libraries.ch - dns.ninja

libraries.ch

DNSSECโš ๏ธ Not signed
A129.132.240.80๐Ÿ‡จ๐Ÿ‡ญ Switch129.132.0.0/16 ETH-NET
PTR129-132-240-80.net4.ethz.ch
NSns1.ethz.ch โญ
A2001:67c:10ec::a๐Ÿ‡จ๐Ÿ‡ญ Switch2001:67c:10ec::/48 ETHZ-NET-IPv6
PTRns1.ethz.ch
A129.132.98.8๐Ÿ‡จ๐Ÿ‡ญ Switch129.132.0.0/16 ETH-NET
PTRns1.ethz.ch
NSns.ethz.ch
A2001:67c:10ec::a๐Ÿ‡จ๐Ÿ‡ญ Switch2001:67c:10ec::/48 ETHZ-NET-IPv6
PTRns1.ethz.ch
A129.132.98.8๐Ÿ‡จ๐Ÿ‡ญ Switch129.132.0.0/16 ETH-NET
PTRns1.ethz.ch
NSns2.ethz.ch
A2001:67c:10ec::b๐Ÿ‡จ๐Ÿ‡ญ Switch2001:67c:10ec::/48 ETHZ-NET-IPv6
PTRns2.ethz.ch
A129.132.250.8๐Ÿ‡จ๐Ÿ‡ญ Switch129.132.0.0/16 ETH-NET
PTRns2.ethz.ch
TXT8vk14z20y3qv2vwxq0612fm2gsck2p1h
TXT_y36vjjbsdnkti93s370esqshc6ugksi
TXT_ecbe0767q0uxa2uk5jeq7zhfiykp9ii
TXT_bg6djb666m961hjbxgfdb3clwt8yupk
TXTb977b1f1-b2a7-4f71-b11c-ee3472a25c52
SOAns.ethz.chhostmaster@ethz.ch serial=2958

ch

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa.nic.ch โญ
NSb.nic.ch
NSd.nic.ch
NSe.nic.ch
NSf.nic.ch
SOAa.nic.chdns-operation@switch.ch 2026-07-14 #0

Same first word

Similar names

DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026NSns.ethz.chns1.ethz.chns2.ethz.chdummy-ns.ethz.chA129.132.240.80129.132.240.76
โ—‹NSdummy-ns.ethz.ch2015-06-16 โ†’ 2017-06-15 ยท 4 obs
โ— 2015-06-16 01:44:16
โ— 2017-06-15 07:59:10
โ—‹ 2026-04-01 15:28:52
โ—‹ 2026-07-13 22:40:22
โ—NSns.ethz.ch2026-04-01 โ†’ 2026-07-13 ยท 3 obs
โ—‹ 2017-06-15 07:59:10
โ— 2026-04-01 15:28:52
โ— 2026-07-13 22:40:22
โ—NSns1.ethz.ch2015-06-16 โ†’ 2026-07-13 ยท 2 obs
โ— 2015-06-16 01:44:16
โ— 2026-07-13 22:40:22
โ—NSns2.ethz.ch2015-06-16 โ†’ 2026-07-13 ยท 2 obs
โ— 2015-06-16 01:44:16
โ— 2026-07-13 22:40:22
โ—‹A129.132.240.762016-01-03 โ†’ 2016-06-23 ยท 4 obs
โ— 2016-01-03 03:31:04
โ— 2016-06-23 19:28:06
โ—‹ 2016-12-01 14:07:36
โ—‹ 2026-07-13 22:40:22
โ—A129.132.240.802016-12-01 โ†’ 2026-07-13 ยท 3 obs
โ—‹ 2016-06-23 19:28:06
โ— 2016-12-01 14:07:36
โ— 2026-07-13 22:40:22

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
che.nic.ch, b.nic.ch, a.nic.ch, d.nic.ch...-
libraries.chns1.ethz.ch, ns2.ethz.ch4 records

โœ… Authoritative Response

Server:129.132.250.8

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

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 948ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1129.132.240.80
NS2ns2.ethz.ch, ns1.ethz.ch
TXT58vk14z20y3qv2vwxq0612fm2gsck2p1h, _y36vjjbsdnkti93s370esqshc6ugksi...
SOA1ns.ethz.ch hostmaster.ethz.ch

๐Ÿ“Œ 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 โ€” ns1.ethz.ch and ns.ethz.ch โ€” each point to 2001:67c:10ec::a IP addresses.

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