librarylearning.org - dns.ninja

`librarylearning.org`

DNSSEC	⚠️ Not signed
A	216.240.208.97^{🇺🇸 AS401975216.240.208.0/20}
		PTR	`librarylearning.org`
NS	`ali.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ali.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ali.ns.cloudflare.com`
		A	108.162.192.59^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	172.64.32.59^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	173.245.58.59^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
NS	`lakas.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lakas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lakas.ns.cloudflare.com`
		A	108.162.193.194^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	172.64.33.194^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	173.245.59.194^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
MX	`mta.railslibraries.net` ⭐
		A	216.240.208.69^{🇺🇸 AS401975216.240.208.0/20}
			PTR	`mta.railslibraries.net`
TXT	`v=spf1 mx a -all`
SOA	`ali.ns.cloudflare.com`dns@cloudflare.com serial=2405782989

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1784495167

PTR for

97.208.240.216.in-addr.arpa

Same first word

librarylearning.org

librarylearning.com

librarylearning.info

Similar names

learninglibrary.org.uk

learninglibrary.com

DNS History

12 records (4 active, 8 former)

●NSali.ns.cloudflare.com2026-03-27 → 2026-07-19 · 3 obs

○ 2017-12-16 07:31:36
● 2026-03-27 10:35:16
● 2026-07-19 21:45:52

●NSlakas.ns.cloudflare.com2026-03-27 → 2026-07-19 · 3 obs

○ 2017-12-16 07:31:36
● 2026-03-27 10:35:16
● 2026-07-19 21:45:52

○NSns1.dreamhost.com2016-04-20 → 2017-12-16 · 4 obs

● 2016-04-20 16:59:42
● 2017-12-16 07:31:36
○ 2026-03-27 10:35:16
○ 2026-07-19 21:45:52

○NSns2.dreamhost.com2016-04-20 → 2017-12-16 · 4 obs

● 2016-04-20 16:59:42
● 2017-12-16 07:31:36
○ 2026-03-27 10:35:16
○ 2026-07-19 21:45:52

○NSns3.dreamhost.com2016-04-20 → 2017-12-16 · 4 obs

● 2016-04-20 16:59:42
● 2017-12-16 07:31:36
○ 2026-03-27 10:35:16
○ 2026-07-19 21:45:52

○MXmail.b-io.co2015-04-27 → 2015-04-27 · 3 obs

● 2015-04-27 16:59:08
○ 2015-11-10 05:08:58
○ 2026-07-19 21:45:52

●MXmta.railslibraries.net2026-03-27 → 2026-07-19 · 3 obs

○ 2017-12-16 07:31:36
● 2026-03-27 10:35:16
● 2026-07-19 21:45:52

○MXmx1.sub5.homie.mail.dreamhost.com2016-04-20 → 2017-12-16 · 5 obs

○ 2015-11-10 05:08:58
● 2016-04-20 16:59:42
● 2017-12-16 07:31:36
○ 2026-03-27 10:35:16
○ 2026-07-19 21:45:52

○MXmx2.sub5.homie.mail.dreamhost.com2016-04-20 → 2017-12-16 · 5 obs

○ 2015-11-10 05:08:58
● 2016-04-20 16:59:42
● 2017-12-16 07:31:36
○ 2026-03-27 10:35:16
○ 2026-07-19 21:45:52

○A173.236.174.312016-04-20 → 2017-12-16 · 5 obs

○ 2015-11-10 05:08:58
● 2016-04-20 16:59:42
● 2017-12-16 07:31:36
○ 2026-03-27 10:35:16
○ 2026-07-19 21:45:52

○A208.91.197.1322015-04-27 → 2015-04-27 · 3 obs

● 2015-04-27 16:59:08
○ 2015-11-10 05:08:58
○ 2026-07-19 21:45:52

●A216.240.208.972026-03-27 → 2026-07-19 · 3 obs

○ 2017-12-16 07:31:36
● 2026-03-27 10:35:16
● 2026-07-19 21:45:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
librarylearning.org	lakas.ns.cloudflare.com, ali.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.194

NS records: lakas.ns.cloudflare.com, ali.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for librarylearning.org (unsigned zone)

⏱️ Timing

Total: 608ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.240.208.97`
NS	2	`ali.ns.cloudflare.com, lakas.ns.cloudflare.com`
MX	1	`mta.railslibraries.net (pri: 0)`
TXT	1	`v=spf1 mx a -all`
SOA	1	`ali.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

librarylearning.org has exactly one IP address — 216.240.208.97.

Additional host names — including www.librarylearning.info and librarylearning.info — share IP numbers with librarylearning.org.

Name Servers

librarylearning.org is delegated to two name servers: ali.ns.cloudflare.com and lakas.ns.cloudflare.com.

The name server configuration of librarylearning.org is shared with other domains, for instance businesssmash.com, findmoreillinois.org, brightertec.com and two others.

librarylearning.org has at least partial name server overlap with other domains, such as billcar.co.uk, ramdigitals.com, prithvy.com and two others.

It is common to see these name servers used together with name servers deb.ns.cloudflare.com and matteo.ns.cloudflare.com.

Hosts with 6 IP addresses each:

ali.ns.cloudflare.com resolves to 108.162.192.59, 172.64.32.59, 173.245.58.59 and 3 other IP addresses.

lakas.ns.cloudflare.com resolves to 108.162.193.194, 172.64.33.194, 173.245.59.194 and 3 other IP addresses.

Mail Servers

librarylearning.org uses one mail server — mta.railslibraries.net.

librarylearning.org shares the same mail server configuration as other domains, including inkie.org, mta.railslibraries.net, mylibraryis.org and railslibraries.net.

mta.railslibraries.net resolves to a single IP number: 216.240.208.69.