studoc.com - dns.ninja

studoc.com

DNSSEC⚠️ Not signed
A35.173.43.132🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix
PTRec2-35-173-43-132.compute-1.amazonaws.com
A54.205.225.237🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix
A100.56.99.54🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix
NSns-408.awsdns-51.com ⭐
A2600:9000:5301:9800::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-408.awsdns-51.com
A205.251.193.152🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-408.awsdns-51.com
NSns-1379.awsdns-44.org
A2600:9000:5305:6300::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1379.awsdns-44.org
A205.251.197.99🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1379.awsdns-44.org
NSns-1980.awsdns-55.co.uk
A2600:9000:5307:bc00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1980.awsdns-55.co.uk
A205.251.199.188🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1980.awsdns-55.co.uk
NSns-746.awsdns-29.net
A2600:9000:5302:ea00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-746.awsdns-29.net
A205.251.194.234🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-746.awsdns-29.net
SOAns-408.awsdns-51.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=1781658880

Same first word

studoc.com

Similar names

custod.irish
dscout.net
doctus.be
doctus.es
doctus.pl
doctus.eu
doctus.com
oducts.com
dustco.eu
studco.us
ducost.com
doctus.de
tudocs.com
doctus.com.co
custod.net
ocusdt.com
docust.com
tdoscu.com
custod.es
docuts.com
utsdco.gov
doctus.com.br
doctus.in
doctus.co.in
doctus.no
studco.nl
ductos.pt
ductos.mx
doctus.net.br
tudosc.com.br
dscout.com
dscout.de
utdcos.com
dscout.org
doctus.cn
doctus.med.br
doctus.solutions
utdocs.com
cousdt.com
doctus.hu
doctus.biz
studco.net
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doctus.lv
custod.com
doctus.ru
doctus.com.au
sducto.com
doctus.co
usdcto.com
doctus.nl
utdocs.org
doctus.cl
doctus.co.uk
cdusto.com
doctus.com.mx
doctus.org
doctus.net
doctus.cz

DNS History

43 records (7 active, 36 former)

200920112013201520172019202120232025NSns-1379.awsdns-44.orgns-1980.awsdns-55.co.ukns-408.awsdns-51.comns-746.awsdns-29.netns1.dsredirection.comns1.namebrightdns.comns2.dsredirection.comns2.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comA100.56.99.5435.173.43.13254.205.225.237107.23.198.240208.73.212.123.214.67.2113.221.47.1053.221.63.633.229.109.15834.200.169.12734.236.57.334.239.229.25244.207.92.17350.19.175.25052.0.96.2452.200.243.12352.206.43.23452.4.28.19752.4.72.13752.5.157.22052.70.121.23852.71.117.9954.152.144.24354.160.16.3654.174.31.25454.208.74.21554.209.90.8154.210.33.19054.236.123.22454.85.54.2998.90.105.170CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.comhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com
●NSns-1379.awsdns-44.org2026-04-10 → 2026-06-17 · 3 obs
○ 2018-06-12 09:25:56
● 2026-04-10 06:36:44
● 2026-06-17 01:28:24
●NSns-1980.awsdns-55.co.uk2026-04-10 → 2026-06-17 · 3 obs
○ 2018-06-12 09:25:56
● 2026-04-10 06:36:44
● 2026-06-17 01:28:24
●NSns-408.awsdns-51.com2026-04-10 → 2026-06-17 · 3 obs
○ 2018-06-12 09:25:56
● 2026-04-10 06:36:44
● 2026-06-17 01:28:24
●NSns-746.awsdns-29.net2026-04-10 → 2026-06-17 · 3 obs
○ 2018-06-12 09:25:56
● 2026-04-10 06:36:44
● 2026-06-17 01:28:24
○NSns1.dsredirection.com2008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 07:43:18
○ 2015-08-11 17:36:00
○ 2026-06-17 01:28:24
○NSns1.namebrightdns.com2015-08-11 → 2018-06-12 · 10 obs
○ 2008-03-16 07:43:18
● 2015-08-11 17:36:00
● 2015-11-03 20:08:08
○ 2016-01-27 21:14:30
● 2016-02-14 05:31:00
○ 2016-06-20 05:13:30
● 2016-09-02 08:42:16
● 2018-06-12 09:25:56
○ 2026-04-10 06:36:44
○ 2026-06-17 01:28:24
○NSns2.dsredirection.com2008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 07:43:18
○ 2015-08-11 17:36:00
○ 2026-06-17 01:28:24
○NSns2.namebrightdns.com2015-08-11 → 2018-06-12 · 9 obs
○ 2008-03-16 07:43:18
● 2015-08-11 17:36:00
● 2015-11-03 20:08:08
○ 2016-01-27 21:14:30
○ 2016-06-20 05:13:30
● 2016-09-02 08:42:16
● 2018-06-12 09:25:56
○ 2026-04-10 06:36:44
○ 2026-06-17 01:28:24
○NSnsg1.namebrightdns.com2016-01-27 → 2016-06-20 · 5 obs
○ 2015-11-03 20:08:08
● 2016-01-27 21:14:30
● 2016-06-20 05:13:30
○ 2016-09-02 08:42:16
○ 2026-06-17 01:28:24
○NSnsg2.namebrightdns.com2016-01-27 → 2016-06-20 · 5 obs
○ 2015-11-03 20:08:08
● 2016-01-27 21:14:30
● 2016-06-20 05:13:30
○ 2016-09-02 08:42:16
○ 2026-06-17 01:28:24
●A100.56.99.542026-06-17 → 2026-06-17 · 3 obs
○ 2026-06-09 18:28:48
● 2026-06-17 01:28:22
● 2026-06-17 01:28:24
○A107.23.198.2402016-09-02 → 2016-09-02 · 4 obs
○ 2016-06-20 05:13:30
● 2016-09-02 08:42:16
○ 2016-12-23 10:24:20
○ 2026-06-17 01:28:24
○A208.73.212.122008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 07:43:18
○ 2015-08-11 17:36:00
○ 2026-06-17 01:28:24
○A3.214.67.2112026-04-10 → 2026-06-17 · 2 obs
○ 2026-04-10 06:36:44
○ 2026-06-17 01:28:24
○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 18:28:48
○ 2026-06-17 01:28:22
○ 2026-06-17 01:28:24
○A3.221.63.632026-04-10 → 2026-04-10 · 4 obs
○ 2018-06-12 09:25:56
● 2026-04-10 06:36:44
○ 2026-05-31 20:22:22
○ 2026-06-17 01:28:24
○A3.229.109.1582026-06-02 → 2026-06-09 · 5 obs
○ 2026-05-31 20:22:22
● 2026-06-02 00:58:18
● 2026-06-09 18:28:48
○ 2026-06-17 01:28:22
○ 2026-06-17 01:28:24
○A34.200.169.1272026-04-10 → 2026-06-17 · 2 obs
○ 2026-04-10 06:36:44
○ 2026-06-17 01:28:24
○A34.236.57.32026-05-31 → 2026-06-02 · 5 obs
○ 2026-04-10 06:36:44
● 2026-05-31 20:22:22
● 2026-06-02 00:58:18
○ 2026-06-06 06:29:58
○ 2026-06-17 01:28:24
○A34.239.229.2522026-05-31 → 2026-06-02 · 5 obs
○ 2026-04-10 06:36:44
● 2026-05-31 20:22:22
● 2026-06-02 00:58:18
○ 2026-06-06 06:29:58
○ 2026-06-17 01:28:24
●A35.173.43.1322026-06-17 → 2026-06-17 · 3 obs
○ 2026-06-09 18:28:48
● 2026-06-17 01:28:22
● 2026-06-17 01:28:24
○A44.207.92.1732026-04-10 → 2026-04-10 · 4 obs
○ 2018-06-12 09:25:56
● 2026-04-10 06:36:44
○ 2026-05-31 20:22:22
○ 2026-06-17 01:28:24
○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 18:28:48
○ 2026-06-17 01:28:22
○ 2026-06-17 01:28:24
○A52.0.96.242016-02-14 → 2016-02-14 · 4 obs
○ 2016-01-27 21:14:30
● 2016-02-14 05:31:00
○ 2016-06-20 05:13:30
○ 2026-06-17 01:28:24
○A52.200.243.1232016-06-20 → 2016-06-20 · 4 obs
○ 2016-02-14 05:31:00
● 2016-06-20 05:13:30
○ 2016-09-02 08:42:16
○ 2026-06-17 01:28:24
○A52.206.43.2342016-09-02 → 2016-09-02 · 4 obs
○ 2016-06-20 05:13:30
● 2016-09-02 08:42:16
○ 2016-12-23 10:24:20
○ 2026-06-17 01:28:24
○A52.4.28.1972026-04-10 → 2026-04-10 · 4 obs
○ 2018-06-12 09:25:56
● 2026-04-10 06:36:44
○ 2026-05-31 20:22:22
○ 2026-06-17 01:28:24
○A52.4.72.1372016-09-02 → 2016-09-02 · 4 obs
○ 2016-06-20 05:13:30
● 2016-09-02 08:42:16
○ 2016-12-23 10:24:20
○ 2026-06-17 01:28:24
○A52.5.157.2202016-12-23 → 2016-12-23 · 4 obs
○ 2016-09-02 08:42:16
● 2016-12-23 10:24:20
○ 2018-06-12 09:25:56
○ 2026-06-17 01:28:24
○A52.70.121.2382016-12-23 → 2016-12-23 · 4 obs
○ 2016-09-02 08:42:16
● 2016-12-23 10:24:20
○ 2018-06-12 09:25:56
○ 2026-06-17 01:28:24
○A52.71.117.992016-02-14 → 2016-02-14 · 4 obs
○ 2016-01-27 21:14:30
● 2016-02-14 05:31:00
○ 2016-06-20 05:13:30
○ 2026-06-17 01:28:24
○A54.152.144.2432016-06-20 → 2016-06-20 · 4 obs
○ 2016-02-14 05:31:00
● 2016-06-20 05:13:30
○ 2016-09-02 08:42:16
○ 2026-06-17 01:28:24
○A54.160.16.362026-05-31 → 2026-05-31 · 4 obs
○ 2026-04-10 06:36:44
● 2026-05-31 20:22:22
○ 2026-06-02 00:58:18
○ 2026-06-17 01:28:24
○A54.174.31.2542015-08-11 → 2015-11-03 · 5 obs
○ 2008-03-16 07:43:18
● 2015-08-11 17:36:00
● 2015-11-03 20:08:08
○ 2016-01-27 21:14:30
○ 2026-06-17 01:28:24
●A54.205.225.2372026-06-17 → 2026-06-17 · 3 obs
○ 2026-06-09 18:28:48
● 2026-06-17 01:28:22
● 2026-06-17 01:28:24
○A54.208.74.2152015-08-11 → 2015-11-03 · 5 obs
○ 2008-03-16 07:43:18
● 2015-08-11 17:36:00
● 2015-11-03 20:08:08
○ 2016-01-27 21:14:30
○ 2026-06-17 01:28:24
○A54.209.90.812016-01-27 → 2016-01-27 · 4 obs
○ 2015-11-03 20:08:08
● 2016-01-27 21:14:30
○ 2016-02-14 05:31:00
○ 2026-06-17 01:28:24
○A54.210.33.1902016-09-02 → 2016-09-02 · 4 obs
○ 2016-06-20 05:13:30
● 2016-09-02 08:42:16
○ 2016-12-23 10:24:20
○ 2026-06-17 01:28:24
○A54.236.123.2242016-09-02 → 2016-09-02 · 4 obs
○ 2016-06-20 05:13:30
● 2016-09-02 08:42:16
○ 2016-12-23 10:24:20
○ 2026-06-17 01:28:24
○A54.85.54.292016-01-27 → 2016-01-27 · 4 obs
○ 2015-11-03 20:08:08
● 2016-01-27 21:14:30
○ 2016-02-14 05:31:00
○ 2026-06-17 01:28:24
○A98.90.105.1702026-04-10 → 2026-06-17 · 2 obs
○ 2026-04-10 06:36:44
○ 2026-06-17 01:28:24
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-11 → 2016-09-02 · 5 obs
○ 2008-03-16 07:43:18
● 2015-08-11 17:36:00
● 2016-09-02 08:42:16
○ 2016-12-23 10:24:20
○ 2026-06-17 01:28:24
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2016-12-23 → 2018-06-12 · 5 obs
○ 2016-09-02 08:42:16
● 2016-12-23 10:24:20
● 2018-06-12 09:25:56
○ 2026-04-10 06:36:44
○ 2026-06-17 01:28:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
studoc.comns-746.awsdns-29.net, ns-408.awsdns-51.com, ns-1980.awsdns-55.co.uk, ns-1379.awsdns-44.org2 records

✅ Authoritative Response

Server:205.251.197.99

NS records: ns-746.awsdns-29.net, ns-408.awsdns-51.com, ns-1980.awsdns-55.co.uk, ns-1379.awsdns-44.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studoc.com (unsigned zone)

⏱️ Timing

Total: 412ms | Queries: -

📄 Records

TypeCountSample Data
A3100.56.99.54, 35.173.43.132...
NS4ns-1379.awsdns-44.org, ns-1980.awsdns-55.co.uk...
SOA1ns-408.awsdns-51.com awsdns-hostmaster.a

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-408.awsdns-51.com, ns-408.awsdns-51.com)

Analysis

IP Addresses

studoc.com resolves to three IP addresses: 35.173.43.132, 54.205.225.237 and 100.56.99.54.

Two other host names, along with studocu.se, studocu.vn and studocu.ch, also share IP numbers with studoc.com.

Name Servers

The NS records for studoc.com point to four name servers: ns-408.awsdns-51.com, ns-746.awsdns-29.net, ns-1379.awsdns-44.org and ns-1980.awsdns-55.co.uk.

studoc.com shares at least some of its name servers with other domains, including d1p5cqqchvbqmy.cloudfront.net, cigweld.com.au, d1tjpfz1nt7gn6.cloudfront.net and two others.

The host names ns-408.awsdns-51.com, ns-746.awsdns-29.net, ns-1379.awsdns-44.org and ns-1980.awsdns-55.co.uk each resolve to two IP addresses: ns-408.awsdns-51.com resolves to 205.251.193.152 and 2600:9000:5301:9800::1; ns-746.awsdns-29.net resolves to 205.251.194.234 and 2600:9000:5302:ea00::1; ns-1379.awsdns-44.org resolves to 205.251.197.99 and 2600:9000:5305:6300::1; ns-1980.awsdns-55.co.uk resolves to 205.251.199.188 and 2600:9000:5307:bc00::1.