tcstk.com - robtex.com

tcstk.com

DNSSEC⚠️ Not signed
A2606:4700::6811:4c75🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700::6811:4d75🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.17.76.117Cloudflare104.17.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.17.77.117Cloudflare104.17.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns1.ldv-dns.com ⭐
A67.208.136.60🇺🇸 Flexential67.208.136.0/24
NSns2.ldv-dns.com
A69.2.213.121🇺🇸 Flexential69.2.192.0/19 - AS13649 Aggregate
NSns3.ldv-dns.com
A54.203.55.118🇺🇸 Amazon54.202.0.0/15 EC2 PDX prefix
PTRec2-54-203-55-118.us-west-2.compute.amazonaws.com
MXd91579a.ess.barracudanetworks.com ⭐
A209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
MXd91579b.ess.barracudanetworks.com(20)
A209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
MXms43711795.msv1.invalid(50)
TXTMS=ms69509316
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns1.ldv-dns.comdnsadmin@ldv-dns.com serial=2130513062

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=1774431112

Subdomains

mail.tcstk.com

Same first word

tcstk.com

Similar names

ttcks.com
tksct.cn
ktcst.com
ksttc.com
skttc.com
tksct.com
ktcts.com
ttkcs.com
ksctt.or.kr
stktc.com
ckstt.de
kttcs.co.kr
tckts.com
cktts.com
tckts.nl
tktcs.com
kttcs.com
ksctt.cn
tsckt.com
ctstk.com

DNS History

15 records (10 active, 5 former)

20162017201820192020202120222023202420252026NSns1.ldv-dns.comns2.ldv-dns.comns3.ldv-dns.comns1.arinetdns.comns2.arinetdns.comMXd91579a.ess.barracudanetworks.comd91579b.ess.barracudanetworks.comms43711795.msv1.invalidtcstk.com.inbound10.mxlogic.nettcstk.com.inbound10.mxlogicmx.netA104.17.76.117104.17.77.1172606:4700::6811:4c752606:4700::6811:4d7523.92.240.4
○NSns1.arinetdns.com2015-07-12 → 2018-09-06 · 4 obs
● 2015-07-12 12:51:34
● 2018-09-06 02:50:32
○ 2026-02-17 11:20:40
○ 2026-03-25 10:01:52
●NSns1.ldv-dns.com2026-02-17 → 2026-03-25 · 3 obs
○ 2018-09-06 02:50:32
● 2026-02-17 11:20:40
● 2026-03-25 10:01:52
○NSns2.arinetdns.com2015-07-12 → 2018-09-06 · 4 obs
● 2015-07-12 12:51:34
● 2018-09-06 02:50:32
○ 2026-02-17 11:20:40
○ 2026-03-25 10:01:52
●NSns2.ldv-dns.com2026-02-17 → 2026-03-25 · 3 obs
○ 2018-09-06 02:50:32
● 2026-02-17 11:20:40
● 2026-03-25 10:01:52
●NSns3.ldv-dns.com2026-02-17 → 2026-03-25 · 3 obs
○ 2018-09-06 02:50:32
● 2026-02-17 11:20:40
● 2026-03-25 10:01:52
●MXd91579a.ess.barracudanetworks.com2017-02-06 → 2026-03-25 · 3 obs
○ 2016-02-17 09:33:40
● 2017-02-06 17:22:46
● 2026-03-25 10:01:52
●MXd91579b.ess.barracudanetworks.com2017-02-06 → 2026-03-25 · 3 obs
○ 2016-02-17 09:33:40
● 2017-02-06 17:22:46
● 2026-03-25 10:01:52
●MXms43711795.msv1.invalid2018-09-06 → 2026-03-25 · 3 obs
○ 2017-02-06 17:22:46
● 2018-09-06 02:50:32
● 2026-03-25 10:01:52
○MXtcstk.com.inbound10.mxlogic.net2015-07-12 → 2016-02-17 · 4 obs
● 2015-07-12 12:51:34
● 2016-02-17 09:33:40
○ 2017-02-06 17:22:46
○ 2026-03-25 10:01:52
○MXtcstk.com.inbound10.mxlogicmx.net2015-07-12 → 2016-02-17 · 4 obs
● 2015-07-12 12:51:34
● 2016-02-17 09:33:40
○ 2017-02-06 17:22:46
○ 2026-03-25 10:01:52
●A104.17.76.1172026-02-17 → 2026-03-25 · 3 obs
○ 2018-09-06 02:50:32
● 2026-02-17 11:20:40
● 2026-03-25 10:01:52
●A104.17.77.1172026-02-17 → 2026-03-25 · 3 obs
○ 2018-09-06 02:50:32
● 2026-02-17 11:20:40
● 2026-03-25 10:01:52
○A23.92.240.42015-07-12 → 2018-09-06 · 4 obs
● 2015-07-12 12:51:34
● 2018-09-06 02:50:32
○ 2026-02-17 11:20:40
○ 2026-03-25 10:01:52
●A2606:4700::6811:4c752026-02-17 → 2026-03-25 · 3 obs
○ 2018-09-06 02:50:32
● 2026-02-17 11:20:40
● 2026-03-25 10:01:52
●A2606:4700::6811:4d752026-02-17 → 2026-03-25 · 3 obs
○ 2018-09-06 02:50:32
● 2026-02-17 11:20:40
● 2026-03-25 10:01:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
tcstk.comns1.ldv-dns.com, ns2.ldv-dns.com, ns3.ldv-dns.com3 records

