libraries.ch - dns.ninja

`libraries.ch`

DNSSEC	🔒 Signed (DS record present)
A	129.132.240.80^{🇨🇭 Switch129.132.0.0/16 ETH-NET}
		PTR	`129-132-240-80.net4.ethz.ch`
NS	`ns1.ethz.ch` ⭐
		A	2001:67c:10ec::a^{🇨🇭 Switch2001:67c:10ec::/48 ETHZ-NET-IPv6}
			PTR	`ns1.ethz.ch`
		A	129.132.98.8^{🇨🇭 Switch129.132.0.0/16 ETH-NET}
			PTR	`ns1.ethz.ch`
NS	`ns.ethz.ch`
		A	2001:67c:10ec::a^{🇨🇭 Switch2001:67c:10ec::/48 ETHZ-NET-IPv6}
			PTR	`ns1.ethz.ch`
		A	129.132.98.8^{🇨🇭 Switch129.132.0.0/16 ETH-NET}
			PTR	`ns1.ethz.ch`
NS	`ns2.ethz.ch`
		A	2001:67c:10ec::b^{🇨🇭 Switch2001:67c:10ec::/48 ETHZ-NET-IPv6}
			PTR	`ns2.ethz.ch`
		A	129.132.250.8^{🇨🇭 Switch129.132.0.0/16 ETH-NET}
			PTR	`ns2.ethz.ch`
TXT	`8vk14z20y3qv2vwxq0612fm2gsck2p1h`
TXT	`_y36vjjbsdnkti93s370esqshc6ugksi`
TXT	`_ecbe0767q0uxa2uk5jeq7zhfiykp9ii`
TXT	`b977b1f1-b2a7-4f71-b11c-ee3472a25c52`
TXT	`_bg6djb666m961hjbxgfdb3clwt8yupk`
SOA	`ns.ethz.ch`hostmaster@ethz.ch serial=2958

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-07-13 #43

Same first word

libraries.ca

libraries.ws

libraries.eu

libraries.coop

libraries.ru

libraries.co

libraries.com

libraries.me

libraries.gov.ae

libraries.tas.gov.au

libraries.sa.gov.au

libraries.gov.cy

libraries.io

libraries.co.nz

libraries.wales

libraries.fi

libraries.am

libraries.nu

libraries.org

libraries.de

libraries.ch

libraries.gr

libraries.net

libraries.ae

libraries.us

libraries.co.il

libraries.cc

libraries.directory

Similar names

DNS History

6 records (4 active, 2 former)

○NSdummy-ns.ethz.ch2015-06-16 → 2017-06-15 · 4 obs

● 2015-06-16 01:44:16
● 2017-06-15 07:59:10
○ 2026-04-01 15:28:52
○ 2026-07-13 20:12:10

●NSns.ethz.ch2026-04-01 → 2026-07-13 · 3 obs

○ 2017-06-15 07:59:10
● 2026-04-01 15:28:52
● 2026-07-13 20:12:10

●NSns1.ethz.ch2015-06-16 → 2026-07-13 · 2 obs

● 2015-06-16 01:44:16
● 2026-07-13 20:12:10

●NSns2.ethz.ch2015-06-16 → 2026-07-13 · 2 obs

● 2015-06-16 01:44:16
● 2026-07-13 20:12:10

○A129.132.240.762016-01-03 → 2016-06-23 · 4 obs

● 2016-01-03 03:31:04
● 2016-06-23 19:28:06
○ 2016-12-01 14:07:36
○ 2026-07-13 20:12:10

●A129.132.240.802016-12-01 → 2026-07-13 · 3 obs

○ 2016-06-23 19:28:06
● 2016-12-01 14:07:36
● 2026-07-13 20:12:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
libraries.ch	ns1.ethz.ch, ns2.ethz.ch	4 records

✅ Authoritative Response

Server:129.132.98.8

NS records: ns1.ethz.ch, ns2.ethz.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 665ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`129.132.240.80`
NS	2	`ns2.ethz.ch, ns1.ethz.ch`
TXT	5	`8vk14z20y3qv2vwxq0612fm2gsck2p1h, _y36vjjbsdnkti93s370esqshc6ugksi...`
SOA	1	`ns.ethz.ch hostmaster.ethz.ch`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.ethz.ch, ns1.ethz.ch, ns2.ethz.ch...)

Analysis

IP Addresses

libraries.ch resolves to one IP address: 129.132.240.80.

Other host names share IP numbers with libraries.ch; 129-132-240-80.net4.ethz.ch is one such example.

Name Servers

Three name servers are authoritative for libraries.ch: ns1.ethz.ch, ns2.ethz.ch and ns.ethz.ch.

libraries.ch has at least partial name server overlap with other domains, such as risklab.ch, swissfluxnet.ch, eth.swiss and two others.

It is common to see these name servers used together with name servers ns3.ethz.ch and ns4.ethz.ch.

The hostnames ns1.ethz.ch, ns2.ethz.ch and ns.ethz.ch each point to two IP numbers. ns1.ethz.ch and ns.ethz.ch both resolve to 129.132.98.8 and 2001:67c:10ec::a, while ns2.ethz.ch resolves to 129.132.250.8 and 2001:67c:10ec::b.

These two host names — ns1.ethz.ch and ns.ethz.ch — each point to 2001:67c:10ec::a IP addresses.

These two host names — ns1.ethz.ch and ns.ethz.ch — each point to 129.132.98.8 IP addresses.