🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`developer-first.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4371^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:dd9f^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.113^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.159^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gwen.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gwen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gwen.ns.cloudflare.com`
		A	108.162.192.160^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	172.64.32.160^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	173.245.58.160^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
NS	`rick.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rick.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rick.ns.cloudflare.com`
		A	108.162.193.139^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
		A	172.64.33.139^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
		A	173.245.59.139^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
MX	`mx.stackmail.com` ⭐
		A	185.151.28.67^{🇬🇧 TWENTYI185.151.28.0/24}
			PTR	`mx.stackmail.com`
TXT	`v=spf1 include:spf.stackmail.com a mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.113, 172.67.221.159
		IPv6 hints	2606:4700:3030::6815:4371, 2606:4700:3035::ac43:dd9f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=58, name=cloudflare-ech.com
SOA	`gwen.ns.cloudflare.com`dns@cloudflare.com serial=2414296241

`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=1789744598

Same first word

developer-first.com

Previous names

Next names

DNS History

11 records (7 active, 4 former)

●NSgwen.ns.cloudflare.com2026-09-12 → 2026-09-18 · 3 obs

○ 2019-12-17 15:40:58
● 2026-09-12 09:22:20
● 2026-09-18 15:39:06

○NSns15.domaincontrol.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 15:40:58
○ 2026-09-12 09:22:20
○ 2026-09-18 15:39:06

○NSns16.domaincontrol.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 15:40:58
○ 2026-09-12 09:22:20
○ 2026-09-18 15:39:06

●NSrick.ns.cloudflare.com2026-09-12 → 2026-09-18 · 3 obs

○ 2019-12-17 15:40:58
● 2026-09-12 09:22:20
● 2026-09-18 15:39:06

○MXdeveloperfirst-com02c.mail.protection.outlook.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 15:40:58
○ 2026-09-12 09:22:20
○ 2026-09-18 15:39:06

●MXmx.stackmail.com2026-09-12 → 2026-09-18 · 3 obs

○ 2019-12-17 15:40:58
● 2026-09-12 09:22:20
● 2026-09-18 15:39:06

●A104.21.67.1132026-09-12 → 2026-09-18 · 3 obs

○ 2019-12-17 15:40:58
● 2026-09-12 09:22:20
● 2026-09-18 15:39:06

●A172.67.221.1592026-09-12 → 2026-09-18 · 3 obs

○ 2019-12-17 15:40:58
● 2026-09-12 09:22:20
● 2026-09-18 15:39:06

○A23.236.62.1472019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 15:40:58
○ 2026-09-12 09:22:20
○ 2026-09-18 15:39:06

●A2606:4700:3030::6815:43712026-09-12 → 2026-09-18 · 3 obs

○ 2019-12-17 15:40:58
● 2026-09-12 09:22:20
● 2026-09-18 15:39:06

●A2606:4700:3035::ac43:dd9f2026-09-12 → 2026-09-18 · 3 obs

○ 2019-12-17 15:40:58
● 2026-09-12 09:22:20
● 2026-09-18 15:39:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net...	-
developer-first.com	rick.ns.cloudflare.com, gwen.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:172.64.32.160

NS records: rick.ns.cloudflare.com, gwen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developer-first.com (unsigned zone)

⏱️ Timing

Total: 1640ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.221.159, 104.21.67.113`
AAAA	2	`2606:4700:3030::6815:4371, 2606:4700:3035::ac43:dd9f`
NS	2	`gwen.ns.cloudflare.com, rick.ns.cloudflare.com`
MX	1	`mx.stackmail.com (pri: 10)`
TXT	1	`v=spf1 include:spf.stackmail.com a mx -a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gwen.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

developer-first.com resolves to four IP addresses: 104.21.67.113, 172.67.221.159, 2606:4700:3030::6815:4371 and 2606:4700:3035::ac43:dd9f.

corporate-logo-corporate-logo.com, aquasolutionsinc.net, antonius-bayle.org and two other host names share IP numbers with developer-first.com.

Name Servers

developer-first.com has two authoritative name servers — gwen.ns.cloudflare.com and rick.ns.cloudflare.com.

developer-first.com uses the same name servers as several other domains — among them darathaiflagstaff.com, hangiuniversite.com, hvacemergencyservice2.info and two more.

developer-first.com shares at least some of its name servers with other domains, including leadershipskillsclinic.digital, luna-shop.pages.dev, eng-tib.com and two others.

These name servers are frequently seen alongside the name servers theo.ns.cloudflare.com, kate.ns.cloudflare.com, camilo.ns.cloudflare.com and eleanor.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

gwen.ns.cloudflare.com points to 108.162.192.160, 172.64.32.160, 173.245.58.160 and 3 other IP addresses.

rick.ns.cloudflare.com points to 108.162.193.139, 172.64.33.139, 173.245.59.139 and 3 other IP addresses.

Mail Servers

Mail for developer-first.com is handled by a single mail server, mx.stackmail.com.

developer-first.com uses an identical mail server configuration to several other domains — among them healingsoulsfamily.org.zw, ecoverdevaleting.co.uk, garybunt.co.uk and two more.

mx.stackmail.com points to one IP number — 185.151.28.67.

developer-first.com - robtex.com