gtcus.com - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

gtcus.com

DNSSEC⚠️ Not signed
A32.194.254.190
PTRbravo.globalispnet.com
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-1436.awsdns-51.org
A2600:9000:5305:9c00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1436.awsdns-51.org
A205.251.197.156🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1436.awsdns-51.org
NSns-1997.awsdns-57.co.uk
A2600:9000:5307:cd00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1997.awsdns-57.co.uk
A205.251.199.205🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1997.awsdns-57.co.uk
NSns-706.awsdns-24.net
A2600:9000:5302:c200::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-706.awsdns-24.net
A205.251.194.194🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-706.awsdns-24.net
MXmx1.gtcsp.net ⭐
A44.209.69.92🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRmx1.gtcsp.net
TXTv=spf1 a mx -all
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=1786864164

Previously MX for

gtcus.com

Same first word

gtcus.com

Similar names

cgust.edu.tw
tgcus.com
gustc.com
gtcsu.com
usgct.com
ugtcs.com
ustcg.com
cgstu.com
cgsut.cn
ugtsc.org.br
utscg.com
stguc.com
ustgc.com
gctus.com
cstug.cz
ctgus.com
sgcut.com

DNS History

18 records (6 active, 12 former)

200920112013201520172019202120232025NSns-1436.awsdns-51.orgns-1997.awsdns-57.co.ukns-408.awsdns-51.comns-706.awsdns-24.netns605.websitewelcome.comns606.websitewelcome.comMXmx1.gtcsp.netalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comgtcus-com.mxguardian.netgtcus.comA32.194.254.190192.185.118.1733.221.118.25369.65.121.167
●NSns-1436.awsdns-51.org2026-03-08 → 2026-08-16 · 3 obs
○ 2016-07-29 20:44:40
● 2026-03-08 12:07:06
● 2026-08-16 07:19:12
●NSns-1997.awsdns-57.co.uk2026-03-08 → 2026-08-16 · 3 obs
○ 2016-07-29 20:44:40
● 2026-03-08 12:07:06
● 2026-08-16 07:19:12
●NSns-408.awsdns-51.com2026-03-08 → 2026-08-16 · 3 obs
○ 2016-07-29 20:44:40
● 2026-03-08 12:07:06
● 2026-08-16 07:19:12
●NSns-706.awsdns-24.net2026-03-08 → 2026-08-16 · 3 obs
○ 2016-07-29 20:44:40
● 2026-03-08 12:07:06
● 2026-08-16 07:19:12
○NSns605.websitewelcome.com2015-07-21 → 2016-07-29 · 5 obs
○ 2008-03-20 15:33:42
● 2015-07-21 16:15:16
● 2016-07-29 20:44:40
○ 2026-03-08 12:07:06
○ 2026-08-16 07:19:12
○NSns606.websitewelcome.com2015-07-21 → 2016-07-29 · 5 obs
○ 2008-03-20 15:33:42
● 2015-07-21 16:15:16
● 2016-07-29 20:44:40
○ 2026-03-08 12:07:06
○ 2026-08-16 07:19:12
○MXalt1.aspmx.l.google.com2015-07-21 → 2016-07-29 · 5 obs
○ 2008-03-20 15:33:42
● 2015-07-21 16:15:16
● 2016-07-29 20:44:40
○ 2026-03-08 12:07:06
○ 2026-08-16 07:19:12
○MXalt2.aspmx.l.google.com2015-07-21 → 2016-07-29 · 5 obs
○ 2008-03-20 15:33:42
● 2015-07-21 16:15:16
● 2016-07-29 20:44:40
○ 2026-03-08 12:07:06
○ 2026-08-16 07:19:12
○MXaspmx.l.google.com2015-07-21 → 2016-07-29 · 5 obs
○ 2008-03-20 15:33:42
● 2015-07-21 16:15:16
● 2016-07-29 20:44:40
○ 2026-03-08 12:07:06
○ 2026-08-16 07:19:12
○MXaspmx2.googlemail.com2015-07-21 → 2016-07-29 · 5 obs
○ 2008-03-20 15:33:42
● 2015-07-21 16:15:16
● 2016-07-29 20:44:40
○ 2026-03-08 12:07:06
○ 2026-08-16 07:19:12
○MXaspmx3.googlemail.com2015-07-21 → 2016-07-29 · 5 obs
○ 2008-03-20 15:33:42
● 2015-07-21 16:15:16
● 2016-07-29 20:44:40
○ 2026-03-08 12:07:06
○ 2026-08-16 07:19:12
○MXgtcus-com.mxguardian.net2026-03-08 → 2026-03-28 · 5 obs
○ 2016-07-29 20:44:40
● 2026-03-08 12:07:06
● 2026-03-28 13:41:26
○ 2026-06-29 00:17:50
○ 2026-08-16 07:19:12
○MXgtcus.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 15:33:42
○ 2015-07-21 16:15:16
○ 2026-08-16 07:19:12
●MXmx1.gtcsp.net2026-06-29 → 2026-08-16 · 3 obs
○ 2026-03-28 13:41:26
● 2026-06-29 00:17:50
● 2026-08-16 07:19:12
○A192.185.118.1732015-07-21 → 2016-07-29 · 5 obs
○ 2008-03-20 15:33:42
● 2015-07-21 16:15:16
● 2016-07-29 20:44:40
○ 2026-03-08 12:07:06
○ 2026-08-16 07:19:12
○A3.221.118.2532026-03-08 → 2026-03-28 · 5 obs
○ 2016-07-29 20:44:40
● 2026-03-08 12:07:06
● 2026-03-28 13:41:26
○ 2026-06-29 00:17:50
○ 2026-08-16 07:19:12
●A32.194.254.1902026-06-29 → 2026-08-16 · 3 obs
○ 2026-03-28 13:41:26
● 2026-06-29 00:17:50
● 2026-08-16 07:19:12
○A69.65.121.1672008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 15:33:42
○ 2015-07-21 16:15:16
○ 2026-08-16 07:19:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...-
gtcus.comns-706.awsdns-24.net, ns-408.awsdns-51.com, ns-1997.awsdns-57.co.uk, ns-1436.awsdns-51.org2 records

