leydenscience.org - robtex.com
leydenscience.org
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.infohostmaster@donuts.email serial=1773551953 | ||||||
Subdomains
www.leydenscience.org |
Same first word
leydenscience.org |
DNS History
19 records (8 active, 11 former)
●NSed.ns.cloudflare.com2018-05-27 → 2026-03-23 · 3 obs
● 2018-05-27 03:40:18
● 2026-03-23 22:44:58
●NSkate.ns.cloudflare.com2018-05-27 → 2026-03-23 · 3 obs
● 2018-05-27 03:40:18
● 2026-03-23 22:44:58
○NSns39.domaincontrol.com2015-07-07 → 2017-01-16 · 4 obs
● 2017-01-16 11:55:48
○ 2018-05-27 03:40:18
○ 2026-03-23 22:44:58
○NSns40.domaincontrol.com2015-07-07 → 2017-01-16 · 4 obs
● 2017-01-16 11:55:48
○ 2018-05-27 03:40:18
○ 2026-03-23 22:44:58
●MXmailstore1.secureserver.net2015-07-07 → 2026-03-23 · 2 obs
● 2026-03-23 22:44:58
●MXsmtp.secureserver.net2015-07-07 → 2026-03-23 · 2 obs
● 2026-03-23 22:44:58
●A104.21.3.222026-02-21 → 2026-03-23 · 5 obs
● 2026-02-21 01:48:52
● 2026-02-23 02:20:06
○ 2026-03-15 11:24:14
● 2026-03-23 22:44:58
○A104.28.18.332018-05-27 → 2018-05-27 · 4 obs
● 2018-05-27 03:40:18
○ 2026-02-21 01:48:52
○ 2026-03-23 22:44:58
○A104.28.19.332018-05-27 → 2018-05-27 · 4 obs
● 2018-05-27 03:40:18
○ 2026-02-21 01:48:52
○ 2026-03-23 22:44:58
●A172.67.130.152026-02-21 → 2026-03-23 · 5 obs
● 2026-02-21 01:48:52
● 2026-02-23 02:20:06
○ 2026-03-15 11:24:14
● 2026-03-23 22:44:58
○A188.114.96.02026-03-15 → 2026-03-15 · 4 obs
○ 2026-02-23 02:20:06
● 2026-03-15 11:24:14
○ 2026-03-23 22:44:58
○A188.114.97.02026-03-15 → 2026-03-15 · 4 obs
○ 2026-02-23 02:20:06
● 2026-03-15 11:24:14
○ 2026-03-23 22:44:58
○A216.124.46.192015-07-07 → 2017-01-16 · 4 obs
● 2017-01-16 11:55:48
○ 2018-05-27 03:40:18
○ 2026-03-23 22:44:58
○A2400:cb00:2048:1::681c:12212018-05-27 → 2018-05-27 · 4 obs
● 2018-05-27 03:40:18
○ 2026-02-21 01:48:52
○ 2026-03-23 22:44:58
○A2400:cb00:2048:1::681c:13212018-05-27 → 2018-05-27 · 4 obs
● 2018-05-27 03:40:18
○ 2026-02-21 01:48:52
○ 2026-03-23 22:44:58
●A2606:4700:3036::6815:3162026-02-21 → 2026-03-23 · 5 obs
● 2026-02-21 01:48:52
● 2026-02-23 02:20:06
○ 2026-03-15 11:24:14
● 2026-03-23 22:44:58
●A2606:4700:3036::ac43:820f2026-02-21 → 2026-03-23 · 5 obs
● 2026-02-21 01:48:52
● 2026-02-23 02:20:06
○ 2026-03-15 11:24:14
● 2026-03-23 22:44:58
○A2a06:98c1:3120::2026-03-15 → 2026-03-15 · 4 obs
○ 2026-02-23 02:20:06
● 2026-03-15 11:24:14
○ 2026-03-23 22:44:58
○A2a06:98c1:3121::2026-03-15 → 2026-03-15 · 4 obs
○ 2026-02-23 02:20:06
● 2026-03-15 11:24:14
○ 2026-03-23 22:44:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| leydenscience.org | ed.ns.cloudflare.com, kate.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.111
NS records: ed.ns.cloudflare.com, kate.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for leydenscience.org (unsigned zone)
⏱️ Timing
Total: 638ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.130.15, 104.21.3.22 |
| AAAA | 2 | 2606:4700:3036::6815:316, 2606:4700:3036::ac43:820f |
| NS | 2 | ed.ns.cloudflare.com, kate.ns.cloudflare.com |
| MX | 2 | smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10) |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ed.ns.cloudflare.com dns.cloudflare.com |
Analysis
Hierarchy
www.leydenscience.org is a child of leydenscience.org.
IP Addresses
leydenscience.org refers to four IP numbers: 2606:4700:3036::6815:316, 2606:4700:3036::ac43:820f, 104.21.3.22 and 172.67.130.15.
Other host names, for instance providence-place.co.uk, www.gmlodge3478.co.uk.cdn.cloudflare.net, baia.live, compassion-dental.com and sck.us share IP numbers with leydenscience.org.
Name Servers
leydenscience.org's delegation uses two name servers: ed.ns.cloudflare.com and kate.ns.cloudflare.com.
leydenscience.org uses the same name server setup as other domains, such as melgeo.com, chinesecars.ru, ifknorrkopingungdom.se, steelheadrobotics.com and brajeshwar.com.
leydenscience.org at least partially shares name servers with other domains, including personalcto.net, cmu.net.cn, smaartframework.com, musikgartenoflancaster.org and fiduciarygrouplimited.com.
These name servers are commonly used with mitchell.ns.cloudflare.com.
Host names with six IP numbers:
ed.ns.cloudflare.com points to 2606:4700:58::adf5:3b6f, 2803:f800:50::6ca2:c16f, 2a06:98c1:50::ac40:216f, 108.162.193.111, 172.64.33.111 and 173.245.59.111.
kate.ns.cloudflare.com points to 2606:4700:50::adf5:3a7c, 2803:f800:50::6ca2:c07c, 2a06:98c1:50::ac40:207c, 108.162.192.124, 172.64.32.124 and 173.245.58.124.
Mail Servers
leydenscience.org is served by two mail servers mailstore1.secureserver.net and smtp.secureserver.net.
leydenscience.org shares the same mail server setup as other domains, for instance biosleep.org, used.guide, ranwei.info, longstreetlaw.org and healthiswealth.today.
leydenscience.org shares at least some mail servers with other domains, for instance scopesandbarrels.com, xperialounge.de and kosmotronics.com.
Host names with three IP numbers:
The host name mailstore1.secureserver.net resolves to 216.69.141.78, 216.69.141.114 and 216.69.141.162.
The host name smtp.secureserver.net resolves to 216.69.141.71, 216.69.141.84 and 216.69.141.113.