studuco.com - dns.ninja

studuco.com

DNSSEC⚠️ Not signed
A44.213.136.35🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-213-136-35.compute-1.amazonaws.com
A100.51.75.4🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix
A100.61.32.173🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix
NSns-318.awsdns-39.com ⭐
A2600:9000:5301:3e00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-318.awsdns-39.com
A205.251.193.62🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-318.awsdns-39.com
NSns-1298.awsdns-34.org
A2600:9000:5305:1200::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1298.awsdns-34.org
A205.251.197.18🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1298.awsdns-34.org
NSns-2007.awsdns-58.co.uk
A2600:9000:5307:d700::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-2007.awsdns-58.co.uk
A205.251.199.215🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-2007.awsdns-58.co.uk
NSns-944.awsdns-54.net
A2600:9000:5303:b000::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-944.awsdns-54.net
A205.251.195.176🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-944.awsdns-54.net
SOAns-318.awsdns-39.comawsdns-hostmaster@amazon.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785894699

Same first word

studuco.com

Similar names

studocu.fr
studocu.id
studocu.dk
studocu.de
studocu.nl
studocu.it
studocu.vn
studocu.ch
studocu.com
studocu.es
studocu.be
studocu.se
cdsuotu.com
studocu.at

DNS History

40 records (7 active, 33 former)

