coding4u.tech - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`coding4u.tech`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:274^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8122^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.2.116^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.129.34^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coco.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coco.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c068^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coco.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2068^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coco.ns.cloudflare.com`
		A	108.162.192.104^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coco.ns.cloudflare.com`
		A	172.64.32.104^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coco.ns.cloudflare.com`
		A	173.245.58.104^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coco.ns.cloudflare.com`
NS	`jack.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c179^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jack.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2179^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jack.ns.cloudflare.com`
		A	108.162.193.121^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	172.64.33.121^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	173.245.59.121^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`v=spf1 include:mailgun.org include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.2.116, 172.67.129.34
		IPv6 hints	2606:4700:3033::6815:274, 2606:4700:3037::ac43:8122
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=164, name=cloudflare-ech.com
SOA	`coco.ns.cloudflare.com`dns@cloudflare.com serial=2413895567

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1788430141

Same first word

coding4u.co

coding4u.tech

coding4u.at

coding4u.shop

coding4u.xyz

coding4u.com.br

coding4u.com

Similar names

4ucoding.com

Previous names

Next names

DNS History

15 records (11 active, 4 former)

●NScoco.ns.cloudflare.com2026-09-01 → 2026-09-03 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-03 10:13:42

●NSjack.ns.cloudflare.com2026-09-01 → 2026-09-03 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-03 10:13:42

●MXalt1.aspmx.l.google.com2026-09-01 → 2026-09-03 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-03 10:13:42

●MXalt2.aspmx.l.google.com2026-09-01 → 2026-09-03 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-03 10:13:42

●MXalt3.aspmx.l.google.com2026-09-01 → 2026-09-03 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-03 10:13:42

●MXalt4.aspmx.l.google.com2026-09-01 → 2026-09-03 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-03 10:13:42

●MXaspmx.l.google.com2026-09-01 → 2026-09-03 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-03 10:13:42

●A104.21.2.1162026-09-01 → 2026-09-03 · 3 obs

○ 2026-09-01 11:04:04
● 2026-09-01 17:43:20
● 2026-09-03 10:13:42

●A172.67.129.342026-09-01 → 2026-09-03 · 3 obs

○ 2026-09-01 11:04:04
● 2026-09-01 17:43:20
● 2026-09-03 10:13:42

○A188.114.96.02026-09-01 → 2026-09-01 · 3 obs

● 2026-09-01 11:04:04
○ 2026-09-01 17:43:20
○ 2026-09-03 10:13:42

○A188.114.97.02026-09-01 → 2026-09-01 · 3 obs

● 2026-09-01 11:04:04
○ 2026-09-01 17:43:20
○ 2026-09-03 10:13:42

●A2606:4700:3033::6815:2742026-09-01 → 2026-09-03 · 3 obs

○ 2026-09-01 11:04:04
● 2026-09-01 17:43:20
● 2026-09-03 10:13:42

●A2606:4700:3037::ac43:81222026-09-01 → 2026-09-03 · 3 obs

○ 2026-09-01 11:04:04
● 2026-09-01 17:43:20
● 2026-09-03 10:13:42

○A2a06:98c1:3120::2026-09-01 → 2026-09-01 · 3 obs

● 2026-09-01 11:04:04
○ 2026-09-01 17:43:20
○ 2026-09-03 10:13:42

○A2a06:98c1:3121::2026-09-01 → 2026-09-01 · 3 obs

● 2026-09-01 11:04:04
○ 2026-09-01 17:43:20
○ 2026-09-03 10:13:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns10.trs-dns.org, ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.info	-
coding4u.tech	jack.ns.cloudflare.com, coco.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.104

NS records: jack.ns.cloudflare.com, coco.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coding4u.tech (unsigned zone)

⏱️ Timing

Total: 249ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.2.116, 172.67.129.34`
AAAA	2	`2606:4700:3033::6815:274, 2606:4700:3037::ac43:8122`
NS	2	`coco.ns.cloudflare.com, jack.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`v=spf1 include:mailgun.org include:_spf.`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coco.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

coding4u.tech resolves to four IP addresses: 104.21.2.116, 172.67.129.34, 2606:4700:3033::6815:274 and 2606:4700:3037::ac43:8122.

www.twf.gr, khairulazam.net, codysehl.net and two other host names share IP numbers with coding4u.tech.

Name Servers

Two name servers handle the delegation for coding4u.tech: coco.ns.cloudflare.com and jack.ns.cloudflare.com.

coding4u.tech uses the same name servers as several other domains — among them wideopenadspecs.com, nasboksen.workers.dev, whoof.me and two more.

coding4u.tech has at least partial name server overlap with other domains, such as 225dx.com, pr-infogerance.biz, 86226app.net and two others.

It is common to see these name servers used together with name servers elijah.ns.cloudflare.com and ernest.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

coco.ns.cloudflare.com resolves to 108.162.192.104, 172.64.32.104 and 173.245.58.104 among others, with 3 other IP addresses in total.

jack.ns.cloudflare.com resolves to 108.162.193.121, 172.64.33.121 and 173.245.59.121 among others, with 3 other IP addresses in total.

Mail Servers

coding4u.tech is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

coding4u.tech has at least partial mail server overlap with other domains such as goodprint.com, mergebasesales.org, gardenup.in and two more.

These mail servers commonly appear together with alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and two other mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to two addresses: 142.250.31.27 and 2607:f8b0:4004:c08::1b.

alt1.aspmx.l.google.com resolves to two addresses: 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.