`sxrfwedu.com`

DNSSEC	⚠️ Not signed
NS	`alexis.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3c^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c13c^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:213c^{Cloudflare2a06:98c1:50::/45}
		A	108.162.193.60^{Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.60^{Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.60^{Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`miki.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aca^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c0ca^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:20ca^{Cloudflare2a06:98c1:50::/45}
		A	108.162.192.202^{Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.202^{Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.202^{Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`alexis.ns.cloudflare.com`dns@cloudflare.com serial=2409045626

`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=1784472682

Subdomains

www.sxrfwedu.com

Same first word

sxrfwedu.com

DNS History

4 records (2 active, 2 former)

●NSalexis.ns.cloudflare.com2026-05-29 → 2026-07-19 · 3 obs

○ 2020-02-20 12:20:28
● 2026-05-29 03:43:26
● 2026-07-19 14:52:18

○NSdns29.hichina.com2020-02-20 → 2020-02-20 · 3 obs

● 2020-02-20 12:20:28
○ 2026-05-29 03:43:26
○ 2026-07-19 14:52:18

○NSdns30.hichina.com2020-02-20 → 2020-02-20 · 3 obs

● 2020-02-20 12:20:28
○ 2026-05-29 03:43:26
○ 2026-07-19 14:52:18

●NSmiki.ns.cloudflare.com2026-05-29 → 2026-07-19 · 3 obs

○ 2020-02-20 12:20:28
● 2026-05-29 03:43:26
● 2026-07-19 14:52:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sxrfwedu.com	alexis.ns.cloudflare.com, miki.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.202

NS records: alexis.ns.cloudflare.com, miki.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 5000ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`alexis.ns.cloudflare.com, miki.ns.cloudflare.com`
SOA	1	`alexis.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain www.sxrfwedu.com falls under the parent sxrfwedu.com.

Name Servers

sxrfwedu.com is delegated to two name servers: alexis.ns.cloudflare.com and miki.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

alexis.ns.cloudflare.com resolves to 108.162.193.60, 172.64.33.60, 173.245.59.60 and 3 other IP addresses.

miki.ns.cloudflare.com resolves to 108.162.192.202, 172.64.32.202, 173.245.58.202 and 3 other IP addresses.

sxrfwedu.com - robtex.com

sxrfwedu.com

com