led3.org - robtex.com

led3.org

org

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa0.org.afilias-nst.info โญ โš ๏ธ Not in parent delegation
NSa2.org.afilias-nst.info โš ๏ธ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info โš ๏ธ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1777513933

PTR for

Same first word

Similar names

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSarachne.leidenuniv.nlns1.surfnet.nlns2.surfnet.nlns3.surfnet.nlns21.domaincontrol.comns22.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA132.229.92.3550.63.202.49
โ—NSarachne.leidenuniv.nl2026-04-29 โ†’ 2026-04-30 ยท 3 obs
โ—‹ 2018-10-02 10:15:52
โ— 2026-04-29 19:57:12
โ— 2026-04-30 02:15:04
โ—NSns1.surfnet.nl2026-04-29 โ†’ 2026-04-30 ยท 3 obs
โ—‹ 2018-10-02 10:15:52
โ— 2026-04-29 19:57:12
โ— 2026-04-30 02:15:04
โ—NSns2.surfnet.nl2026-04-29 โ†’ 2026-04-30 ยท 3 obs
โ—‹ 2018-10-02 10:15:52
โ— 2026-04-29 19:57:12
โ— 2026-04-30 02:15:04
โ—‹NSns21.domaincontrol.com2015-05-23 โ†’ 2017-01-03 ยท 4 obs
โ— 2015-05-23 07:43:26
โ— 2017-01-03 03:44:52
โ—‹ 2018-10-02 10:15:52
โ—‹ 2026-04-30 02:15:04
โ—‹NSns22.domaincontrol.com2015-05-23 โ†’ 2017-01-03 ยท 4 obs
โ— 2015-05-23 07:43:26
โ— 2017-01-03 03:44:52
โ—‹ 2018-10-02 10:15:52
โ—‹ 2026-04-30 02:15:04
โ—NSns3.surfnet.nl2026-04-29 โ†’ 2026-04-30 ยท 3 obs
โ—‹ 2018-10-02 10:15:52
โ— 2026-04-29 19:57:12
โ— 2026-04-30 02:15:04
โ—‹MXmailstore1.secureserver.net2015-05-23 โ†’ 2017-01-03 ยท 4 obs
โ— 2015-05-23 07:43:26
โ— 2017-01-03 03:44:52
โ—‹ 2018-10-02 10:15:52
โ—‹ 2026-04-30 02:15:04
โ—‹MXsmtp.secureserver.net2015-05-23 โ†’ 2017-01-03 ยท 4 obs
โ— 2015-05-23 07:43:26
โ— 2017-01-03 03:44:52
โ—‹ 2018-10-02 10:15:52
โ—‹ 2026-04-30 02:15:04
โ—A132.229.92.352026-04-29 โ†’ 2026-04-30 ยท 3 obs
โ—‹ 2018-10-02 10:15:52
โ— 2026-04-29 19:57:12
โ— 2026-04-30 02:15:04
โ—‹A50.63.202.492015-05-23 โ†’ 2017-01-03 ยท 4 obs
โ— 2015-05-23 07:43:26
โ— 2017-01-03 03:44:52
โ—‹ 2018-10-02 10:15:52
โ—‹ 2026-04-30 02:15:04

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
led3.orgns2.surfnet.nl, ns1.surfnet.nl, ns3.surfnet.nl-

โœ… Authoritative Response

Server:192.87.36.2

NS records: ns2.surfnet.nl, ns1.surfnet.nl, ns3.surfnet.nl

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 788ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1132.229.92.35
NS3ns1.surfnet.nl, ns3.surfnet.nl...
SOA1arachne.leidenuniv.nl postmaster.leidenu

Analysis

IP Addresses

led3.org resolves to one IP number: 132.229.92.35.

other host names including plexus.leidenuniv.nl, umail.leidenuniv.nl, vippleiden.com, coherentprivatelaw.nl and universiteitleiden.org share IP numbers with led3.org.

Name Servers

led3.org is delegated to four name servers: arachne.leidenuniv.nl, ns1.surfnet.nl, ns2.surfnet.nl and ns3.surfnet.nl.

led3.org at least partially shares name servers with other domains, for instance i-research.nl, gridpma.com, longkanker.net, ehealthnu.nl and 231.97.145.in-addr.arpa.

These name servers are commonly used alongside ns1.zurich.surf.net, ns6.eur.nl, ns2.maastrichtuniversity.eu, gm.maastrichtuniversity.nl, ns1.maastrichtuniversity.nl, ns1.rocva.nl and ns-ext-01.wur.nl.

Host names with two IP numbers:

ns1.surfnet.nl points to 2001:610:1:800a:192:87:106:101 and 192.87.106.101.

ns2.surfnet.nl points to 2001:610:3:200a:192:87:36:2 and 192.87.36.2.

ns3.surfnet.nl points to 2001:610:0:800c:195:169:124:71 and 195.169.124.71.

Host names with one IP number:

arachne.leidenuniv.nl points to 172.22.101.10.