`implicit.harvard.edu`

DNSSEC	⚠️ Not signed
A	3.214.222.125^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-214-222-125.compute-1.amazonaws.com`
A	52.2.49.221^{🇺🇸 Amazon52.2.0.0/15 EC2 IAD prefix}
A	52.207.133.198^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
NS	`ns-790.awsdns-34.net` ⭐
		A	2600:9000:5303:1600::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-790.awsdns-34.net`
		A	205.251.195.22^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-790.awsdns-34.net`
NS	`ns-1394.awsdns-46.org`
		A	2600:9000:5305:7200::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1394.awsdns-46.org`
		A	205.251.197.114^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1394.awsdns-46.org`
NS	`ns-152.awsdns-19.com`
		A	2600:9000:5300:9800::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-152.awsdns-19.com`
		A	205.251.192.152^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-152.awsdns-19.com`
NS	`ns-1781.awsdns-30.co.uk`
		A	2600:9000:5306:f500::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1781.awsdns-30.co.uk`
		A	205.251.198.245^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1781.awsdns-30.co.uk`
SOA	`ns-790.awsdns-34.net`awsdns-hostmaster@amazon.com serial=1

`harvard.edu`

	DNSSEC	🔒 Signed (DS record present)
	A	192.0.66.20^{🇺🇸 Automattic192.0.66.0/24 Route Object}
	NS	`a1-171.akam.net` ⭐
	NS	`a10-66.akam.net`
	NS	`a11-67.akam.net`
	NS	`a16-64.akam.net`
	NS	`a6-66.akam.net`
	NS	`a7-65.akam.net`
	MX	`mx0a-00171101.pphosted.com` ⭐
	MX	`mx0b-00171101.pphosted.com` ⭐
	TXT	`google-site-verification=DZTZhbBaYJ6AO5j-tHFYBdkwryNywFh2gMUeg3SRDSg`
	TXT	`pardot378242=7001579db574e062735763ba81b54da111abc31facf16bbfa653ab6b8a770988`
	TXT	`v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.mailjet.c...`
	TXT	`atlassian-domain-verification=ASRKBXyOafZgDCRWh1Ylv34hiOSMgAIoNXs8H57rR3aTkuO...`
	TXT	`heroku-domain-verification=1qfmzz9vp3kexf4fr5zuliwvpieih2ffz4gexo7tlh4`
	TXT	`globalsign-domain-verification=B8359DCEFBCF837B95E2F82282E4297A`
	TXT	`globalsign-domain-verification=dcc2e5d0d67efc32044ae679c7cf19e6`
	TXT	`globalsign-domain-verification=5A1F4E0081852ECB9015E837384121AD`
	TXT	`geneious.com:domain-verification=1781B6exIEsRBzJ0KzPtKg`
	TXT	`google-site-verification=xXWxVElKH8ek_eW45CbAqVSMTQgAqLYUNQUrWpOmkrY`
	TXT	`google-site-verification=lY-T8NneGQX1RGXeaoBJjSmT_lx3dLRKDq1xY44ZI5w`
	TXT	`globalsign-domain-verification=1C94E0FFAAE95796F597427644D90C03`
	TXT	`status-page-domain-verification=b4j4g69th3vv`
	TXT	`status-page-domain-verification=p83gt91wpxms`
	TXT	`atlassian-domain-verification=OYfkFwspEELRW6A32BsDVWgvdz8/pLBxVcq7s/mHLBVGqRQ...`
	TXT	`atlassian-domain-verification=Z8oUd5brL6/RGUMCkxs4U0P/RyhpiNJEIVx9HXJLr3uqEQ1...`
	TXT	`_51a79b140kb1cu9o67nzuefyhhxthv9`
	TXT	`xIGeuA0e5B1BOjTE4IBO806ziFX9G1m2dVJ8zO7CMkmKwZ6MEkMXC0P7n5SRCGOdS9jbceH/7gKYg...`
	TXT	`google-site-verification=MmfJS0BjLRgcxrlj8kAyNdToKeAmj0fKb-lPOnd5Pmo`
	TXT	`anthropic-domain-verification-gy5zhc=zmrGT2kyyc2HlnUn6f0utkQB6`
	TXT	`airtable-verification=b25f432db3cbc5bfc481914364b6ce41`
	TXT	`adobe-idp-site-verification=66e813947c764d98330002232f383a68df8ad609065abb948...`
