🛡️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:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 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::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.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=23, 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=1788746942

Same first word

coding4u.co

coding4u.tech

coding4u.at

coding4u.shop

coding4u.xyz

coding4u.site

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 → 2026-09-07 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-07 02:15:44

●NSjack.ns.cloudflare.com2026-09-01 → 2026-09-07 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-07 02:15:44

●MXalt1.aspmx.l.google.com2026-09-01 → 2026-09-07 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-07 02:15:44

●MXalt2.aspmx.l.google.com2026-09-01 → 2026-09-07 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-07 02:15:44

●MXalt3.aspmx.l.google.com2026-09-01 → 2026-09-07 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-07 02:15:44

●MXalt4.aspmx.l.google.com2026-09-01 → 2026-09-07 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-07 02:15:44

●MXaspmx.l.google.com2026-09-01 → 2026-09-07 · 2 obs

● 2026-09-01 11:04:04
● 2026-09-07 02:15:44

●A104.21.2.1162026-09-01 → 2026-09-07 · 3 obs

○ 2026-09-01 11:04:04
● 2026-09-01 17:43:20
● 2026-09-07 02:15:44

●A172.67.129.342026-09-01 → 2026-09-07 · 3 obs

○ 2026-09-01 11:04:04
● 2026-09-01 17:43:20
● 2026-09-07 02:15:44

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

● 2026-09-01 11:04:04
○ 2026-09-01 17:43:20
○ 2026-09-07 02:15:44

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

● 2026-09-01 11:04:04
○ 2026-09-01 17:43:20
○ 2026-09-07 02:15:44

●A2606:4700:3033::6815:2742026-09-01 → 2026-09-07 · 3 obs

○ 2026-09-01 11:04:04
● 2026-09-01 17:43:20
● 2026-09-07 02:15:44

●A2606:4700:3037::ac43:81222026-09-01 → 2026-09-07 · 3 obs

○ 2026-09-01 11:04:04
● 2026-09-01 17:43:20
● 2026-09-07 02:15:44

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

● 2026-09-01 11:04:04
○ 2026-09-01 17:43:20
○ 2026-09-07 02:15:44

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

● 2026-09-01 11:04:04
○ 2026-09-01 17:43:20
○ 2026-09-07 02:15:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.net	8 records
coding4u.tech	coco.ns.cloudflare.com, jack.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.121

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coding4u.tech (unsigned zone)

⏱️ Timing

Total: 1070ms | 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`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns10.trs-dns.org...)

Analysis

IP Addresses

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

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

Name Servers

DNS delegation for coding4u.tech points to two name servers: coco.ns.cloudflare.com and jack.ns.cloudflare.com.

coding4u.tech shares its name server setup with other domains, including wideopenadspecs.com, nasboksen.workers.dev, whoof.me and two others.

coding4u.tech shares at least some of its name servers with other domains, including 225dx.com, pr-infogerance.biz, 86226app.net and two others.

These name servers are frequently seen alongside the name servers elijah.ns.cloudflare.com.

Host names with 6 IP numbers:

coco.ns.cloudflare.com has IP addresses 108.162.192.104, 172.64.32.104 and 173.245.58.104, plus 3 other.

jack.ns.cloudflare.com has IP addresses 108.162.193.121, 172.64.33.121 and 173.245.59.121, plus 3 other.

Mail Servers

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

coding4u.tech shares mail servers — at least in part — with other domains, including goodprint.com, mergebasesales.org, gardenup.in and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com has two IP addresses: 142.251.111.27 and 2607:f8b0:4004:c21::1a.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.26 and 2800:3f0:4003:c14::1b.

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

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1b.

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