🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`developercertificates.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:af44^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:1f4a^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.31.74^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.68^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`courtney.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2682^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c282^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`courtney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2282^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`courtney.ns.cloudflare.com`
		A	108.162.194.130^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	162.159.38.130^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	172.64.34.130^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
NS	`darl.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c162^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2162^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darl.ns.cloudflare.com`
		A	108.162.193.98^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	172.64.33.98^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	173.245.59.98^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c06::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f26.1e100.net`
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
TXT	`google-site-verification=mmplFmFygdPOIsFvoTiCYLYOHLyNTVpcWpDSjdkfzBk`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.31.74, 172.67.175.68
		IPv6 hints	2606:4700:3033::ac43:af44, 2606:4700:3036::6815:1f4a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOA	`courtney.ns.cloudflare.com`dns@cloudflare.com serial=2413270734

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1788493025

Same first word

developercertificates.com

Previous names

Next names

DNS History

11 records (7 active, 4 former)

●NScourtney.ns.cloudflare.com2026-09-01 → 2026-09-04 · 2 obs

● 2026-09-01 07:51:52
● 2026-09-04 04:04:02

●NSdarl.ns.cloudflare.com2026-09-01 → 2026-09-04 · 2 obs

● 2026-09-01 07:51:52
● 2026-09-04 04:04:02

●MXsmtp.google.com2026-09-01 → 2026-09-04 · 2 obs

● 2026-09-01 07:51:52
● 2026-09-04 04:04:02

●A104.21.31.742026-09-01 → 2026-09-04 · 3 obs

○ 2026-09-01 07:51:52
● 2026-09-01 18:22:12
● 2026-09-04 04:04:02

●A172.67.175.682026-09-01 → 2026-09-04 · 3 obs

○ 2026-09-01 07:51:52
● 2026-09-01 18:22:12
● 2026-09-04 04:04:02

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

● 2026-09-01 07:51:52
○ 2026-09-01 18:22:12
○ 2026-09-04 04:04:02

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

● 2026-09-01 07:51:52
○ 2026-09-01 18:22:12
○ 2026-09-04 04:04:02

●A2606:4700:3033::ac43:af442026-09-01 → 2026-09-04 · 3 obs

○ 2026-09-01 07:51:52
● 2026-09-01 18:22:12
● 2026-09-04 04:04:02

●A2606:4700:3036::6815:1f4a2026-09-01 → 2026-09-04 · 3 obs

○ 2026-09-01 07:51:52
● 2026-09-01 18:22:12
● 2026-09-04 04:04:02

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

● 2026-09-01 07:51:52
○ 2026-09-01 18:22:12
○ 2026-09-04 04:04:02

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

● 2026-09-01 07:51:52
○ 2026-09-01 18:22:12
○ 2026-09-04 04:04:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...	-
developercertificates.com	darl.ns.cloudflare.com, courtney.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.130

NS records: darl.ns.cloudflare.com, courtney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developercertificates.com (unsigned zone)

⏱️ Timing

Total: 212ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.31.74, 172.67.175.68`
AAAA	2	`2606:4700:3036::6815:1f4a, 2606:4700:3033::ac43:af44`
NS	2	`courtney.ns.cloudflare.com, darl.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=mmplFmFygdPOIsF, v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`courtney.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

developercertificates.com points to the four IP addresses 104.21.31.74, 172.67.175.68, 2606:4700:3033::ac43:af44 and 2606:4700:3036::6815:1f4a.

Among the host names that share IP numbers with developercertificates.com are evoia.co, 51winlink51.com, 123yyg.com and two others.

Name Servers

developercertificates.com has two authoritative name servers — courtney.ns.cloudflare.com and darl.ns.cloudflare.com.

developercertificates.com has the same name server delegation as a number of other domains, such as top2010(0x706f726e)stars.pages.dev, aidd.io, nezyqwpwp.workers.dev and two more.

At least some of developercertificates.com's name servers are shared with other domains, for example kimkommenge.workers.dev, guest-house-gogemi.com.es, lautanplusplus.com and two more.

It is common for these name servers to be used in conjunction with the name servers rosa.ns.cloudflare.com, cloe.ns.cloudflare.com and isaac.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

courtney.ns.cloudflare.com points to 108.162.194.130, 162.159.38.130, 172.64.34.130 and 3 other IP addresses.

darl.ns.cloudflare.com points to 108.162.193.98, 172.64.33.98, 173.245.59.98 and 3 other IP addresses.

Mail Servers

developercertificates.com routes its mail through a single mail server, smtp.google.com.

developercertificates.com has the same mail server arrangement as a number of other domains, for example feverpitch.it, themyacemarketingyou.com, zeninbox.app and two more.

The mail servers of developercertificates.com overlap at least partially with those of other domains, including saddlecreekohio.com, brandrankos.com and axedigital.app.br.

smtp.google.com directs to 9 IP numbers, including 64.233.180.26, 64.233.180.27 and 172.253.62.27, along with 6 other.

developercertificates.com - robtex.com