✅ Authoritative Response

Server:205.251.197.156

NS records: ns-706.awsdns-24.net, ns-408.awsdns-51.com, ns-1997.awsdns-57.co.uk, ns-1436.awsdns-51.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gtcus.com (unsigned zone)

⏱️ Timing

Total: 232ms | Queries: -

📄 Records

TypeCountSample Data
A132.194.254.190
NS4ns-1436.awsdns-51.org, ns-1997.awsdns-57.co.uk...
MX1mx1.gtcsp.net (pri: 0)
TXT1v=spf1 a mx -all
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

gtcus.com directs to one IP number, which is 32.194.254.190.

The host names ns2.globalispnet.com, ns1.globalispnet.com, bravo.globalispnet.com and globalispnet.com all share IP numbers with gtcus.com.

Name Servers

The domain gtcus.com is delegated to these four name servers: ns-408.awsdns-51.com, ns-706.awsdns-24.net, ns-1436.awsdns-51.org and ns-1997.awsdns-57.co.uk.

gtcus.com partially shares its NS delegation with several other domains, including d1w07pbl55iihb.cloudfront.net, exceptionalflowersofdelray.com, peedeemortgagegroup.com and two others.

ns-408.awsdns-51.com, ns-706.awsdns-24.net, ns-1436.awsdns-51.org and ns-1997.awsdns-57.co.uk each carry two IP addresses. ns-408.awsdns-51.com has 205.251.193.152 and 2600:9000:5301:9800::1; ns-706.awsdns-24.net has 205.251.194.194 and 2600:9000:5302:c200::1; ns-1436.awsdns-51.org has 205.251.197.156 and 2600:9000:5305:9c00::1; ns-1997.awsdns-57.co.uk has 205.251.199.205 and 2600:9000:5307:cd00::1.

Mail Servers

gtcus.com routes its mail through a single mail server, mx1.gtcsp.net.

mx1.gtcsp.net has exactly one IP number: 44.209.69.92.