IPv4 Addresses

TTL

Name Servers

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Mail Servers

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SOA Details

TTL
SOA Primary NS
5m
SOA Responsible
netmanager.harvard.edu
SOA Serial
2023071843
SOA Times
Refresh 3h
Retry 1h
Expire 28d
Minimum TTL 1h

Certificate Authority Authorization

TTL

No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.

DMARC

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DMARC Policy

Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).

none quarantine reject
10m
DMARC Subdomain Policy

Subdomain policy (sp): when set, it applies to hostnames below this domain instead of p; if omitted, subdomains inherit the organizational policy.

none quarantine reject
DMARC Percentage

pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).

100
DMARC RUA

Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.

DMARC RUF

Forensic (per-failure) reports. Often omitted for privacy or volume.

No forensic report URIs (RUF).

DKIM

TTL
DKIM Selector default
v=DKIM1 k=rsa
20m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDc2l1ozDhNKU/uIMrW...
DKIM Selector mandrill
v=DKIM1 k=rsa
20m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J...
DKIM Selector spop1024
v=DKIM1 k=rsa
20m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDOz5j1Sozwjy8ddojB...
DKIM Selector k2
v=DKIM1 k=rsa
1m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOw...
DKIM Selector k3
v=DKIM1 k=rsa
1m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsYGiMSn7fsUq...
DKIM Selector selector1
v=DKIM1 k=rsa
20m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnDy0wsbQs4P4...

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass include
%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email
~ Softfail all
20m

MTA-STS

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This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).

Text Content

TTL
MS=ms35192554
20m
adobe-idp-site-verification=66e813947c764d98330002232f383a68df8ad609065abb9482f3805dd2a1902c
20m
airtable-verification=8b8110e9283dd87d57b3c5f2f5af2db1
20m
airtable-verification=a92cef30671587a4f6deb7951c1c3f1a
20m
airtable-verification=b25f432db3cbc5bfc481914364b6ce41
20m
anthropic-domain-verification-dprfjc=K9LyiFV7zLafnNLNO4lFjyaRx
20m
anthropic-domain-verification-gy5zhc=zmrGT2kyyc2HlnUn6f0utkQB6
20m
atlassian-domain-verification=ASRKBXyOafZgDCRWh1Ylv34hiOSMgAIoNXs8H57rR3aTkuOD5KwJfUN9G3f7Ah/H
20m
atlassian-domain-verification=OYfkFwspEELRW6A32BsDVWgvdz8/pLBxVcq7s/mHLBVGqRQRG58XA5LRtDAGpfA7
20m
atlassian-domain-verification=Z8oUd5brL6/RGUMCkxs4U0P/RyhpiNJEIVx9HXJLr3uqEQ1eDmTnj1eq1ObCgY1i
20m
brevo-code:30d9f789747b4c124f72dabf24a0a97f
20m
ciscocidomainverification=41ce9827e3fbbca9ce75d5dbb5a6bc7b089dc4e239c1b56ba828216d1214480
20m
geneious.com:domain-verification=1781B6exIEsRBzJ0KzPtKg
20m
globalsign-domain-verification=1C94E0FFAAE95796F597427644D90C03
20m
globalsign-domain-verification=1DDF777ED1ADF45E5FFAFFAAD6774180
20m
globalsign-domain-verification=5A1F4E0081852ECB9015E837384121AD
20m
globalsign-domain-verification=87677a19ae97bfbeec25ff1510a80420
20m
globalsign-domain-verification=9ff12eafbeebb02a0f2b0383aef9d1fa
20m
globalsign-domain-verification=B8359DCEFBCF837B95E2F82282E4297A
20m
globalsign-domain-verification=C44DEEAC45AB4DC2B5AD0B9B2E5D5803
20m
globalsign-domain-verification=dcc2e5d0d67efc32044ae679c7cf19e6
20m
google-site-verification=DZTZhbBaYJ6AO5j-tHFYBdkwryNywFh2gMUeg3SRDSg
20m
google-site-verification=DzhZyP8pu0M1-RFghfTcSN-9poidboYRNdfn2Rf2hCQ
20m
google-site-verification=MmfJS0BjLRgcxrlj8kAyNdToKeAmj0fKb-lPOnd5Pmo
20m
google-site-verification=NEWpTHNZnWRWN3trkIMeFbuPVG3ExwOXUHlC9aJ2sks
20m
google-site-verification=lY-T8NneGQX1RGXeaoBJjSmT_lx3dLRKDq1xY44ZI5w
20m
google-site-verification=pWvLuNePLYxAbafZw2a95vnBhvcj12DzM9NulT9ujSY
20m
google-site-verification=xXWxVElKH8ek_eW45CbAqVSMTQgAqLYUNQUrWpOmkrY
20m
google-site-verification=xqg8LPF_v_QMEIST789q8xhRDqUEX4_8lQjAvV6YykY
20m
heroku-domain-verification=1qfmzz9vp3kexf4fr5zuliwvpieih2ffz4gexo7tlh4
20m
jamf-site-verification=3o6gdpul8xpeqY0GpAZqxw
20m
openai-domain-verification=dv-5z82SztO32q9YBNgFooNBz5v
20m
openai-domain-verification=dv-e8vYSnmmPbWxpNte1iIKgvOO
20m
pardot378242=7001579db574e062735763ba81b54da111abc31facf16bbfa653ab6b8a770988
20m
pardot679353=3cc5e124c5020a1e160f01981f45be33a467a1c802711e0e5654184ef56d18c9
20m
pardot679353=f93ea3588d69483bf48dbf587511f51d43ddadaae52b8bac6856c8428559a06d
20m
pardot962443=9098884472c5cb29a2e20700b41411cb4aa5ebcf340360e71b2cd8464d8864b6
20m
pardot_378242_*=8b485d5cd9114869cff8f307da5fa9287434ebec11621d88c07ce97a7fee06e0
20m
smartsheet-site-validation=jfLh_IkQNJXuKKpTn7RydwiiaAOLy4CR
20m
status-page-domain-verification=b4j4g69th3vv
20m
status-page-domain-verification=p83gt91wpxms
20m
TXT
Peh2GHoW8uiAzwS9tTZKlGBn9cMq6Y+XUFtrqmLtqFh1WvloPkzGczPsZcSdDfin4hZ7QiL9J7SM8yr7Yyzi8w==
20m
TXT
_51a79b140kb1cu9o67nzuefyhhxthv9
20m
TXT
_cwe6cxmi9tji7gazwtzipl4onpu23nv
20m
TXT
fastly-domain-delgation-vdnblsdg768nm-21052021
20m
TXT
jAykGnWytyLeBseMa8x2/MBve6/yQqana4yrAc1ROoei7uZHUkM2FU0Xx4qI/rm+kOGdImZdoq0fdodgLEw1dg==
20m
TXT
xIGeuA0e5B1BOjTE4IBO806ziFX9G1m2dVJ8zO7CMkmKwZ6MEkMXC0P7n5SRCGOdS9jbceH/7gKYgD4h9FBGKA==
20m