201820192020202120222023202420252026NSns-1298.awsdns-34.orgns-2007.awsdns-58.co.ukns-318.awsdns-39.comns-944.awsdns-54.netns7.rookdns.comns8.rookdns.comA100.51.75.4100.61.32.17344.213.136.35100.29.111.17100.56.99.54141.8.224.9318.205.175.183.211.149.1123.216.167.703.219.77.1513.221.47.1053.229.109.1583.229.34.1063.232.48.16234.193.39.4634.234.68.11334.236.57.334.238.29.12734.239.229.25234.239.92.16635.173.21.23235.173.43.13244.205.211.6544.216.181.2450.19.175.25052.206.176.6152.3.56.5252.72.146.15254.160.16.3654.198.102.22154.205.225.23754.224.3.10454.234.69.23PTRns7.rookdns.com
●NSns-1298.awsdns-34.org2026-02-15 → 2026-08-05 · 3 obs
○ 2017-11-23 09:55:46
● 2026-02-15 15:54:46
● 2026-08-05 02:22:10
●NSns-2007.awsdns-58.co.uk2026-02-15 → 2026-08-05 · 3 obs
○ 2017-11-23 09:55:46
● 2026-02-15 15:54:46
● 2026-08-05 02:22:10
●NSns-318.awsdns-39.com2026-02-15 → 2026-08-05 · 3 obs
○ 2017-11-23 09:55:46
● 2026-02-15 15:54:46
● 2026-08-05 02:22:10
●NSns-944.awsdns-54.net2026-02-15 → 2026-08-05 · 3 obs
○ 2017-11-23 09:55:46
● 2026-02-15 15:54:46
● 2026-08-05 02:22:10
○NSns7.rookdns.com2017-11-23 → 2017-11-23 · 3 obs
● 2017-11-23 09:55:46
○ 2026-02-15 15:54:46
○ 2026-08-05 02:22:10
○NSns8.rookdns.com2017-11-23 → 2017-11-23 · 3 obs
● 2017-11-23 09:55:46
○ 2026-02-15 15:54:46
○ 2026-08-05 02:22:10
○A100.29.111.172026-02-15 → 2026-08-05 · 2 obs
○ 2026-02-15 15:54:46
○ 2026-08-05 02:22:10
●A100.51.75.42026-08-05 → 2026-08-05 · 3 obs
○ 2026-06-21 23:43:28
● 2026-08-05 02:22:08
● 2026-08-05 02:22:10
○A100.56.99.542026-06-21 → 2026-06-21 · 4 obs
○ 2026-06-09 18:29:24
● 2026-06-21 23:43:28
○ 2026-08-05 02:22:08
○ 2026-08-05 02:22:10
●A100.61.32.1732026-08-05 → 2026-08-05 · 3 obs
○ 2026-06-21 23:43:28
● 2026-08-05 02:22:08
● 2026-08-05 02:22:10
○A141.8.224.932017-11-23 → 2017-11-23 · 3 obs
● 2017-11-23 09:55:46
○ 2026-02-15 15:54:46
○ 2026-08-05 02:22:10
○A18.205.175.182026-05-01 → 2026-05-01 · 4 obs
○ 2026-04-21 10:37:24
● 2026-05-01 06:25:46
○ 2026-05-12 00:02:36
○ 2026-08-05 02:22:10
○A3.211.149.1122026-02-24 → 2026-03-12 · 5 obs
○ 2026-02-17 01:00:10
● 2026-02-24 01:02:22
● 2026-03-12 02:14:04
○ 2026-04-17 08:12:40
○ 2026-08-05 02:22:10
○A3.216.167.702026-02-24 → 2026-02-24 · 4 obs
○ 2026-02-17 01:00:10
● 2026-02-24 01:02:22
○ 2026-03-06 17:40:28
○ 2026-08-05 02:22:10
○A3.219.77.1512026-05-12 → 2026-05-21 · 5 obs
○ 2026-05-01 06:25:46
● 2026-05-12 00:02:36
● 2026-05-21 02:09:28
○ 2026-05-31 20:22:02
○ 2026-08-05 02:22:10
○A3.221.47.1052026-06-06 → 2026-06-09 · 5 obs
○ 2026-06-02 00:58:18
● 2026-06-06 06:29:58
● 2026-06-09 18:29:24
○ 2026-06-21 23:43:28
○ 2026-08-05 02:22:10
○A3.229.109.1582026-06-02 → 2026-06-09 · 5 obs
○ 2026-05-31 20:22:02
● 2026-06-02 00:58:18
● 2026-06-09 18:29:24
○ 2026-06-21 23:43:28
○ 2026-08-05 02:22:10
○A3.229.34.1062026-05-12 → 2026-05-21 · 5 obs
○ 2026-05-01 06:25:46
● 2026-05-12 00:02:36
● 2026-05-21 02:09:28
○ 2026-05-31 20:22:02
○ 2026-08-05 02:22:10
○A3.232.48.1622026-03-06 → 2026-03-12 · 5 obs
○ 2026-02-24 01:02:22
● 2026-03-06 17:40:28
● 2026-03-12 02:14:04
○ 2026-04-17 08:12:40
○ 2026-08-05 02:22:10
○A34.193.39.462026-02-15 → 2026-02-17 · 5 obs
○ 2017-11-23 09:55:46
● 2026-02-15 15:54:46
● 2026-02-17 01:00:10
○ 2026-02-24 01:02:22
○ 2026-08-05 02:22:10
○A34.234.68.1132026-02-15 → 2026-02-17 · 5 obs
○ 2017-11-23 09:55:46
● 2026-02-15 15:54:46
● 2026-02-17 01:00:10
○ 2026-02-24 01:02:22
○ 2026-08-05 02:22:10
○A34.236.57.32026-05-31 → 2026-06-02 · 5 obs
○ 2026-05-21 02:09:28
● 2026-05-31 20:22:02
● 2026-06-02 00:58:18
○ 2026-06-06 06:29:58
○ 2026-08-05 02:22:10
○A34.238.29.1272026-05-12 → 2026-05-21 · 5 obs
○ 2026-05-01 06:25:46
● 2026-05-12 00:02:36
● 2026-05-21 02:09:28
○ 2026-05-31 20:22:02
○ 2026-08-05 02:22:10
○A34.239.229.2522026-05-31 → 2026-06-02 · 5 obs
○ 2026-05-21 02:09:28
● 2026-05-31 20:22:02
● 2026-06-02 00:58:18
○ 2026-06-06 06:29:58
○ 2026-08-05 02:22:10
○A34.239.92.1662026-02-15 → 2026-08-05 · 2 obs
○ 2026-02-15 15:54:46
○ 2026-08-05 02:22:10
○A35.173.21.2322026-04-17 → 2026-04-21 · 5 obs
○ 2026-03-12 02:14:04
● 2026-04-17 08:12:40
● 2026-04-21 00:16:54
○ 2026-04-21 10:37:24
○ 2026-08-05 02:22:10
○A35.173.43.1322026-06-21 → 2026-06-21 · 4 obs
○ 2026-06-09 18:29:24
● 2026-06-21 23:43:28
○ 2026-08-05 02:22:08
○ 2026-08-05 02:22:10
○A44.205.211.652026-05-01 → 2026-05-01 · 4 obs
○ 2026-04-21 10:37:24
● 2026-05-01 06:25:46
○ 2026-05-12 00:02:36
○ 2026-08-05 02:22:10
●A44.213.136.352026-08-05 → 2026-08-05 · 3 obs
○ 2026-06-21 23:43:28
● 2026-08-05 02:22:08
● 2026-08-05 02:22:10
○A44.216.181.242026-03-06 → 2026-03-12 · 5 obs
○ 2026-02-24 01:02:22
● 2026-03-06 17:40:28
● 2026-03-12 02:14:04
○ 2026-04-17 08:12:40
○ 2026-08-05 02:22:10
○A50.19.175.2502026-06-06 → 2026-06-09 · 5 obs
○ 2026-06-02 00:58:18
● 2026-06-06 06:29:58
● 2026-06-09 18:29:24
○ 2026-06-21 23:43:28
○ 2026-08-05 02:22:10
○A52.206.176.612026-02-24 → 2026-02-24 · 4 obs
○ 2026-02-17 01:00:10
● 2026-02-24 01:02:22
○ 2026-03-06 17:40:28
○ 2026-08-05 02:22:10
○A52.3.56.522026-04-21 → 2026-05-01 · 5 obs
○ 2026-04-21 00:16:54
● 2026-04-21 10:37:24
● 2026-05-01 06:25:46
○ 2026-05-12 00:02:36
○ 2026-08-05 02:22:10
○A52.72.146.1522026-02-15 → 2026-08-05 · 2 obs
○ 2026-02-15 15:54:46
○ 2026-08-05 02:22:10
○A54.160.16.362026-05-31 → 2026-05-31 · 4 obs
○ 2026-05-21 02:09:28
● 2026-05-31 20:22:02
○ 2026-06-02 00:58:18
○ 2026-08-05 02:22:10
○A54.198.102.2212026-02-15 → 2026-02-17 · 5 obs
○ 2017-11-23 09:55:46
● 2026-02-15 15:54:46
● 2026-02-17 01:00:10
○ 2026-02-24 01:02:22
○ 2026-08-05 02:22:10
○A54.205.225.2372026-06-21 → 2026-06-21 · 4 obs
○ 2026-06-09 18:29:24
● 2026-06-21 23:43:28
○ 2026-08-05 02:22:08
○ 2026-08-05 02:22:10
○A54.224.3.1042026-04-17 → 2026-04-21 · 5 obs
○ 2026-03-12 02:14:04
● 2026-04-17 08:12:40
● 2026-04-21 10:37:24
○ 2026-05-01 06:25:46
○ 2026-08-05 02:22:10
○A54.234.69.232026-04-17 → 2026-04-21 · 5 obs
○ 2026-03-12 02:14:04
● 2026-04-17 08:12:40
● 2026-04-21 10:37:24
○ 2026-05-01 06:25:46
○ 2026-08-05 02:22:10
○PTRns7.rookdns.com2017-11-23 → 2026-02-17 · 4 obs
● 2017-11-23 09:55:46
● 2026-02-17 01:00:10
○ 2026-02-24 01:02:22
○ 2026-08-05 02:22:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
studuco.comns-318.awsdns-39.com, ns-944.awsdns-54.net, ns-1298.awsdns-34.org, ns-2007.awsdns-58.co.uk2 records

