🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`firstgrade.software`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:4950^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:bd17^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.80^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.189.23^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carrera.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26e7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carrera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carrera.ns.cloudflare.com`
		A	108.162.194.231^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
		A	162.159.38.231^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
		A	172.64.34.231^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
NS	`coleman.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c40^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coleman.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c340^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coleman.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2340^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coleman.ns.cloudflare.com`
		A	108.162.195.64^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coleman.ns.cloudflare.com`
		A	162.159.44.64^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coleman.ns.cloudflare.com`
		A	172.64.35.64^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coleman.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.80, 172.67.189.23
		IPv6 hints	2606:4700:3035::6815:4950, 2606:4700:3037::ac43:bd17
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=31, name=cloudflare-ech.com
SOA	`carrera.ns.cloudflare.com`dns@cloudflare.com serial=2415280476

`software`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.software` ⭐
	NS	`v0n1.nic.software`
	NS	`v0n2.nic.software`
	NS	`v0n3.nic.software`
	NS	`v2n0.nic.software`
	NS	`v2n1.nic.software`
	SOA	`v0n0.nic.software`hostmaster@donuts.email serial=1793643953

Same first word

Similar names

Previous names

Next names

DNS History

14 records (6 active, 8 former)

●NScarrera.ns.cloudflare.com2026-09-19 → 2026-11-02 · 2 obs

● 2026-09-19 12:28:20
● 2026-11-02 19:36:58

●NScoleman.ns.cloudflare.com2026-09-19 → 2026-11-02 · 2 obs

● 2026-09-19 12:28:20
● 2026-11-02 19:36:58

●A104.21.73.802026-09-19 → 2026-11-02 · 5 obs

○ 2026-09-19 12:28:20
● 2026-09-19 13:24:46
○ 2026-10-21 02:23:58
● 2026-10-23 02:31:16
● 2026-11-02 19:36:58

●A172.67.189.232026-09-19 → 2026-11-02 · 5 obs

○ 2026-09-19 12:28:20
● 2026-09-19 13:24:46
○ 2026-10-21 02:23:58
● 2026-10-23 02:31:16
● 2026-11-02 19:36:58

○A188.114.96.02026-10-21 → 2026-10-21 · 4 obs

○ 2026-09-19 13:24:46
● 2026-10-21 02:23:58
○ 2026-10-23 02:31:16
○ 2026-11-02 19:36:58

○A188.114.96.42026-09-19 → 2026-09-19 · 3 obs

● 2026-09-19 12:28:20
○ 2026-09-19 13:24:46
○ 2026-11-02 19:36:58

○A188.114.97.02026-10-21 → 2026-10-21 · 4 obs

○ 2026-09-19 13:24:46
● 2026-10-21 02:23:58
○ 2026-10-23 02:31:16
○ 2026-11-02 19:36:58

○A188.114.97.42026-09-19 → 2026-09-19 · 3 obs

● 2026-09-19 12:28:20
○ 2026-09-19 13:24:46
○ 2026-11-02 19:36:58

●A2606:4700:3035::6815:49502026-09-19 → 2026-11-02 · 5 obs

○ 2026-09-19 12:28:20
● 2026-09-19 13:24:46
○ 2026-10-21 02:23:58
● 2026-10-23 02:31:16
● 2026-11-02 19:36:58

●A2606:4700:3037::ac43:bd172026-09-19 → 2026-11-02 · 5 obs

○ 2026-09-19 12:28:20
● 2026-09-19 13:24:46
○ 2026-10-21 02:23:58
● 2026-10-23 02:31:16
● 2026-11-02 19:36:58

○A2a06:98c1:3120::2026-10-21 → 2026-10-21 · 4 obs

○ 2026-09-19 13:24:46
● 2026-10-21 02:23:58
○ 2026-10-23 02:31:16
○ 2026-11-02 19:36:58

○A2a06:98c1:3120::42026-09-19 → 2026-09-19 · 3 obs

● 2026-09-19 12:28:20
○ 2026-09-19 13:24:46
○ 2026-11-02 19:36:58

○A2a06:98c1:3121::2026-10-21 → 2026-10-21 · 4 obs

○ 2026-09-19 13:24:46
● 2026-10-21 02:23:58
○ 2026-10-23 02:31:16
○ 2026-11-02 19:36:58

○A2a06:98c1:3121::42026-09-19 → 2026-09-19 · 3 obs

● 2026-09-19 12:28:20
○ 2026-09-19 13:24:46
○ 2026-11-02 19:36:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
software	v2n1.nic.software, v0n0.nic.software, v0n1.nic.software, v0n2.nic.software...	12 records
firstgrade.software	carrera.ns.cloudflare.com, coleman.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.231

NS records: carrera.ns.cloudflare.com, coleman.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstgrade.software (unsigned zone)

⏱️ Timing

Total: 1843ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.73.80, 172.67.189.23`
AAAA	2	`2606:4700:3037::ac43:bd17, 2606:4700:3035::6815:4950`
NS	2	`carrera.ns.cloudflare.com, coleman.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carrera.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.software, v2n0.nic.software, v0n3.nic.software...)

Analysis

IP Addresses

firstgrade.software resolves to four IP addresses: 104.21.73.80, 172.67.189.23, 2606:4700:3035::6815:4950 and 2606:4700:3037::ac43:bd17.

Among the host names that share IP numbers with firstgrade.software are suhukijangwin.lat, kl4.club, iamgayatri.in and two others.

Name Servers

firstgrade.software is served by two delegated name servers, carrera.ns.cloudflare.com and coleman.ns.cloudflare.com.

firstgrade.software has the same name server delegation as a number of other domains, such as login.technology, martialarts.photos, classroom.software and two more.

firstgrade.software has at least partial name server overlap with other domains, such as hussainzahid20111.workers.dev, smart-irrigation-pwa.pages.dev, zhenyamarych.com and two others.

These name servers are routinely co-deployed with the name servers sofia.ns.cloudflare.com, felipe.ns.cloudflare.com, achiel.ns.cloudflare.com and two others.

Host names resolving to 6 IP numbers:

carrera.ns.cloudflare.com carries IP addresses 108.162.194.231, 162.159.38.231 and 172.64.34.231, with 3 other addresses beyond those.

coleman.ns.cloudflare.com carries IP addresses 108.162.195.64, 162.159.44.64 and 172.64.35.64, with 3 other addresses beyond those.

firstgrade.software - robtex.com