polytech4u.com - robtex.com

polytech4u.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:931e🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:3f94🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.63.148Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.147.30🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlove.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2677🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlove.ns.cloudflare.com
A2803:f800:50::6ca2:c277🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlove.ns.cloudflare.com
A2a06:98c1:50::ac40:2277🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlove.ns.cloudflare.com
A108.162.194.119🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlove.ns.cloudflare.com
A162.159.38.119Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlove.ns.cloudflare.com
A172.64.34.119🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlove.ns.cloudflare.com
NSskip.ns.cloudflare.com
A2606:4700:58::adf5:3be9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRskip.ns.cloudflare.com
A2803:f800:50::6ca2:c1e9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRskip.ns.cloudflare.com
A2a06:98c1:50::ac40:21e9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRskip.ns.cloudflare.com
A108.162.193.233🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRskip.ns.cloudflare.com
A172.64.33.233🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRskip.ns.cloudflare.com
A173.245.59.233🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRskip.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.63.148, 172.67.147.30
IPv6 hints2606:4700:3032::ac43:931e, 2606:4700:3035::6815:3f94
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=36, name=cloudflare-ech.com
SOAlove.ns.cloudflare.comdns@cloudflare.com serial=2402309014

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=1777102971

Same first word

polytech4u.com

DNS History

17 records (6 active, 11 former)

201820192020202120222023202420252026NSlove.ns.cloudflare.comskip.ns.cloudflare.comdns1.bigrock.indns2.bigrock.indns3.bigrock.indns4.bigrock.inMXus2.mx1.mailhostbox.comus2.mx2.mailhostbox.comus2.mx3.mailhostbox.comA104.21.63.148172.67.147.302606:4700:3032::ac43:931e2606:4700:3035::6815:3f94216.239.32.21216.239.34.21216.239.36.21216.239.38.21
○NSdns1.bigrock.in2017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 05:32:40
○ 2026-04-18 16:21:34
○ 2026-04-25 08:04:52
○NSdns2.bigrock.in2017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 05:32:40
○ 2026-04-18 16:21:34
○ 2026-04-25 08:04:52
○NSdns3.bigrock.in2017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 05:32:40
○ 2026-04-18 16:21:34
○ 2026-04-25 08:04:52
○NSdns4.bigrock.in2017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 05:32:40
○ 2026-04-18 16:21:34
○ 2026-04-25 08:04:52
●NSlove.ns.cloudflare.com2026-04-18 → 2026-04-25 · 3 obs
○ 2017-09-08 05:32:40
● 2026-04-18 16:21:34
● 2026-04-25 08:04:52
●NSskip.ns.cloudflare.com2026-04-18 → 2026-04-25 · 3 obs
○ 2017-09-08 05:32:40
● 2026-04-18 16:21:34
● 2026-04-25 08:04:52
○MXus2.mx1.mailhostbox.com2017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 05:32:40
○ 2026-04-18 16:21:34
○ 2026-04-25 08:04:52
○MXus2.mx2.mailhostbox.com2017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 05:32:40
○ 2026-04-18 16:21:34
○ 2026-04-25 08:04:52
○MXus2.mx3.mailhostbox.com2017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 05:32:40
○ 2026-04-18 16:21:34
○ 2026-04-25 08:04:52
●A104.21.63.1482026-04-18 → 2026-04-25 · 3 obs
○ 2017-09-08 05:32:40
● 2026-04-18 16:21:34
● 2026-04-25 08:04:52
●A172.67.147.302026-04-18 → 2026-04-25 · 3 obs
○ 2017-09-08 05:32:40
● 2026-04-18 16:21:34
● 2026-04-25 08:04:52
○A216.239.32.212017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 05:32:40
○ 2026-04-18 16:21:34
○ 2026-04-25 08:04:52
○A216.239.34.212017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 05:32:40
○ 2026-04-18 16:21:34
○ 2026-04-25 08:04:52
○A216.239.36.212017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 05:32:40
○ 2026-04-18 16:21:34
○ 2026-04-25 08:04:52
○A216.239.38.212017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 05:32:40
○ 2026-04-18 16:21:34
○ 2026-04-25 08:04:52
●A2606:4700:3032::ac43:931e2026-04-18 → 2026-04-25 · 3 obs
○ 2017-09-08 05:32:40
● 2026-04-18 16:21:34
● 2026-04-25 08:04:52
●A2606:4700:3035::6815:3f942026-04-18 → 2026-04-25 · 3 obs
○ 2017-09-08 05:32:40
● 2026-04-18 16:21:34
● 2026-04-25 08:04:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net...-
polytech4u.comskip.ns.cloudflare.com, love.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.119

NS records: skip.ns.cloudflare.com, love.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polytech4u.com (unsigned zone)

⏱️ Timing

Total: 234ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.63.148, 172.67.147.30
AAAA22606:4700:3032::ac43:931e, 2606:4700:3035::6815:3f94
NS2love.ns.cloudflare.com, skip.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1love.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

polytech4u.com resolves to four IP numbers: 2606:4700:3032::ac43:931e, 2606:4700:3035::6815:3f94, 104.21.63.148 and 172.67.147.30.

Other host names such as curvev.finance, erapompa.com, marshrutca.ru, www.minskbusiness.com and focus101bureau.digital share IPs with polytech4u.com.

Name Servers

polytech4u.com is delegated to two name servers: love.ns.cloudflare.com and skip.ns.cloudflare.com.

polytech4u.com shares the same name server setup as freshsidegrille.com, birdsny.com, 24-option-scam.com, specializedtransportequipment.com and koosana.com.

polytech4u.com at least partially shares name servers with other domains, for instance getcellphonespy.com, bavdi.com, chicascalientes.es, barcarmela.es and patarimas.com.

these name servers are commonly used with sharon.ns.cloudflare.com, braden.ns.cloudflare.com, micah.ns.cloudflare.com and bill.ns.cloudflare.com.

Host names with six IP numbers:

love.ns.cloudflare.com points to 2606:4700:50::a29f:2677, 2803:f800:50::6ca2:c277, 2a06:98c1:50::ac40:2277, 108.162.194.119, 162.159.38.119 and 172.64.34.119.

skip.ns.cloudflare.com points to 2606:4700:58::adf5:3be9, 2803:f800:50::6ca2:c1e9, 2a06:98c1:50::ac40:21e9, 108.162.193.233, 172.64.33.233 and 173.245.59.233.