leiden.nu - robtex.com
leiden.nu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 142.93.225.46🇳🇱 DIGITALOCEAN142.93.224.0/20 DigitalOcean | ||||||
| NS | ns0.transip.net ⭐ | ||||||
| A | 2a01:7c8:dddd:195::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | ns0.transip.net | ||||||
| A | 195.135.195.195🇮🇹 TRANSIP-AS195.135.195.0/24 TransIP B.V. | ||||||
| PTR | ns0.transip.net | ||||||
| NS | ns1.transip.nl | ||||||
| A | 2a01:7c8:7000:195::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | ns1.transip.nl | ||||||
| A | 195.8.195.195🇳🇱 TRANSIP-AS195.8.195.0/24 TransIP B.V. | ||||||
| PTR | ns1.transip.nl | ||||||
| NS | ns2.transip.eu | ||||||
| A | 2a01:7c8:f:c1f::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | ns2.transip.eu | ||||||
| A | 37.97.199.195🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands | ||||||
| PTR | ns2.transip.eu | ||||||
| MX | leiden.nu ⭐ | ||||||
| A | 142.93.225.46🇳🇱 DIGITALOCEAN142.93.224.0/20 DigitalOcean | ||||||
| TXT | v=spf1 ~all | ||||||
| SOA | ns0.transip.nethostmaster@transip.nl 2022-08-31 #0 | ||||||
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ | ||||||
| NS | a.ns.nu | ||||||
| NS | c.ns.nu | ||||||
| NS | d.ns.nu | ||||||
| NS | m.ns.nu | ||||||
| NS | y.ns.nu | ||||||
| NS | z.ns.nu | ||||||
| TXT | id:d0aa2beb-7cba-47ae-ba54-0b5db09b1e5b | ||||||
| TXT | NU zone update: 2026-03-27 00:39:58 +0000 (EPOCH 1774571998) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1774572132 | ||||||
MX for
leiden.nu |
Same first word
leiden.cn |
leiden.de |
leiden.edu |
leiden.com |
leiden.biz |
leiden.co |
leiden.nl |
leiden.events |
leiden.tv |
leiden.com.au |
leiden.nu |
leiden.ru |
leiden.digital |
leiden.eu |
leiden.at |
Similar names
DNS History
19 records (5 active, 14 former)
○NSchristina.neostrada.nl2017-04-07 → 2017-04-07 · 4 obs
● 2017-04-07 00:37:20
○ 2026-03-24 14:07:34
○ 2026-03-27 01:06:16
○NSlisa.neostrada.nl2017-04-07 → 2017-04-07 · 4 obs
● 2017-04-07 00:37:20
○ 2026-03-24 14:07:34
○ 2026-03-27 01:06:16
○NSns0.leaseweb.nl2015-06-03 → 2016-08-07 · 4 obs
● 2016-08-07 20:18:02
○ 2017-04-07 00:37:20
○ 2026-03-27 01:06:16
●NSns0.transip.net2026-03-24 → 2026-03-27 · 3 obs
● 2026-03-24 14:07:34
● 2026-03-27 01:06:16
○NSns1.leaseweb.nl2015-06-03 → 2016-08-07 · 4 obs
● 2016-08-07 20:18:02
○ 2017-04-07 00:37:20
○ 2026-03-27 01:06:16
●NSns1.transip.nl2026-03-24 → 2026-03-27 · 3 obs
● 2026-03-24 14:07:34
● 2026-03-27 01:06:16
●NSns2.transip.eu2026-03-24 → 2026-03-27 · 3 obs
● 2026-03-24 14:07:34
● 2026-03-27 01:06:16
○NSns4.leaseweb.net2015-06-03 → 2016-08-07 · 4 obs
● 2016-08-07 20:18:02
○ 2017-04-07 00:37:20
○ 2026-03-27 01:06:16
○NSns5.leaseweb.nl2015-06-03 → 2016-08-07 · 4 obs
● 2016-08-07 20:18:02
