DS
45408 13 2 01AD583736919D58E0E3FCEF5039BA38EF7BAD2A7126081E09A310DB 794AB9BF
5765 13 2 511CBC39BDC1317A3F765A9E17EA226078E1BD299261335B864D40AE 8A8574C5
DNSKEY
257 3 13 QNPCWIhDrZzF08sxp4JHyEZm4AldNWoJR780z8CiOFMcrsPTYUsBfcdF njqnzZ3EW4cuviwYn5SHHrZ4CmQEeA==
257 3 13 88yip1AcgB1ymHotAzD03EjymiZESHzWhavyHif8xXUTKqN95ISNU4rY 4p0LgFc5IE/RKoeGvVNfMzukYISTIQ==
256 3 13 c0Xf6VGtpbDERSnmGItlg+yftYHcRJoG/CBzEswhBPSrSIKEAf2bgeUC qNq48ieoXI09zH4NRVfqwCVlZvcyEw==
256 3 13 /CxBqoFBMXFFZ3/My0XdB6LfEMof/62uglcjBi8o/HcqrqvA8HnvplXC mjHqNN8kLY5d9QWIEkBSBob8ihoGKA==
256 3 13 582jkzDa6dDqsUskyJRXoLlS//FsbE59ubjiG1wEvwxqaWCVX9rMR8gI jKntqCpYYkl/eNc+PfnSLedxYtBmvQ==
RRSIG
SOA 13 2 3600 20260907230913 20260808220913 21566 jhu.edu. LIq3SEwSpurx3MO9vMKL2Al3yDvcjsFlcNKFhGnk0UDyXD+86jRXH30p 2WSwYtrbEqUJa9N8Q9C5RlClhePPuw==
NS 13 2 3600 20260904185010 20260805180911 21566 jhu.edu. ySkVr3UpEu//6MXgzZZKZBWh6s2f1umG8FnqeIAi9VMzq6aHL4HhG7iH h855D8fCRmAQUD1cxcUtdIxcVwQD1w==
TXT 13 2 3600 20260828121220 20260729115909 21566 jhu.edu. Lc7ddjmgtqbWLZufBtgpdhQYBdhblzDGvNEugaqOkDcNDbXkN/r3c1he dGgB4G1IAp+8Tigbry1hMnUYNps+Jg==
DS 13 2 86400 20260814033304 20260807022304 6705 edu. 9YJOeApO6UkefCRYLPIP7vck3Y2/4iYgHI4SBgDV8310+KhOhiWRXAn9 g7EuTVjOLM6Yhf95b8H4lJRGtTF2vQ==
MX 13 2 86400 20260904185010 20260805180911 21566 jhu.edu. nFwmWgO5cm/28RuOkZHji5W7aIX0jRviJhvE3Z1BFNZtoYFK9jkosSqg RbMwwUp1X5w6qQTfwjCCJsbbBw0esw==
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP