studup.com - robtex.com

studup.com

DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix
NSns1.namebrightdns.com ⭐
A2600:1f18:683a:ae1a:111c:4291:9c72:702d🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:8b2d:453e:ca75:106e🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:e0e8:f080:7325:d0f3🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.89.244.178🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-89-244-178.compute-1.amazonaws.com
A54.234.54.230🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix
PTRec2-54-234-54-230.compute-1.amazonaws.com
NSnsg3.namebrightdns.com
A2600:1f18:683a:ae1a:7d0c:28f5:ebc9:1ac8🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:94d8:6b55:f3b0:2b6e🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:dc6d:2ff5:8ede:179e🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:ee21:228d:fab6:9af5🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A54.90.178.80🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix
PTRec2-54-90-178-80.compute-1.amazonaws.com
A54.157.217.233🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix
PTRec2-54-157-217-233.compute-1.amazonaws.com
A54.197.162.93🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15
PTRec2-54-197-162-93.compute-1.amazonaws.com
A98.92.6.123🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix
PTRec2-98-92-6-123.compute-1.amazonaws.com
NSnsg4.namebrightdns.com
A2600:1f18:683a:ae1a:1778:6ee0:530:c411🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:7db3:b04b:3783:ac2🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:7758:b87:5dc2:23a9🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:ef75:e8e2:9a50:1e79🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.90.68.229🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-90-68-229.compute-1.amazonaws.com
A35.171.187.120🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix
PTRec2-35-171-187-120.compute-1.amazonaws.com
A54.145.2.185🇺🇸 Amazon54.144.0.0/14 EC2 IAD NAT prefix
PTRec2-54-145-2-185.compute-1.amazonaws.com
A100.31.153.57🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix
PTRec2-100-31-153-57.compute-1.amazonaws.com
TXTv=spf1 -all
TXTafternic-verification-G9G3tM8T8EwEizzPzjGJWF
SOAns1.namebrightdns.comdns@namebright.com 2026-04-25 #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=1777106671

Subdomains

5bf3d.studup.com

Same first word

studup.com

DNS History

29 records (7 active, 22 former)

200920112013201520172019202120232025NSns1.namebrightdns.comnsg3.namebrightdns.comnsg4.namebrightdns.comns2.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comnst1.namebrightdns.comnst2.namebrightdns.comA13.223.25.842600:1f18:4ae:c605:dd5d:b838:5816:d7fb2600:1f18:4ae:c606:78d4:4260:db4e:aeee54.243.117.197107.23.198.24052.0.96.2452.200.243.12352.206.43.23452.4.72.13752.5.157.22052.54.132.8352.71.117.9954.152.144.24354.174.31.25454.208.74.21554.210.33.19054.236.123.22454.84.53.3854.88.107.140CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.comhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com
●NSns1.namebrightdns.com2015-08-20 → 2026-04-25 · 14 obs
○ 2008-03-18 16:48:26
● 2015-08-20 10:48:58
● 2015-10-02 15:19:26
○ 2015-10-20 21:28:42
● 2015-11-08 14:47:24
● 2015-11-13 15:40:00
○ 2016-02-15 06:29:48
● 2016-06-19 06:03:34
○ 2016-07-01 07:13:14
● 2016-09-20 08:08:16
● 2016-10-07 22:51:46
○ 2016-10-22 02:18:30
● 2016-12-14 21:31:32
● 2026-04-25 08:52:18
○NSns2.namebrightdns.com2015-08-20 → 2018-06-23 · 14 obs
○ 2008-03-18 16:48:26
● 2015-08-20 10:48:58
● 2015-10-02 15:19:26
○ 2015-10-20 21:28:42
● 2015-11-08 14:47:24
● 2015-11-13 15:40:00
○ 2016-02-15 06:29:48
● 2016-06-19 06:03:34
● 2016-10-07 22:51:46
○ 2016-10-22 02:18:30
● 2016-12-14 21:31:32
● 2018-06-23 21:55:36
○ 2026-02-16 03:23:54
○ 2026-04-25 08:52:18
○NSnsg1.namebrightdns.com2015-08-20 → 2016-02-15 · 9 obs
○ 2008-03-18 16:48:26
● 2015-08-20 10:48:58
○ 2015-10-02 15:19:26
● 2015-10-20 21:28:42
○ 2015-11-08 14:47:24
○ 2015-11-13 15:40:00
● 2016-02-15 06:29:48
○ 2016-06-19 06:03:34
○ 2026-04-25 08:52:18
○NSnsg2.namebrightdns.com2015-10-20 → 2016-07-01 · 9 obs
○ 2015-10-02 15:19:26
● 2015-10-20 21:28:42
○ 2015-11-08 14:47:24
○ 2015-11-13 15:40:00
● 2016-02-15 06:29:48
○ 2016-06-19 06:03:34
● 2016-07-01 07:13:14
○ 2016-09-20 08:08:16
○ 2026-04-25 08:52:18
●NSnsg3.namebrightdns.com2026-02-16 → 2026-04-25 · 3 obs
○ 2018-06-23 21:55:36
● 2026-02-16 03:23:54
● 2026-04-25 08:52:18
●NSnsg4.namebrightdns.com2026-02-16 → 2026-04-25 · 3 obs
○ 2018-06-23 21:55:36
● 2026-02-16 03:23:54
● 2026-04-25 08:52:18
○NSnst1.namebrightdns.com2016-10-22 → 2016-10-22 · 4 obs
○ 2016-10-07 22:51:46
● 2016-10-22 02:18:30
○ 2016-12-14 21:31:32
○ 2026-04-25 08:52:18
○NSnst2.namebrightdns.com2016-10-22 → 2016-10-22 · 4 obs
○ 2016-10-07 22:51:46
● 2016-10-22 02:18:30
○ 2016-12-14 21:31:32
○ 2026-04-25 08:52:18
○A107.23.198.2402016-09-20 → 2016-10-22 · 5 obs
○ 2016-07-01 07:13:14
● 2016-09-20 08:08:16
● 2016-10-22 02:18:30
○ 2016-12-14 21:31:32
○ 2026-04-25 08:52:18
●A13.223.25.842026-02-16 → 2026-04-25 · 3 obs
○ 2018-06-23 21:55:36
● 2026-02-16 03:23:54
● 2026-04-25 08:52:18
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-16 → 2026-04-25 · 3 obs
○ 2018-06-23 21:55:36
● 2026-02-16 03:23:54
● 2026-04-25 08:52:18
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-16 → 2026-04-25 · 3 obs
○ 2018-06-23 21:55:36
● 2026-02-16 03:23:54
● 2026-04-25 08:52:18
○A52.0.96.242016-02-15 → 2016-02-15 · 4 obs
○ 2015-11-13 15:40:00
● 2016-02-15 06:29:48
○ 2016-06-19 06:03:34
○ 2026-04-25 08:52:18
○A52.200.243.1232016-06-19 → 2016-07-01 · 5 obs
○ 2016-02-15 06:29:48
● 2016-06-19 06:03:34
● 2016-07-01 07:13:14
○ 2016-09-20 08:08:16
○ 2026-04-25 08:52:18
○A52.206.43.2342016-09-20 → 2016-10-07 · 5 obs
○ 2016-07-01 07:13:14
● 2016-09-20 08:08:16
● 2016-10-07 22:51:46
○ 2016-10-22 02:18:30
○ 2026-04-25 08:52:18
○A52.4.72.1372016-09-20 → 2016-10-22 · 5 obs
○ 2016-07-01 07:13:14
● 2016-09-20 08:08:16
● 2016-10-22 02:18:30
○ 2016-12-14 21:31:32
○ 2026-04-25 08:52:18
○A52.5.157.2202016-12-14 → 2016-12-14 · 4 obs
○ 2016-10-22 02:18:30
● 2016-12-14 21:31:32
○ 2017-01-15 19:00:54
○ 2026-04-25 08:52:18
○A52.54.132.832017-01-15 → 2017-01-15 · 4 obs
○ 2016-12-14 21:31:32
● 2017-01-15 19:00:54
○ 2018-06-23 21:55:36
○ 2026-04-25 08:52:18
○A52.71.117.992016-02-15 → 2016-02-15 · 4 obs
○ 2015-11-13 15:40:00
● 2016-02-15 06:29:48
○ 2016-06-19 06:03:34
○ 2026-04-25 08:52:18
○A54.152.144.2432016-06-19 → 2016-07-01 · 5 obs
○ 2016-02-15 06:29:48
● 2016-06-19 06:03:34
● 2016-07-01 07:13:14
○ 2016-09-20 08:08:16
○ 2026-04-25 08:52:18
○A54.174.31.2542015-08-20 → 2015-11-13 · 5 obs
○ 2008-03-18 16:48:26
● 2015-08-20 10:48:58
● 2015-11-13 15:40:00
○ 2016-02-15 06:29:48
○ 2026-04-25 08:52:18
○A54.208.74.2152015-08-20 → 2015-11-13 · 5 obs
○ 2008-03-18 16:48:26
● 2015-08-20 10:48:58
● 2015-11-13 15:40:00
○ 2016-02-15 06:29:48
○ 2026-04-25 08:52:18
○A54.210.33.1902016-09-20 → 2016-10-07 · 5 obs
○ 2016-07-01 07:13:14
● 2016-09-20 08:08:16
● 2016-10-07 22:51:46
○ 2016-10-22 02:18:30
○ 2026-04-25 08:52:18
○A54.236.123.2242016-09-20 → 2016-10-07 · 5 obs
○ 2016-07-01 07:13:14
● 2016-09-20 08:08:16
● 2016-10-07 22:51:46
○ 2016-10-22 02:18:30
○ 2026-04-25 08:52:18
●A54.243.117.1972026-02-16 → 2026-04-25 · 3 obs
○ 2018-06-23 21:55:36
● 2026-02-16 03:23:54
● 2026-04-25 08:52:18
○A54.84.53.382016-12-14 → 2016-12-14 · 4 obs
○ 2016-10-22 02:18:30
● 2016-12-14 21:31:32
○ 2017-01-15 19:00:54
○ 2026-04-25 08:52:18
○A54.88.107.1402017-01-15 → 2017-01-15 · 4 obs
○ 2016-12-14 21:31:32
● 2017-01-15 19:00:54
○ 2018-06-23 21:55:36
○ 2026-04-25 08:52:18
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-20 → 2016-10-22 · 5 obs
○ 2008-03-18 16:48:26
● 2015-08-20 10:48:58
● 2016-10-22 02:18:30
○ 2016-12-14 21:31:32
○ 2026-04-25 08:52:18
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2016-12-14 → 2026-02-16 · 5 obs
○ 2016-10-22 02:18:30
● 2016-12-14 21:31:32
● 2026-02-16 03:23:54
○ 2026-02-20 15:31:54
○ 2026-04-25 08:52:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
studup.comnsg3.namebrightdns.com, nsg4.namebrightdns.com16 records

✅ Authoritative Response

Server:3.90.68.229

NS records: nsg3.namebrightdns.com, nsg4.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studup.com (unsigned zone)

⏱️ Timing

Total: 117ms | Queries: -

📄 Records

TypeCountSample Data
A213.223.25.84, 54.243.117.197
AAAA22600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee
NS2nsg4.namebrightdns.com, nsg3.namebrightdns.com
TXT2v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj
SOA1ns1.namebrightdns.com dns.namebright.com

📌 Glue Records Collected

Total: 16

Out-of-bailiwick: 16 (nsg3.namebrightdns.com, nsg3.namebrightdns.com, nsg3.namebrightdns.com...)

Analysis

Hierarchy

The parent of 5bf3d.studup.com is studup.com.

IP Addresses

studup.com resolves to four IP numbers: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

Other host names such as outlawswing.com, mail.amacams.com, teamfajardo.com, onescotch.com and www.onqual.com share IPs with studup.com.

Name Servers

studup.com is delegated to three name servers: ns1.namebrightdns.com, nsg3.namebrightdns.com and nsg4.namebrightdns.com.

studup.com at least partially shares name servers with other domains, for instance idzat.com, chezrico.com, aramira.com, stellargame.com and legalconsultingservices.com.

these name servers are commonly used with nsg1.namebrightdns.com, nsg2.namebrightdns.com, ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com, ns1.dropcatch.com and ns2.dropcatch.com.

Host names with eight IP numbers:

The host name nsg3.namebrightdns.com points to: 2600:1f18:683a:ae1a:7d0c:28f5:ebc9:1ac8, 2600:1f18:683a:ae1a:94d8:6b55:f3b0:2b6e, 2600:1f18:683a:ae1b:dc6d:2ff5:8ede:179e, 2600:1f18:683a:ae1b:ee21:228d:fab6:9af5, 54.90.178.80, 54.157.217.233, 54.197.162.93 and 98.92.6.123.

The host name nsg4.namebrightdns.com points to: 2600:1f18:683a:ae1a:1778:6ee0:530:c411, 2600:1f18:683a:ae1a:7db3:b04b:3783:ac2, 2600:1f18:683a:ae1b:7758:b87:5dc2:23a9, 2600:1f18:683a:ae1b:ef75:e8e2:9a50:1e79, 3.90.68.229, 35.171.187.120, 54.145.2.185 and 100.31.153.57.

Host names with five IP numbers:

The host name ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:111c:4291:9c72:702d, 2600:1f18:683a:ae1a:8b2d:453e:ca75:106e, 2600:1f18:683a:ae1a:e0e8:f080:7325:d0f3, 3.89.244.178 and 54.234.54.230.