tutorial4us.com - dns.ninja

tutorial4us.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:16ac🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:cdf3🇺🇸 Cloudflare2606:4700:3037::/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
IPv4 hints104.21.22.172, 172.67.205.243
IPv6 hints2606:4700:3033::6815:16ac, 2606:4700:3037::ac43:cdf3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=127, name=cloudflare-ech.com
SOAelias.ns.cloudflare.comdns@cloudflare.com serial=2406455495

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=1783840982
WOT: UNKNOWN (37/100)

Previously MX for

tutorial4us.com

Same first word

tutorial4us.com

Similar names

tutorials4u.com

DNS History

17 records (6 active, 11 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.comA104.21.22.172172.67.205.2432606:4700:3033::6815:16ac2606:4700:3037::ac43:cdf3103.21.58.121156.224.181.42606:4700:3030::6815:16ac2606:4700:3030::ac43:cdf3
○NSa.share-dns.com2026-03-13 → 2026-03-13 · 4 obs
○ 2016-12-27 07:02:08
● 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
○ 2026-07-12 07:44:16
○NSa7.share-dns.com2026-03-13 → 2026-03-13 · 4 obs
○ 2016-12-27 07:02:08
● 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
○ 2026-07-12 07:44:16
○NSb.share-dns.net2026-03-13 → 2026-03-13 · 4 obs
○ 2016-12-27 07:02:08
● 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
○ 2026-07-12 07:44:16
○NSb7.share-dns.net2026-03-13 → 2026-03-13 · 4 obs
○ 2016-12-27 07:02:08
● 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
○ 2026-07-12 07:44:16
●NSelias.ns.cloudflare.com2026-03-25 → 2026-07-12 · 3 obs
○ 2026-03-13 09:38:44
● 2026-03-25 11:02:04
● 2026-07-12 07:44:16
●NSkristina.ns.cloudflare.com2026-03-25 → 2026-07-12 · 3 obs
○ 2026-03-13 09:38:44
● 2026-03-25 11:02:04
● 2026-07-12 07:44:16
○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
○ 2026-07-12 07:44:16
○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
○ 2026-07-12 07:44:16
○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
○ 2026-07-12 07:44:16
○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
○ 2026-07-12 07:44:16
●A104.21.22.1722026-03-25 → 2026-07-12 · 3 obs
○ 2026-03-13 09:38:44
● 2026-03-25 11:02:04
● 2026-07-12 07:44:16
○A156.224.181.42026-03-13 → 2026-03-13 · 4 obs
○ 2016-12-27 07:02:08
● 2026-03-13 09:38:44
○ 2026-03-25 11:02:04
○ 2026-07-12 07:44:16
●A172.67.205.2432026-03-25 → 2026-07-12 · 3 obs
○ 2026-03-13 09:38:44
● 2026-03-25 11:02:04
● 2026-07-12 07:44:16
○A2606:4700:3030::6815:16ac2026-03-25 → 2026-05-30 · 4 obs
○ 2026-03-13 09:38:44
● 2026-03-25 11:02:04
● 2026-05-30 00:14:10
○ 2026-07-12 07:44:16
○A2606:4700:3030::ac43:cdf32026-03-25 → 2026-05-30 · 4 obs
○ 2026-03-13 09:38:44
● 2026-03-25 11:02:04
● 2026-05-30 00:14:10
○ 2026-07-12 07:44:16
●A2606:4700:3033::6815:16ac2026-07-12 → 2026-07-12 · 2 obs
○ 2026-05-30 00:14:10
● 2026-07-12 07:44:16
●A2606:4700:3037::ac43:cdf32026-07-12 → 2026-07-12 · 2 obs
○ 2026-05-30 00:14:10
● 2026-07-12 07:44:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 142ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.22.172, 172.67.205.243
AAAA22606:4700:3033::6815:16ac, 2606:4700:3037::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 has four IP addresses: 104.21.22.172, 172.67.205.243, 2606:4700:3033::6815:16ac and 2606:4700:3037::ac43:cdf3.

Among the host names that share IP numbers with tutorial4us.com are pc.axeldeal.com, cjxclkj.com, ufo777.cloud and two others.

Name Servers

The NS records for tutorial4us.com delegate to elias.ns.cloudflare.com and kristina.ns.cloudflare.com.

tutorial4us.com has the same name server delegation as a number of other domains, such as xinchenglvshi.com, gamesunite.net, qdchike.com and two more.

tutorial4us.com has at least partial name server overlap with other domains, such as quadmotocentrum.sk, mail-reuter.de, shubaoc.com and two others.

It is common to find these name servers paired with the name servers oswald.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

elias.ns.cloudflare.com maps to 108.162.195.29, 162.159.44.29, 172.64.35.29 and 3 additional IP addresses.

kristina.ns.cloudflare.com maps to 108.162.194.125, 162.159.38.125, 172.64.34.125 and 3 additional IP addresses.