`fds.lib.harvard.edu`

CNAME	`fds-prod.hz.lib.harvard.edu`
DNSSEC	⚠️ Not signed
A	32.197.139.217
		PTR	`ec2-32-197-139-217.compute-1.amazonaws.com`
A	52.54.145.59^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
A	54.172.82.105^{🇺🇸 Amazon54.172.0.0/15 EC2 IAD 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 #84

WOT: SAFE (61/100)
WOT: SAFE (65/100)

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DNS History

3 records (1 active, 2 former)

○A128.103.149.532017-03-08 → 2017-03-08 · 3 obs

● 2017-03-08 15:08:42
○ 2026-04-16 00:01:54
○ 2026-05-11 19:33:36

●CNAMEfds-prod.hz.lib.harvard.edu2026-04-16 → 2026-05-11 · 3 obs

○ 2017-03-08 15:08:42
● 2026-04-16 00:01:54
● 2026-05-11 19:33:36

○CNAMEidscs.hul.harvard.edu2017-03-08 → 2017-03-08 · 3 obs

● 2017-03-08 15:08:42
○ 2026-04-16 00:01:54
○ 2026-05-11 19:33:36

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:84.53.139.67

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: 753ms | Queries: -

📄 Records

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

Analysis

IP Addresses

fds.lib.harvard.edu resolves to three IPs: 32.197.139.217, 52.54.145.59 and 54.172.82.105.

Other host names, for instance fts-prod.hz.lib.harvard.edu, eda-prod.hz.lib.harvard.edu and ids-prod.hz.lib.harvard.edu share IP numbers with fds.lib.harvard.edu.

fds.lib.harvard.edu - robtex.com