	TXT	`globalsign-domain-verification=9ff12eafbeebb02a0f2b0383aef9d1fa`
	TXT	`jAykGnWytyLeBseMa8x2/MBve6/yQqana4yrAc1ROoei7uZHUkM2FU0Xx4qI/rm+kOGdImZdoq0fd...`
	TXT	`globalsign-domain-verification=1DDF777ED1ADF45E5FFAFFAAD6774180`
	TXT	`google-site-verification=DzhZyP8pu0M1-RFghfTcSN-9poidboYRNdfn2Rf2hCQ`
	TXT	`pardot679353=f93ea3588d69483bf48dbf587511f51d43ddadaae52b8bac6856c8428559a06d`
	TXT	`airtable-verification=8b8110e9283dd87d57b3c5f2f5af2db1`
	TXT	`Peh2GHoW8uiAzwS9tTZKlGBn9cMq6Y+XUFtrqmLtqFh1WvloPkzGczPsZcSdDfin4hZ7QiL9J7SM8...`
	TXT	`pardot_378242_*=8b485d5cd9114869cff8f307da5fa9287434ebec11621d88c07ce97a7fee06e0`
	TXT	`anthropic-domain-verification-dprfjc=K9LyiFV7zLafnNLNO4lFjyaRx`
	TXT	`_cwe6cxmi9tji7gazwtzipl4onpu23nv`
	TXT	`globalsign-domain-verification=87677a19ae97bfbeec25ff1510a80420`
	TXT	`google-site-verification=pWvLuNePLYxAbafZw2a95vnBhvcj12DzM9NulT9ujSY`
	TXT	`brevo-code:30d9f789747b4c124f72dabf24a0a97f`
	TXT	`pardot679353=3cc5e124c5020a1e160f01981f45be33a467a1c802711e0e5654184ef56d18c9`
	TXT	`google-site-verification=NEWpTHNZnWRWN3trkIMeFbuPVG3ExwOXUHlC9aJ2sks`
	TXT	`MS=ms35192554`
	TXT	`smartsheet-site-validation=jfLh_IkQNJXuKKpTn7RydwiiaAOLy4CR`
	TXT	`google-site-verification=xqg8LPF_v_QMEIST789q8xhRDqUEX4_8lQjAvV6YykY`
	TXT	`fastly-domain-delgation-vdnblsdg768nm-21052021`
	TXT	`airtable-verification=a92cef30671587a4f6deb7951c1c3f1a`
	TXT	`openai-domain-verification=dv-e8vYSnmmPbWxpNte1iIKgvOO`
	TXT	`pardot962443=9098884472c5cb29a2e20700b41411cb4aa5ebcf340360e71b2cd8464d8864b6`
	TXT	`openai-domain-verification=dv-5z82SztO32q9YBNgFooNBz5v`
	TXT	`ciscocidomainverification=41ce9827e3fbbca9ce75d5dbb5a6bc7b089dc4e239c1b56ba82...`
	TXT	`globalsign-domain-verification=C44DEEAC45AB4DC2B5AD0B9B2E5D5803`
	SOA	`a1-171.akam.net`netmanager@harvard.edu 2023-07-21 #69

WOT: SAFE (94/100)
rank #107 globally
rank #2 in the tld

harvard.edu

Harvard University's official domain, used for its main website and central academic, administrative, and public information services. It is operated by Harvard University, one of the oldest and most prominent private research universities in the United States.

Key facts

Owner / operator: Harvard University
TLD:.edu— sponsored (restricted to accredited post-secondary institutions in the US)
Primary purpose: university website — academics, admissions, research, administration
Status: active

Related domains

Individual Harvard schools and units commonly use subdomains or related domains, such ashbs.edu(Harvard Business School) andhks.harvard.edu(Harvard Kennedy School)

Semrush Rank:#120 Keywords:6,916,151 Traffic:18,685,866/mo
WOT: SAFE (90/100)
📈 Tranco rank: #302

Harvard University

Harvard University is the oldest institution of higher education in the United States, founded in 1636 in Cambridge, Massachusetts. It is one of the world's most prestigious universities, comprising 15+ schools including Harvard College, Harvard Law School, Harvard Medical School, and Harvard Business School. The university offers programs for every phase of learning—from undergraduate concentrations to graduate degrees and professional development.

