tutorial4us.com - robtex.com

tutorial4us.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:16ac🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:cdf3🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.22.172Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.205.243🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelias.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c1d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelias.ns.cloudflare.com
A2803:f800:50::6ca2:c31d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelias.ns.cloudflare.com
A2a06:98c1:50::ac40:231d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelias.ns.cloudflare.com
A108.162.195.29🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelias.ns.cloudflare.com
A162.159.44.29Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelias.ns.cloudflare.com
A172.64.35.29🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelias.ns.cloudflare.com
NSkristina.ns.cloudflare.com
A2606:4700:50::a29f:267d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkristina.ns.cloudflare.com
A2803:f800:50::6ca2:c27d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkristina.ns.cloudflare.com
A2a06:98c1:50::ac40:227d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkristina.ns.cloudflare.com
A108.162.194.125🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkristina.ns.cloudflare.com
A162.159.38.125Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkristina.ns.cloudflare.com
A172.64.34.125🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkristina.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.22.172, 172.67.205.243
IPv62606:4700:3030::6815:16ac, 2606:4700:3030::ac43:cdf3
SOAelias.ns.cloudflare.comdns@cloudflare.com serial=2399505838

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=1774434762
WOT: UNKNOWN (37/100)

Previously MX for

tutorial4us.com

Same first word

tutorial4us.com

Similar names

tutorials4u.com

DNS History

15 records (6 active, 9 former)

20162017201820192020202120222023202420252026NSelias.ns.cloudflare.comkristina.ns.cloudflare.coma.share-dns.coma7.share-dns.comb.share-dns.netb7.share-dns.netns1.md-in-3.webhostbox.netns2.md-in-3.webhostbox.netMXtutorial4us.comA104.21.22.172172.67.205.2432606:4700:3030::6815:16ac2606:4700:3030::ac43:cdf3103.21.58.121156.224.181.4
○NSa.share-dns.com2026-03-13 → 2026-03-13 · 3 obs
○ 2016-12-27 07:02:08
● 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
○NSa7.share-dns.com2026-03-13 → 2026-03-13 · 3 obs
○ 2016-12-27 07:02:08
● 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
○NSb.share-dns.net2026-03-13 → 2026-03-13 · 3 obs
○ 2016-12-27 07:02:08
● 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
○NSb7.share-dns.net2026-03-13 → 2026-03-13 · 3 obs
○ 2016-12-27 07:02:08
● 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
●NSelias.ns.cloudflare.com2026-03-25 → 2026-03-25 · 2 obs
○ 2026-03-13 09:38:44
● 2026-03-25 11:02:04
●NSkristina.ns.cloudflare.com2026-03-25 → 2026-03-25 · 2 obs
○ 2026-03-13 09:38:44
● 2026-03-25 11:02:04
○NSns1.md-in-3.webhostbox.net2015-05-15 → 2016-12-27 · 4 obs
● 2015-05-15 06:00:14
● 2016-12-27 07:02:08
○ 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
○NSns2.md-in-3.webhostbox.net2015-05-15 → 2016-12-27 · 4 obs
● 2015-05-15 06:00:14
● 2016-12-27 07:02:08
○ 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
○MXtutorial4us.com2015-05-15 → 2016-12-27 · 4 obs
● 2015-05-15 06:00:14
● 2016-12-27 07:02:08
○ 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
○A103.21.58.1212015-05-15 → 2016-12-27 · 4 obs
● 2015-05-15 06:00:14
● 2016-12-27 07:02:08
○ 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
●A104.21.22.1722026-03-25 → 2026-03-25 · 2 obs
○ 2026-03-13 09:38:44
● 2026-03-25 11:02:04
○A156.224.181.42026-03-13 → 2026-03-13 · 3 obs
○ 2016-12-27 07:02:08
● 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
●A172.67.205.2432026-03-25 → 2026-03-25 · 2 obs
○ 2026-03-13 09:38:44
● 2026-03-25 11:02:04
●A2606:4700:3030::6815:16ac2026-03-25 → 2026-03-25 · 2 obs
○ 2026-03-13 09:38:44
● 2026-03-25 11:02:04
●A2606:4700:3030::ac43:cdf32026-03-25 → 2026-03-25 · 2 obs
○ 2026-03-13 09:38:44
● 2026-03-25 11:02:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net...-
tutorial4us.comkristina.ns.cloudflare.com, elias.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.29

NS records: kristina.ns.cloudflare.com, elias.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutorial4us.com (unsigned zone)

⏱️ Timing

Total: 113ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.205.243, 104.21.22.172
AAAA22606:4700:3030::6815:16ac, 2606:4700:3030::ac43:cdf3
NS2elias.ns.cloudflare.com, kristina.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1elias.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

tutorial4us.com resolves to four IP numbers: 2606:4700:3030::6815:16ac, 2606:4700:3030::ac43:cdf3, 104.21.22.172 and 172.67.205.243.

Other host names such as cjxclkj.com, www.szpitalmurcki.pl, bdyhmm.com, lipinbeijing.com and www.cjxclkj.com share IPs with tutorial4us.com.

Name Servers

tutorial4us.com is delegated to two name servers: elias.ns.cloudflare.com and kristina.ns.cloudflare.com.

tutorial4us.com shares the same name server setup as xinchenglvshi.com, prohd.net, ajoin.net, lafa.name and nyoicn.com.

tutorial4us.com at least partially shares name servers with other domains, for instance quadmotocentrum.sk, mail-reuter.de, refereesdrivingschool.com, anoiksis.nl and ips-l.com.

These name servers are commonly used together with rihana.ns.cloudflare.com, randall.ns.cloudflare.com and oswald.ns.cloudflare.com.

Host names with six IP numbers:

elias.ns.cloudflare.com points to 2606:4700:58::a29f:2c1d, 2803:f800:50::6ca2:c31d, 2a06:98c1:50::ac40:231d, 108.162.195.29, 162.159.44.29 and 172.64.35.29.

kristina.ns.cloudflare.com points to 2606:4700:50::a29f:267d, 2803:f800:50::6ca2:c27d, 2a06:98c1:50::ac40:227d, 108.162.194.125, 162.159.38.125 and 172.64.34.125.