istrco.com - robtex.com

istrco.com

DNSSEC⚠️ Not signed
A31.24.158.128🇪🇸 AXARNET-AS31.24.152.0/21
PTRmail.istrco.com
NSdora.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a6c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdora.ns.cloudflare.com
A2803:f800:50::6ca2:c06c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdora.ns.cloudflare.com
A2a06:98c1:50::ac40:206c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdora.ns.cloudflare.com
A108.162.192.108🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdora.ns.cloudflare.com
A172.64.32.108🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdora.ns.cloudflare.com
A173.245.58.108🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdora.ns.cloudflare.com
NSrommy.ns.cloudflare.com
A2606:4700:58::a29f:2c14🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrommy.ns.cloudflare.com
A2803:f800:50::6ca2:c314🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrommy.ns.cloudflare.com
A2a06:98c1:50::ac40:2314🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrommy.ns.cloudflare.com
A108.162.195.20🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrommy.ns.cloudflare.com
A162.159.44.20Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrommy.ns.cloudflare.com
A172.64.35.20🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrommy.ns.cloudflare.com
MXmail.istrco.com ⭐
A31.24.158.128🇪🇸 AXARNET-AS31.24.152.0/21
PTRmail.istrco.com
TXTv=spf1 ip4:31.24.158.128 -all
SOAdora.ns.cloudflare.comdns@cloudflare.com serial=2410063230

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=1784940742

Same first word

istrco.com

Similar names

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itcors.ch
tricos.net
trisco.ph
trisco.ru
crosit.com
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itcors.co.uk
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trisco.com.ph
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isoctr.org
sircot.com
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corist.com
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trocis.eu
sicort.com
cristo.fr
critos.com
sitcor.it
trisco.nl
riscot.co
sorcit.co.uk
cortis.org
ristco.com
octris.org

DNS History

4 records (4 active, 0 former)

NSdora.ns.cloudflare.comrommy.ns.cloudflare.comMXmail.istrco.comA31.24.158.128
●NSdora.ns.cloudflare.com2026-07-21 → 2026-07-25 · 2 obs
● 2026-07-21 07:59:26
● 2026-07-25 00:55:22
●NSrommy.ns.cloudflare.com2026-07-21 → 2026-07-25 · 2 obs
● 2026-07-21 07:59:26
● 2026-07-25 00:55:22
●MXmail.istrco.com2026-07-21 → 2026-07-25 · 2 obs
● 2026-07-21 07:59:26
● 2026-07-25 00:55:22
●A31.24.158.1282026-07-21 → 2026-07-25 · 2 obs
● 2026-07-21 07:59:26
● 2026-07-25 00:55:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
istrco.comdora.ns.cloudflare.com, rommy.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.108

NS records: dora.ns.cloudflare.com, rommy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for istrco.com (unsigned zone)

⏱️ Timing

Total: 196ms | Queries: -

📄 Records

TypeCountSample Data
A131.24.158.128
NS2dora.ns.cloudflare.com, rommy.ns.cloudflare.com
MX1mail.istrco.com (pri: 10)
TXT1v=spf1 ip4:31.24.158.128 -all
SOA1dora.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dora.ns.cloudflare.com, dora.ns.cloudflare.com, dora.ns.cloudflare.com...)

Analysis

IP Addresses

istrco.com directs to one IP number, which is 31.24.158.128.

Name Servers

DNS delegation for istrco.com points to two name servers: dora.ns.cloudflare.com and rommy.ns.cloudflare.com.

istrco.com has the same name server delegation as a number of other domains, such as psyberlink.com, personalcases.com, arredo3.com.ua and two more.

At least some of istrco.com's name servers are shared with other domains, for example jawandassociates.com, learn.it, europlan.sk and two more.

These name servers tend to be deployed in combination with the name servers nova.ns.cloudflare.com and major.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

dora.ns.cloudflare.com has IP addresses 108.162.192.108, 172.64.32.108 and 173.245.58.108, plus 3 other.

rommy.ns.cloudflare.com has IP addresses 108.162.195.20, 162.159.44.20 and 172.64.35.20, plus 3 other.

Mail Servers

istrco.com routes its mail through a single mail server, mail.istrco.com.

mail.istrco.com has exactly one IP number: 31.24.158.128.