harvard.edu
The domain harvard.edu answers at IP address 192.0.66.20. The domain DNS is managed by Akamai, which decides where each subdomain points. Mail for harvard.edu goes through 2 servers; the highest priority one is mx0a-00171101.pphosted.com. It also publishes 48 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 192.0.66.20 300s
MX MX records
- 100 mx0a-00171101.pphosted.com 154s
- 100 mx0b-00171101.pphosted.com 154s
NS NS records
- a11-67.akam.net 280s
- a1-171.akam.net 280s
- a16-64.akam.net 280s
- a7-65.akam.net 280s
- a10-66.akam.net 280s
- a6-66.akam.net 280s
TXT TXT records
- pardot_378242_*=8b485d5cd9114869cff8f307da5fa9287434ebec11621d88c07ce97a7fee06e0 180s
- globalsign-domain-verification=1C94E0FFAAE95796F597427644D90C03 180s
- v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.mailjet.com ~all 180s
- atlassian-domain-verification=Z8oUd5brL6/RGUMCkxs4U0P/RyhpiNJEIVx9HXJLr3uqEQ1eDmTnj1eq1ObCgY1i 180s
- fastly-domain-delgation-vdnblsdg768nm-21052021 180s
- pardot679353=f93ea3588d69483bf48dbf587511f51d43ddadaae52b8bac6856c8428559a06d 180s
- anthropic-domain-verification-gy5zhc=zmrGT2kyyc2HlnUn6f0utkQB6 180s
- atlassian-domain-verification=OYfkFwspEELRW6A32BsDVWgvdz8/pLBxVcq7s/mHLBVGqRQRG58XA5LRtDAGpfA7 180s
- smartsheet-site-validation=jfLh_IkQNJXuKKpTn7RydwiiaAOLy4CR 180s
- mgverify=45e7fcf3ed36156afa50e8dd90aa36e82af6f11b95e35537b03ecebd434b328a 180s
- jAykGnWytyLeBseMa8x2/MBve6/yQqana4yrAc1ROoei7uZHUkM2FU0Xx4qI/rm+kOGdImZdoq0fdodgLEw1dg== 180s
- cloudflare_dashboard_sso=ef2b950ccd264aba96ddef41e3cf3475 180s
- _hyz89h4dzuordjnlhz6kkyujqcd9smf 180s
- heroku-domain-verification=1qfmzz9vp3kexf4fr5zuliwvpieih2ffz4gexo7tlh4 180s
- anthropic-domain-verification-dprfjc=K9LyiFV7zLafnNLNO4lFjyaRx 180s
- Peh2GHoW8uiAzwS9tTZKlGBn9cMq6Y+XUFtrqmLtqFh1WvloPkzGczPsZcSdDfin4hZ7QiL9J7SM8yr7Yyzi8w== 180s
- openai-domain-verification=dv-e8vYSnmmPbWxpNte1iIKgvOO 180s
- adobe-idp-site-verification=66e813947c764d98330002232f383a68df8ad609065abb9482f3805dd2a1902c 180s
- pardot962443=9098884472c5cb29a2e20700b41411cb4aa5ebcf340360e71b2cd8464d8864b6 180s
- globalsign-domain-verification=5A1F4E0081852ECB9015E837384121AD 180s
- geneious.com:domain-verification=1781B6exIEsRBzJ0KzPtKg 180s
- google-site-verification=pWvLuNePLYxAbafZw2a95vnBhvcj12DzM9NulT9ujSY 180s
- airtable-verification=a92cef30671587a4f6deb7951c1c3f1a 180s
- google-site-verification=xXWxVElKH8ek_eW45CbAqVSMTQgAqLYUNQUrWpOmkrY 180s
- google-site-verification=DzhZyP8pu0M1-RFghfTcSN-9poidboYRNdfn2Rf2hCQ 180s
- globalsign-domain-verification=9ff12eafbeebb02a0f2b0383aef9d1fa 180s
- globalsign-domain-verification=1DDF777ED1ADF45E5FFAFFAAD6774180 180s
- status-page-domain-verification=p83gt91wpxms 180s
- airtable-verification=8b8110e9283dd87d57b3c5f2f5af2db1 180s
- google-site-verification=NEWpTHNZnWRWN3trkIMeFbuPVG3ExwOXUHlC9aJ2sks 180s
- brevo-code:30d9f789747b4c124f72dabf24a0a97f 180s
- google-site-verification=DZTZhbBaYJ6AO5j-tHFYBdkwryNywFh2gMUeg3SRDSg 180s
- globalsign-domain-verification=B8359DCEFBCF837B95E2F82282E4297A 180s
- globalsign-domain-verification=C44DEEAC45AB4DC2B5AD0B9B2E5D5803 180s
- atlassian-domain-verification=ASRKBXyOafZgDCRWh1Ylv34hiOSMgAIoNXs8H57rR3aTkuOD5KwJfUN9G3f7Ah/H 180s
- pardot378242=7001579db574e062735763ba81b54da111abc31facf16bbfa653ab6b8a770988 180s
- xIGeuA0e5B1BOjTE4IBO806ziFX9G1m2dVJ8zO7CMkmKwZ6MEkMXC0P7n5SRCGOdS9jbceH/7gKYgD4h9FBGKA== 180s
- ciscocidomainverification=41ce9827e3fbbca9ce75d5dbb5a6bc7b089dc4e239c1b56ba828216d1214480 180s
- MS=ms35192554 180s
- openai-domain-verification=dv-5z82SztO32q9YBNgFooNBz5v 180s
- globalsign-domain-verification=87677a19ae97bfbeec25ff1510a80420 180s
- google-site-verification=lY-T8NneGQX1RGXeaoBJjSmT_lx3dLRKDq1xY44ZI5w 180s
- google-site-verification=xqg8LPF_v_QMEIST789q8xhRDqUEX4_8lQjAvV6YykY 180s
- google-site-verification=MmfJS0BjLRgcxrlj8kAyNdToKeAmj0fKb-lPOnd5Pmo 180s
- globalsign-domain-verification=dcc2e5d0d67efc32044ae679c7cf19e6 180s
- pardot679353=3cc5e124c5020a1e160f01981f45be33a467a1c802711e0e5654184ef56d18c9 180s
- status-page-domain-verification=b4j4g69th3vv 180s
- airtable-verification=b25f432db3cbc5bfc481914364b6ce41 180s
SOA SOA records
- a1-171.akam.net 300s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 8 hours ago.