Notable Features

Quantum Research Leadership: Home to the world's first Ph.D. programs in quantum science and engineering through the Harvard Quantum Initiative
Research Excellence: Pioneering work across disciplines including AI, medicine, public health, and quantum computing
Extensive Resources: 17 libraries, world-class museums, and comprehensive research centers

DNS & Hosting Infrastructure

Service	Provider	Details
DNS	Akamai	6 nameservers (a1-171.akam.net, a6-66.akam.net, a7-65.akam.net, a10-66.akam.net, a11-67.akam.net, a16-64.akam.net)
Web Hosting	Automattic	192.0.66.20
Email	Proofpoint	mx0a-00171101.pphosted.com, mx0b-00171101.pphosted.com (priority 100)
DNSSEC	Not enabled	No DS record present

The domain has 46 TXT records for service verifications including Google, Adobe, Anthropic, and Atlassian integrations.

Subdomains

www.implicit.harvard.edu

app-dev-02.implicit.harvard.edu

gestalt.implicit.harvard.edu

Same first word

implicit.fr

implicit.readthedocs.io

implicit.eu

implicit.net

implicit.de

implicit.com

implicit.co

implicit.us

implicit.cz

implicit.se

implicit.com.au

implicit.no

implicit.dk

implicit.ca

implicit.org

Similar names

limitpic.com

DNS History

32 records (7 active, 25 former)

○NScnrdns1.fas.harvard.edu2008-02-24 → 2008-02-24 · 3 obs

● 2008-02-24 11:38:40
○ 2015-08-25 07:15:46
○ 2026-07-12 21:58:08

○NScnrdns2.fas.harvard.edu2008-02-24 → 2008-02-24 · 3 obs

● 2008-02-24 11:38:40
○ 2015-08-25 07:15:46
○ 2026-07-12 21:58:08

○NSext-dns-1.harvard.edu2015-12-25 → 2017-09-16 · 5 obs

○ 2015-12-20 16:52:52
● 2015-12-25 07:29:36
● 2017-09-16 20:36:32
○ 2026-02-19 00:53:08
○ 2026-07-12 21:58:08

○NSext-dns-2.harvard.edu2015-12-25 → 2017-09-16 · 5 obs

○ 2015-12-20 16:52:52
● 2015-12-25 07:29:36
● 2017-09-16 20:36:32
○ 2026-02-19 00:53:08
○ 2026-07-12 21:58:08

○NSexternaldns-c1.harvard.edu2015-08-25 → 2015-12-20 · 5 obs

○ 2008-02-24 11:38:40
● 2015-08-25 07:15:46
● 2015-12-20 16:52:52
○ 2015-12-25 07:29:36
○ 2026-07-12 21:58:08

○NSexternaldns-c2.harvard.edu2015-08-25 → 2015-12-20 · 5 obs

○ 2008-02-24 11:38:40
● 2015-08-25 07:15:46
● 2015-12-20 16:52:52
○ 2015-12-25 07:29:36
○ 2026-07-12 21:58:08

○NSexternaldns-c3.br.harvard.edu2015-08-25 → 2015-12-29 · 5 obs

○ 2008-02-24 11:38:40
● 2015-08-25 07:15:46
● 2015-12-29 22:55:56
○ 2016-01-03 08:50:28
○ 2026-07-12 21:58:08

○NSint-dns-2.harvard.edu2015-12-20 → 2017-09-16 · 5 obs

○ 2015-12-16 02:24:20
● 2015-12-20 16:52:52
● 2017-09-16 20:36:32
○ 2026-02-19 00:53:08
○ 2026-07-12 21:58:08

