`ids.lib.harvard.edu`

CNAME	`ids-prod.lib.harvard.edu`
CNAME	`ids-prod.hz.lib.harvard.edu`
DNSSEC	⚠️ Not signed
A	52.54.145.59^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
		PTR	`ec2-52-54-145-59.compute-1.amazonaws.com`
A	54.172.82.105^{🇺🇸 Amazon54.172.0.0/15 EC2 IAD prefix}
A	107.20.145.191^{🇺🇸 Amazon107.20.0.0/16 EC2 Prefix}

`lib.harvard.edu`

	DNSSEC	⚠️ Not signed
	A	52.1.251.179^{🇺🇸 Amazon52.0.0.0/15 EC2 IAD prefix}
	NS	`a1-171.akam.net` ⭐ ⚠️ Not in parent delegation
	NS	`a10-66.akam.net` ⚠️ Not in parent delegation
	NS	`a11-67.akam.net` ⚠️ Not in parent delegation
	NS	`a16-64.akam.net` ⚠️ Not in parent delegation
	NS	`a6-66.akam.net` ⚠️ Not in parent delegation
	NS	`a7-65.akam.net` ⚠️ Not in parent delegation
	TXT	`google-site-verification=JxxHnhdpmTAyXe0IycO_AEGFafByp3LoXr7fy51oyA8`
	SOA	`a1-171.akam.net`netmanager@harvard.edu 2023-06-26 #81

WOT: SAFE (78/100)
WOT: SAFE (65/100)

Same first word

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ids.church

ids.ae

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ids.com.mk

Similar names

isd.hk

sid.dj

dsi.pt

dsi.go.th

dsi.ie

dis.ie

dis.info

dsi.tv

dsi.ninja

dsi.academy

sid.care

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dis.com.pl

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dis.org.br

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sdi.church

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sid.li

dis.io

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dsi.lk

sdi.com.au

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sid.cn

dis.co.th

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sid.com

dsi.it

dsi.support

dis.gov.ua

sdi.archi

dis.tg

sid.rs

sdi.cc

isd.at

dis.com.ua

sid.me

dsi.us

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dsi.info

dis.cz

isd.al

sid.ovh

isd.com

sdi.es

dis.tj

isd.gov.sg

dsi.de

dsi.me

isd.gr.jp

dsi.ph

dsi.by

isd.training

dis.as

isd.or.at

isd.com.sa

dsi.org

dsi.eu

sid.im

sid.tm.fr

sid.money

dsi.group

sdi.edu.vn

sdi.no

dis.tl

dis.dk

dis.com.au

dis.com.gr

sid.me.uk

dis.bio

dsi.net.nz

dsi.ae

dis.tv

sid.cz

dis.onl

dsi.solutions

isd.me.uk

isd.hr

sid.ru

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dis.capital

dsi.gov.mo

dsi.no

sdi.com.pk

sdi.re.kr

dsi.is

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dis.nl

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sdi.lt

dsi.ag

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sdi.us

sdi.agency

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dis.city

dis.net

dsi.co

sdi.com.tw

dis.rs

sid.nu

dis.jp

sid.tv

isd.gov.hk

isd.sn

dis.asia

sid.sk

dsi.com

sid.ch

sdi.net.pl

isd.com.ve

isd.agency

isd.ru

dis.bb

isd.immobilien

dsi.gmbh

dis.ch

DNS History

3 records (1 active, 2 former)

○A128.103.149.532017-01-07 → 2017-01-07 · 3 obs

● 2017-01-07 13:04:16
○ 2026-04-21 18:49:44
○ 2026-05-10 17:35:54

●CNAMEids-prod.lib.harvard.edu2026-04-21 → 2026-05-10 · 3 obs

○ 2017-01-07 13:04:16
● 2026-04-21 18:49:44
● 2026-05-10 17:35:54

○CNAMEidscs.hul.harvard.edu2017-01-07 → 2017-01-07 · 3 obs

● 2017-01-07 13:04:16
○ 2026-04-21 18:49:44
○ 2026-05-10 17:35:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...	-
harvard.edu	a7-65.akam.net, a11-67.akam.net, a1-171.akam.net, a16-64.akam.net...	-

✅ Authoritative Response

Server:193.108.91.171

NS records: a7-65.akam.net, a11-67.akam.net, a1-171.akam.net, a16-64.akam.net, a6-66.akam.net, a10-66.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for harvard.edu (unsigned zone)

⏱️ Timing

Total: 353ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`ids-prod.lib.harvard.edu`

Analysis

IP Addresses

ids.lib.harvard.edu resolves to three IP numbers: 52.54.145.59, 54.172.82.105 and 107.20.145.191.

Other host names include ids-prod.hz.lib.harvard.edu, hz.lib.harvard.edu, beta-hgl.hz.lib.harvard.edu and fts-prod.hz.lib.harvard.edu that share IP numbers with ids.lib.harvard.edu.

ids.lib.harvard.edu - robtex.com