4programmers.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`4programmers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:ffb^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:a59b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.251^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.165.155^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jean.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c079^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2079^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jean.ns.cloudflare.com`
		A	108.162.192.121^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	172.64.32.121^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	173.245.58.121^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
NS	`ken.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ken.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ken.ns.cloudflare.com`
		A	108.162.193.127^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	172.64.33.127^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	173.245.59.127^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
MX	`mx0.mail.ovh.net` ⭐
		A	178.33.252.245^{🇫🇷 OVH178.32.0.0/15 ISP Paris, France}
			PTR	`mx0.mail.ovh.net`
MX	`mx1.mail.ovh.net`⁽⁵⁾
		A	188.165.36.237^{🇫🇷 OVH188.165.0.0/16 ISP Paris, France}
			PTR	`mx1.mail.ovh.net`
MX	`mx2.mail.ovh.net`⁽⁵⁰⁾
		A	87.98.160.167^{🇫🇷 OVH87.98.128.0/17 ISP Paris, France}
			PTR	`mx2.mail.ovh.net`
MX	`mx3.mail.ovh.net`⁽¹⁰⁰⁾
		A	91.121.53.175^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
			PTR	`mx3.mail.ovh.net`
TXT	`1\|www.4programmers.dev`
TXT	`v=spf1 include:mx.ovh.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.251, 172.67.165.155
		IPv6 hints	2606:4700:3031::6815:ffb, 2606:4700:3031::ac43:a59b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com
SOA	`jean.ns.cloudflare.com`dns@cloudflare.com serial=2416477504

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

4programmers.dev

4programmers.io

4programmers.net

4programmers.pl

4programmers.com

Previous names

4ort.dev

4orward.dev

4os.dev

4panel.dev

4pass.dev

4paws.dev

4peiron.dev

4percent.dev

4pet.dev

4pi.dev

4pinoy.dev

4pixelstudio.dev

4pl.dev

4play.dev

4ply.dev

4pm.dev

4pmts.dev

4po.dev

4pp.dev

4pplecore.dev

Next names

4psa.dev

4psficient.dev

4pto.dev

4r335h.dev

4r4.dev

4r7a.dev

4r7un.dev

4rabet.dev

4rabets.dev

4ray.dev

4rb.dev

4rch.dev

4rcosine.dev

4rd.dev

4real.dev

4redbuttons.dev

4regab.dev

4rent.dev

4review.dev

DNS History

10 records (10 active, 0 former)

●NSjean.ns.cloudflare.com2026-09-17 → 2026-10-28 · 2 obs

● 2026-09-17 15:39:52
● 2026-10-28 13:30:54

●NSken.ns.cloudflare.com2026-09-17 → 2026-10-28 · 2 obs

● 2026-09-17 15:39:52
● 2026-10-28 13:30:54

●MXmx0.mail.ovh.net2026-09-17 → 2026-10-28 · 2 obs

● 2026-09-17 15:39:52
● 2026-10-28 13:30:54

●MXmx1.mail.ovh.net2026-09-17 → 2026-10-28 · 2 obs

● 2026-09-17 15:39:52
● 2026-10-28 13:30:54

●MXmx2.mail.ovh.net2026-09-17 → 2026-10-28 · 2 obs

● 2026-09-17 15:39:52
● 2026-10-28 13:30:54

●MXmx3.mail.ovh.net2026-09-17 → 2026-10-28 · 2 obs

● 2026-09-17 15:39:52
● 2026-10-28 13:30:54

●A104.21.15.2512026-09-17 → 2026-10-28 · 2 obs

● 2026-09-17 15:39:52
● 2026-10-28 13:30:54

●A172.67.165.1552026-09-17 → 2026-10-28 · 2 obs

● 2026-09-17 15:39:52
● 2026-10-28 13:30:54

●A2606:4700:3031::6815:ffb2026-09-17 → 2026-10-28 · 2 obs

● 2026-09-17 15:39:52
● 2026-10-28 13:30:54

●A2606:4700:3031::ac43:a59b2026-09-17 → 2026-10-28 · 2 obs

● 2026-09-17 15:39:52
● 2026-10-28 13:30:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
4programmers.dev	ken.ns.cloudflare.com, jean.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.127

NS records: ken.ns.cloudflare.com, jean.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4programmers.dev (unsigned zone)

⏱️ Timing

Total: 988ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.165.155, 104.21.15.251`
AAAA	2	`2606:4700:3031::6815:ffb, 2606:4700:3031::ac43:a59b`
NS	2	`jean.ns.cloudflare.com, ken.ns.cloudflare.com`
MX	4	`mx0.mail.ovh.net (pri: 1), mx3.mail.ovh.net (pri: 100)...`
TXT	2	`1\|www.4programmers.dev, v=spf1 include:mx.ovh.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jean.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

4programmers.dev resolves to four IP addresses: 104.21.15.251, 172.67.165.155, 2606:4700:3031::6815:ffb and 2606:4700:3031::ac43:a59b.

Among the host names that share IP numbers with 4programmers.dev are akntpc.co.pl, pagepop.shop, flu-project.com and two others.

Name Servers

Two name servers handle the delegation for 4programmers.dev: jean.ns.cloudflare.com and ken.ns.cloudflare.com.

4programmers.dev has the same name server delegation as a number of other domains, such as site-selftalk.pages.dev, haitianpie18edouebouzenokap.pages.dev, nova-b4bc02.workers.dev and two more.

4programmers.dev has at least partial name server overlap with other domains, such as meshedflow.org, kjhg.one, mp4rkq2x.workers.dev and two others.

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

Host names resolving to 6 IP numbers:

jean.ns.cloudflare.com resolves to 108.162.192.121, 172.64.32.121 and 173.245.58.121 among others, with 3 other IP addresses in total.

ken.ns.cloudflare.com resolves to 108.162.193.127, 172.64.33.127 and 173.245.59.127 among others, with 3 other IP addresses in total.

Mail Servers

4programmers.dev has four mail servers: mx0.mail.ovh.net, mx1.mail.ovh.net, mx2.mail.ovh.net and mx3.mail.ovh.net.

4programmers.dev shares at least some of its mail servers with other domains — for example achetezalafleche.fr, mefl.fr, pileounous.fr and two more.

It is common to find these mail servers paired with the mail servers mx4.mail.ovh.net.

mx0.mail.ovh.net resolves to 178.33.252.245. mx1.mail.ovh.net resolves to 188.165.36.237. mx2.mail.ovh.net resolves to 87.98.160.167. mx3.mail.ovh.net resolves to 91.121.53.175. All four hosts carry exactly one IP address.