○NSinternaldns-b1.harvard.edu2015-08-25 → 2015-12-16 · 5 obs

○ 2008-02-24 11:38:40
● 2015-08-25 07:15:46
● 2015-12-16 02:24:20
○ 2015-12-20 16:52:52
○ 2026-07-12 21:58:08

●NSns-1394.awsdns-46.org2026-02-19 → 2026-07-12 · 3 obs

○ 2017-09-16 20:36:32
● 2026-02-19 00:53:08
● 2026-07-12 21:58:08

●NSns-152.awsdns-19.com2026-02-19 → 2026-07-12 · 3 obs

○ 2017-09-16 20:36:32
● 2026-02-19 00:53:08
● 2026-07-12 21:58:08

●NSns-1781.awsdns-30.co.uk2026-02-19 → 2026-07-12 · 3 obs

○ 2017-09-16 20:36:32
● 2026-02-19 00:53:08
● 2026-07-12 21:58:08

●NSns-790.awsdns-34.net2026-02-19 → 2026-07-12 · 3 obs

○ 2017-09-16 20:36:32
● 2026-02-19 00:53:08
● 2026-07-12 21:58:08

○A100.50.56.1422026-02-19 → 2026-02-19 · 5 obs

○ 2017-09-16 20:36:32
● 2026-02-19 00:53:08
● 2026-02-19 14:51:48
○ 2026-03-26 05:35:22
○ 2026-07-12 21:58:08

○A140.247.35.752008-02-24 → 2017-09-16 · 4 obs

● 2008-02-24 11:38:40
● 2017-09-16 20:36:32
○ 2026-02-19 00:53:08
○ 2026-07-12 21:58:08

○A18.213.33.152026-02-19 → 2026-02-19 · 5 obs

○ 2017-09-16 20:36:32
● 2026-02-19 00:53:08
● 2026-02-19 14:51:48
○ 2026-03-26 05:35:22
○ 2026-07-12 21:58:08

○A3.213.126.1592026-03-26 → 2026-03-26 · 5 obs

○ 2026-02-19 14:51:48
● 2026-03-26 05:35:22
● 2026-03-26 09:36:52
○ 2026-04-30 23:15:20
○ 2026-07-12 21:58:08

●A3.214.222.1252026-07-11 → 2026-07-12 · 3 obs

○ 2026-06-13 09:59:08
● 2026-07-11 21:19:36
● 2026-07-12 21:58:08

○A3.224.208.1362026-06-11 → 2026-06-13 · 5 obs

○ 2026-04-30 23:15:20
● 2026-06-11 22:06:30
● 2026-06-13 09:59:08
○ 2026-07-11 21:19:36
○ 2026-07-12 21:58:08

○A3.230.36.102026-06-11 → 2026-06-13 · 5 obs

○ 2026-04-30 23:15:20
● 2026-06-11 22:06:30
● 2026-06-13 09:59:08
○ 2026-07-11 21:19:36
○ 2026-07-12 21:58:08

○A34.226.39.402026-03-26 → 2026-03-26 · 5 obs

○ 2026-02-19 14:51:48
● 2026-03-26 05:35:22
● 2026-03-26 09:36:52
○ 2026-04-30 23:15:20
○ 2026-07-12 21:58:08

○A34.234.143.572026-04-30 → 2026-04-30 · 4 obs

○ 2026-03-26 09:36:52
● 2026-04-30 23:15:20
○ 2026-06-11 22:06:30
○ 2026-07-12 21:58:08

○A35.173.2.1172026-02-19 → 2026-02-19 · 5 obs

○ 2017-09-16 20:36:32
● 2026-02-19 00:53:08
● 2026-02-19 14:51:48
○ 2026-03-26 05:35:22
○ 2026-07-12 21:58:08

○A35.173.66.2492026-02-19 → 2026-07-12 · 2 obs

○ 2026-02-19 00:53:08
○ 2026-07-12 21:58:08

○A44.199.98.1382026-04-30 → 2026-04-30 · 4 obs

○ 2026-03-26 09:36:52
● 2026-04-30 23:15:20
○ 2026-06-11 22:06:30
○ 2026-07-12 21:58:08

