istecdn.com - robtex.com

istecdn.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:838c🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:a9e🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.10.158Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.131.140🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgraham.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bab🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
A2803:f800:50::6ca2:c1ab🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgraham.ns.cloudflare.com
A2a06:98c1:50::ac40:21ab🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgraham.ns.cloudflare.com
A108.162.193.171🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
A172.64.33.171🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
A173.245.59.171🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
NSharlee.ns.cloudflare.com
A2606:4700:50::a29f:26ee🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharlee.ns.cloudflare.com
A2803:f800:50::6ca2:c2ee🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRharlee.ns.cloudflare.com
A2a06:98c1:50::ac40:22ee🇺🇸 Cloudflare2a06:98c1:50::/45
PTRharlee.ns.cloudflare.com
A108.162.194.238🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharlee.ns.cloudflare.com
A162.159.38.238Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharlee.ns.cloudflare.com
A172.64.34.238🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharlee.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.10.158, 172.67.131.140
IPv6 hints2606:4700:3035::ac43:838c, 2606:4700:3036::6815:a9e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=232, name=cloudflare-ech.com
SOAgraham.ns.cloudflare.comdns@cloudflare.com serial=2411038128

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=1786229969

Same first word

istecdn.com

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DNS History

10 records (6 active, 4 former)

NSgraham.ns.cloudflare.comharlee.ns.cloudflare.comA104.21.10.158172.67.131.1402606:4700:3035::ac43:838c2606:4700:3036::6815:a9e188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSgraham.ns.cloudflare.com2026-07-20 → 2026-08-08 · 2 obs
● 2026-07-20 15:03:50
● 2026-08-08 23:29:54
●NSharlee.ns.cloudflare.com2026-07-20 → 2026-08-08 · 2 obs
● 2026-07-20 15:03:50
● 2026-08-08 23:29:54
●A104.21.10.1582026-08-08 → 2026-08-08 · 2 obs
○ 2026-07-20 15:03:50
● 2026-08-08 23:29:54
●A172.67.131.1402026-08-08 → 2026-08-08 · 2 obs
○ 2026-07-20 15:03:50
● 2026-08-08 23:29:54
○A188.114.96.02026-07-20 → 2026-07-20 · 2 obs
● 2026-07-20 15:03:50
○ 2026-08-08 23:29:54
○A188.114.97.02026-07-20 → 2026-07-20 · 2 obs
● 2026-07-20 15:03:50
○ 2026-08-08 23:29:54
●A2606:4700:3035::ac43:838c2026-08-08 → 2026-08-08 · 2 obs
○ 2026-07-20 15:03:50
● 2026-08-08 23:29:54
●A2606:4700:3036::6815:a9e2026-08-08 → 2026-08-08 · 2 obs
○ 2026-07-20 15:03:50
● 2026-08-08 23:29:54
○A2a06:98c1:3120::2026-07-20 → 2026-07-20 · 2 obs
● 2026-07-20 15:03:50
○ 2026-08-08 23:29:54
○A2a06:98c1:3121::2026-07-20 → 2026-07-20 · 2 obs
● 2026-07-20 15:03:50
○ 2026-08-08 23:29:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net...-
istecdn.comgraham.ns.cloudflare.com, harlee.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.238

NS records: graham.ns.cloudflare.com, harlee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for istecdn.com (unsigned zone)

⏱️ Timing

Total: 470ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.10.158, 172.67.131.140
AAAA22606:4700:3035::ac43:838c, 2606:4700:3036::6815:a9e
NS2graham.ns.cloudflare.com, harlee.ns.cloudflare.com
TXT1v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1graham.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

istecdn.com directs to four IP numbers, which are 104.21.10.158, 172.67.131.140, 2606:4700:3035::ac43:838c and 2606:4700:3036::6815:a9e.

Two other host names, along with jokerbet777.com, thinkbiotech.com and junaidtech.pk, also share IP numbers with istecdn.com.

Name Servers

istecdn.com is served by two delegated name servers, graham.ns.cloudflare.com and harlee.ns.cloudflare.com.

istecdn.com shares its NS records with other domains, for example gizerp.com, jeanslab.com.tr, teknogiz.com and two others.

At least some of istecdn.com's name servers are shared with other domains, for example felsefeekibi.com, powertriangle.net, bilhetevirtual.net and two more.

These name servers tend to be used in conjunction with the name servers june.ns.cloudflare.com.

DNS names with 6 IP addresses:

graham.ns.cloudflare.com carries IP addresses 108.162.193.171, 172.64.33.171 and 173.245.59.171, with 3 other addresses beyond those.

harlee.ns.cloudflare.com carries IP addresses 108.162.194.238, 162.159.38.238 and 172.64.34.238, with 3 other addresses beyond those.