isc4.com - robtex.com

isc4.com

DNSSEC⚠️ Not signed
A99.109.51.24🇺🇸 AS701899.108.0.0/14
NSmarek.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bca🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A2803:f800:50::6ca2:c1ca🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmarek.ns.cloudflare.com
A2a06:98c1:50::ac40:21ca🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmarek.ns.cloudflare.com
A108.162.193.202🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A172.64.33.202🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A173.245.59.202🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
NSsydney.ns.cloudflare.com
A2606:4700:50::a29f:2666🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsydney.ns.cloudflare.com
A2803:f800:50::6ca2:c266🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsydney.ns.cloudflare.com
A2a06:98c1:50::ac40:2266🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsydney.ns.cloudflare.com
A108.162.194.102🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsydney.ns.cloudflare.com
A162.159.38.102Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsydney.ns.cloudflare.com
A172.64.34.102🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsydney.ns.cloudflare.com
SOAmarek.ns.cloudflare.comdns@cloudflare.com serial=2406391217

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=1785204247

Same first word

isc4.k12.il.us
isc4.com

Similar names

i4sc.com
c4is.com
cis4.net
4ics.com
sic4.com
sci4.net
4csi.com
i4cs.com
i4cs.com.au
4sci.com
si4c.com
s4ci.com
4sci.net
i4cs.net
c4is.ms
4cis.nl
s4ic.com
i4cs.eu
cs4i.net
sc4i.org
is4c.com
cis4.com
4sci.org
c4is.net
sci4.com
is4c.nl
i4cs.org
c4si.org
i4cs.at
c4si.com
ics4.com
4cis.com
4cis.org
4sci.ai

DNS History

3 records (3 active, 0 former)

NSmarek.ns.cloudflare.comsydney.ns.cloudflare.comA99.109.51.24
●NSmarek.ns.cloudflare.com2026-06-25 → 2026-07-28 · 2 obs
● 2026-06-25 00:08:26
● 2026-07-28 02:18:08
●NSsydney.ns.cloudflare.com2026-06-25 → 2026-07-28 · 2 obs
● 2026-06-25 00:08:26
● 2026-07-28 02:18:08
●A99.109.51.242026-06-25 → 2026-07-28 · 2 obs
● 2026-06-25 00:08:26
● 2026-07-28 02:18:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
isc4.commarek.ns.cloudflare.com, sydney.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.102

NS records: marek.ns.cloudflare.com, sydney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isc4.com (unsigned zone)

⏱️ Timing

Total: 120ms | Queries: -

📄 Records

TypeCountSample Data
A199.109.51.24
NS2marek.ns.cloudflare.com, sydney.ns.cloudflare.com
SOA1marek.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

isc4.com resolves to one IP address: 99.109.51.24.

Name Servers

isc4.com is delegated to two name servers: marek.ns.cloudflare.com and sydney.ns.cloudflare.com.

isc4.com uses the same name servers as several other domains — among them tejezsnwkfg.work, weathershop.co.uk, distinguished.com and two more.

isc4.com shares at least some of its name servers with other domains, including mondriaanhuis.nl, davidtorn.net, orbitcollect.co.uk and two others.

These name servers are frequently paired with the name servers kipp.ns.cloudflare.com, cesar.ns.cloudflare.com and meg.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

marek.ns.cloudflare.com resolves to 108.162.193.202, 172.64.33.202, 173.245.59.202 and 3 other IP addresses.

sydney.ns.cloudflare.com resolves to 108.162.194.102, 162.159.38.102, 172.64.34.102 and 3 other IP addresses.