DNSSEC Public Keys

TTL
DNSKEY
257 3 13 64YUnmo3rce+5LaTJEOPG87BIJ8lZ9TkyrfjKA5cN8YC3WfGiP/NOLhRDKu3dQl4SO3CIUgp4iZAddAcZ1kNNQ==
20m
DNSKEY
256 3 13 z4+zaHz0+eZ6kANZXSyP4Lorm3wfi/rqJp+Je2xQh8SvH46T0ayraJ2Y3TH/dNH8vWjmVVIdfVN1jYwA6tFP4g==
20m
DNSKEY
257 3 13 EkKHwxdk/inZi8RzddPQHgHBjT2gv01pa7ayCsnJUqJE8VYfsBdz5ZLH8oyUvHZ4s5d7FVaxivHoQBnkn85FTA==
20m
DNSKEY
256 3 13 dzPMFlg3PDnoAzYsP+yX3ifKG+O/wqlMbzB1krDXAu1hOZnmrxZIMrvb4jqWsVpO+f5fA72j4iWfr+El2HqFuQ==
20m

DNSSEC Signatures

TTL
RRSIG
TXT 13 2 10800 1778507193 1778244393 13212 harvard.edu HXoUbsZktWZflKp8hX7A452nc6kGZU1JLTHD2PWaA0+PdK0LUN1Wludr17ooI0ihYzygVaYlyNgWnsoqctiP9Q==
20m
RRSIG
TYPE51 13 2 3600 1778507193 1778244393 13212 harvard.edu 91ZAacHV8XM12uVq7zNDilOVYgs0NnBTUdoAvf491Ipe09QoOVPr70oQ57R865dUnusFp1rmwowu6uB7rjexaA==
20m
RRSIG
DNSKEY 13 2 7200 1778507193 1778244393 9215 harvard.edu iAkWlTe/WRLyScVJo4H8hVUYoTcC4916LvADX5eSIjVCq+e9NSZpCNxZgZaUrstQO38X7So6g/i2KBTuC3oPFA==
20m
RRSIG
DNSKEY 13 2 7200 1778507193 1778244393 38415 harvard.edu jRjYbBjJfB34eKkl1mkEOJj3s4esZyBbyayna3boUYxBKQNDt17GcBKqlP8j3GnIoMNIjMrGSzF5vKrdKUEPXA==
20m
RRSIG
SOA 13 2 300 1778507193 1778244393 13212 harvard.edu z1hX1s+a1r+EaG+ctOdunGoVyaffgO6PBWtEk9qg0Dtl0uqP9Q/pHNrvqiz0TrH8OOSvo21CKgE+JrpMNzno9w==
5m
RRSIG
MX 13 2 180 1778507193 1778244393 13212 harvard.edu 5p8Jfg/fruoOF2w6Y4OV37bYx6l/sGQxXmt8b7qryHYC9APX+YoWMD1G1wOf6LZynLMEwS+x0pt2smnYQmGKSA==
3m
RRSIG
A 13 2 300 1778507193 1778244393 13212 harvard.edu eaoHMcA825rfFqwkPITVV/OIh2814949mjXVyvgZ66ttwR89RB2NP7qAGKm0jZDJvj0FYu+cj+diKRTZEFpshQ==
5m
RRSIG
NS 13 2 300 1778507193 1778244393 13212 harvard.edu 38ALAsK4xN5e19q7D9k9lFw1Il2AjgSpVv0HGS0KdUP1cB4f9xhpOMAW23PNIAHrIMisBXW0bxrj93daYYc2XA==
5m