✅ Authoritative Response

Server:67.208.136.60

NS records: ns1.ldv-dns.com, ns2.ldv-dns.com, ns3.ldv-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tcstk.com (unsigned zone)

⏱️ Timing

Total: 320ms | Queries: -

📄 Records

TypeCountSample Data
A2104.17.77.117, 104.17.76.117
AAAA22606:4700::6811:4d75, 2606:4700::6811:4c75
NS3ns3.ldv-dns.com, ns1.ldv-dns.com...
MX3ms43711795.msv1.invalid (pri: 50), d91579b.ess.barracudanetworks.com (pri: ...
TXT2MS=ms69509316, v=spf1 include:spf.protection.outlook.co
SOA1ns1.ldv-dns.com dnsadmin.ldv-dns.com

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.ldv-dns.com, ns2.ldv-dns.com, ns3.ldv-dns.com)

Analysis

Hierarchy

tcstk.com is the parent of mail.tcstk.com.

IP Addresses

tcstk.com points to four IP numbers: 2606:4700::6811:4c75, 2606:4700::6811:4d75, 104.17.76.117 and 104.17.77.117.

Other host names including parkviewrv.com, ams-nd.com, pigtrailhd.com, toppersrvs.com and cfgllp.net share IP numbers with tcstk.com.

Name Servers

tcstk.com is delegated to three name servers: ns1.ldv-dns.com, ns2.ldv-dns.com and ns3.ldv-dns.com.

tcstk.com at least partially shares name servers with other domains, including houseofcycles.com, ronanpowerproducts.com, trippshd.com, lakesidervsales.com and parklandsled.com.

These name servers are often used together with ns00.ldv-dns.com.

Hostnames with a single IP:

ns1.ldv-dns.com points to: 67.208.136.60.

ns2.ldv-dns.com points to: 69.2.213.121.

ns3.ldv-dns.com points to: 54.203.55.118.

Mail Servers

tcstk.com is handled by three mail servers: ms43711795.msv1.invalid, d91579a.ess.barracudanetworks.com and d91579b.ess.barracudanetworks.com.

Host names with three IP numbers:

Host name d91579a.ess.barracudanetworks.com points to: 209.222.82.252, 209.222.82.253 and 209.222.82.255.

Host name d91579b.ess.barracudanetworks.com points to: 209.222.82.252, 209.222.82.253 and 209.222.82.255.

Names pointing to 209.222.82.252: d91579a.ess.barracudanetworks.com and d91579b.ess.barracudanetworks.com.

Names pointing to 209.222.82.253: d91579a.ess.barracudanetworks.com and d91579b.ess.barracudanetworks.com.

Names pointing to 209.222.82.255: d91579a.ess.barracudanetworks.com and d91579b.ess.barracudanetworks.com.