○A44.209.216.242026-04-30 → 2026-04-30 · 4 obs

○ 2026-03-26 09:36:52
● 2026-04-30 23:15:20
○ 2026-06-11 22:06:30
○ 2026-07-12 21:58:08

○A44.214.85.132026-06-11 → 2026-06-13 · 5 obs

○ 2026-04-30 23:15:20
● 2026-06-11 22:06:30
● 2026-06-13 09:59:08
○ 2026-07-11 21:19:36
○ 2026-07-12 21:58:08

○A44.219.152.312026-03-26 → 2026-03-26 · 5 obs

○ 2026-02-19 14:51:48
● 2026-03-26 05:35:22
● 2026-03-26 09:36:52
○ 2026-04-30 23:15:20
○ 2026-07-12 21:58:08

●A52.2.49.2212026-07-11 → 2026-07-12 · 3 obs

○ 2026-06-13 09:59:08
● 2026-07-11 21:19:36
● 2026-07-12 21:58:08

●A52.207.133.1982026-07-11 → 2026-07-12 · 3 obs

○ 2026-06-13 09:59:08
● 2026-07-11 21:19:36
● 2026-07-12 21:58:08

○A54.87.193.562026-02-19 → 2026-07-12 · 2 obs

○ 2026-02-19 00:53:08
○ 2026-07-12 21:58:08

○A98.91.104.122026-02-19 → 2026-07-12 · 2 obs

○ 2026-02-19 00:53:08
○ 2026-07-12 21:58:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...	26 records
harvard.edu	a7-65.akam.net, a11-67.akam.net, a1-171.akam.net, a16-64.akam.net...	-
implicit.harvard.edu	ns-152.awsdns-19.com, ns-790.awsdns-34.net, ns-1781.awsdns-30.co.uk, ns-1394.awsdns-46.org	-

✅ Authoritative Response

Server:205.251.192.152

NS records: ns-152.awsdns-19.com, ns-790.awsdns-34.net, ns-1781.awsdns-30.co.uk, ns-1394.awsdns-46.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for implicit.harvard.edu (unsigned zone)

⏱️ Timing

Total: 2102ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`52.2.49.221, 52.207.133.198...`
NS	4	`ns-1394.awsdns-46.org, ns-152.awsdns-19.com...`
SOA	1	`ns-790.awsdns-34.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 26

Out-of-bailiwick: 26 (a.edu-servers.net, b.edu-servers.net, c.edu-servers.net...)

Analysis

Hierarchy

implicit.harvard.edu is the parent domain of www.implicit.harvard.edu, app-dev-02.implicit.harvard.edu and gestalt.implicit.harvard.edu.

IP Addresses

implicit.harvard.edu resolves to three IP addresses: 3.214.222.125, 52.2.49.221 and 52.207.133.198.

Among the host names that share IP numbers with implicit.harvard.edu is ec2-3-214-222-125.compute-1.amazonaws.com, as one example.

Name Servers

implicit.harvard.edu has four authoritative name servers: ns-152.awsdns-19.com, ns-790.awsdns-34.net, ns-1394.awsdns-46.org and ns-1781.awsdns-30.co.uk.

implicit.harvard.edu shares at least some of its name servers with other domains, including bird.org.br, cnxpcifrhw.net, enlou.com.mx and two others.

The host names ns-152.awsdns-19.com, ns-790.awsdns-34.net, ns-1394.awsdns-46.org and ns-1781.awsdns-30.co.uk each resolve to two IP addresses: ns-152.awsdns-19.com resolves to 205.251.192.152 and 2600:9000:5300:9800::1; ns-790.awsdns-34.net resolves to 205.251.195.22 and 2600:9000:5303:1600::1; ns-1394.awsdns-46.org resolves to 205.251.197.114 and 2600:9000:5305:7200::1; ns-1781.awsdns-30.co.uk resolves to 205.251.198.245 and 2600:9000:5306:f500::1.

implicit.harvard.edu - robtex.com

implicit.harvard.edu

harvard.edu

harvard.edu

Key facts

Related domains

Harvard University

Notable Features

DNS & Hosting Infrastructure

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`implicit.harvard.edu`

`harvard.edu`