✅ Authoritative Response

Server:205.251.195.176

NS records: ns-318.awsdns-39.com, ns-944.awsdns-54.net, ns-1298.awsdns-34.org, ns-2007.awsdns-58.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studuco.com (unsigned zone)

⏱️ Timing

Total: 1698ms | Queries: -

📄 Records

TypeCountSample Data
A344.213.136.35, 100.51.75.4...
NS4ns-1298.awsdns-34.org, ns-2007.awsdns-58.co.uk...
SOA1ns-318.awsdns-39.com awsdns-hostmaster.a

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-318.awsdns-39.com, ns-318.awsdns-39.com)

Analysis

IP Addresses

studuco.com has three IP addresses: 44.213.136.35, 100.51.75.4 and 100.61.32.173.

studocu.be, studeersnel.nl, ec2-44-213-136-35.compute-1.amazonaws.com plus two other host names have IP numbers in common with studuco.com.

Name Servers

Four name servers handle the delegation for studuco.com: ns-318.awsdns-39.com, ns-944.awsdns-54.net, ns-1298.awsdns-34.org and ns-2007.awsdns-58.co.uk.

The name servers of studuco.com overlap at least partially with those of other domains — among them nebfonline.org, 33.203.168.in-addr.arpa, leon-grosse-solutions.fr and two more.

Each of the four hosts ns-318.awsdns-39.com, ns-944.awsdns-54.net, ns-1298.awsdns-34.org and ns-2007.awsdns-58.co.uk has two IP addresses. ns-318.awsdns-39.com points to 205.251.193.62 and 2600:9000:5301:3e00::1. ns-944.awsdns-54.net points to 205.251.195.176 and 2600:9000:5303:b000::1. ns-1298.awsdns-34.org points to 205.251.197.18 and 2600:9000:5305:1200::1. ns-2007.awsdns-58.co.uk points to 205.251.199.215 and 2600:9000:5307:d700::1.