○ 2017-04-07 00:37:20
○ 2026-03-27 01:06:16
○NSsandra.neostrada.nl2017-04-07 → 2017-04-07 · 4 obs
● 2017-04-07 00:37:20
○ 2026-03-24 14:07:34
○ 2026-03-27 01:06:16
●MXleiden.nu2026-03-24 → 2026-03-27 · 3 obs
● 2026-03-24 14:07:34
● 2026-03-27 01:06:16
○MXmail.leiden.nu2017-04-07 → 2017-04-07 · 4 obs
● 2017-04-07 00:37:20
○ 2026-03-24 14:07:34
○ 2026-03-27 01:06:16
○MXmailfilter1.leaseweb.com2015-06-03 → 2016-08-07 · 4 obs
● 2016-08-07 20:18:02
○ 2017-04-07 00:37:20
○ 2026-03-27 01:06:16
○MXmailfilter2.leaseweb.com2015-06-03 → 2016-08-07 · 4 obs
● 2016-08-07 20:18:02
○ 2017-04-07 00:37:20
○ 2026-03-27 01:06:16
○MXmailfilter3.leaseweb.com2015-06-03 → 2016-08-07 · 4 obs
● 2016-08-07 20:18:02
○ 2017-04-07 00:37:20
○ 2026-03-27 01:06:16
○MXmailfilter4.leaseweb.com2015-06-03 → 2016-08-07 · 4 obs
● 2016-08-07 20:18:02
○ 2017-04-07 00:37:20
○ 2026-03-27 01:06:16
●A142.93.225.462026-03-24 → 2026-03-27 · 3 obs
● 2026-03-24 14:07:34
● 2026-03-27 01:06:16
○A185.56.145.352017-04-07 → 2017-04-07 · 4 obs
● 2017-04-07 00:37:20
○ 2026-03-24 14:07:34
○ 2026-03-27 01:06:16
○A95.211.13.692015-06-03 → 2016-08-07 · 4 obs
● 2016-08-07 20:18:02
○ 2017-04-07 00:37:20
○ 2026-03-27 01:06:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | m.ns.nu, z.ns.nu, c.ns.nu, d.ns.nu... | 12 records |
| leiden.nu | ns0.transip.net, ns1.transip.nl, ns2.transip.eu | - |
✅ Authoritative Response
Server:195.135.195.195
NS records: ns0.transip.net, ns1.transip.nl, ns2.transip.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3073ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 142.93.225.46 |
| NS | 3 | ns2.transip.eu, ns0.transip.net... |
| MX | 1 | leiden.nu (pri: 10) |
| TXT | 1 | v=spf1 ~all |
| SOA | 1 | ns0.transip.net hostmaster.transip.nl |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (m.ns.nu, m.ns.nu, z.ns.nu...)
Analysis
Mail Server Role
For leiden.nu, the mail server is leiden.nu.
IP Addresses
leiden.nu points to a single IP number: 142.93.225.46.
Other host names, for instance hetondernemershuis.com, los.nu, mail.heimsferdir.cloud and vanzessenklaar.nl share IP numbers with leiden.nu.
Name Servers
leiden.nu is delegated to three name servers: ns2.transip.eu, ns0.transip.net and ns1.transip.nl.
leiden.nu at least partially shares name servers with other domains, for instance pahex.com, upword.nl, fmulder.com, bureau-xd.com and cityoflostheaven.nl.
Host names with two IP numbers:
Host ns2.transip.eu points to 2a01:7c8:f:c1f::195 and 37.97.199.195.
Host ns0.transip.net points to 2a01:7c8:dddd:195::195 and 195.135.195.195.
Host ns1.transip.nl points to 2a01:7c8:7000:195::195 and 195.8.195.195.
Mail Servers
One mail server handles leiden.nu.
Host name leiden.nu points to IP address 142.93.225.46.