🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`sysadminstuff.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:372f^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:9088^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.47^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.144.136^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`abby.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c064^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`abby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2064^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`abby.ns.cloudflare.com`
		A	108.162.192.100^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	172.64.32.100^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	173.245.58.100^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
NS	`alex.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c164^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2164^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alex.ns.cloudflare.com`
		A	108.162.193.100^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	172.64.33.100^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	173.245.59.100^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.47, 172.67.144.136
		IPv6 hints	2606:4700:3030::6815:372f, 2606:4700:3030::ac43:9088
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=103, name=cloudflare-ech.com
SOA	`abby.ns.cloudflare.com`dns@cloudflare.com serial=2415052167

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐ ⚠️ Not in parent delegation
	NS	`b.gtld-servers.net` ⚠️ Not in parent delegation
	NS	`c.gtld-servers.net` ⚠️ Not in parent delegation
	NS	`d.gtld-servers.net` ⚠️ Not in parent delegation
	NS	`e.gtld-servers.net` ⚠️ Not in parent delegation
	NS	`f.gtld-servers.net` ⚠️ Not in parent delegation
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net` ⚠️ Not in parent delegation
	NS	`i.gtld-servers.net` ⚠️ Not in parent delegation
	NS	`j.gtld-servers.net` ⚠️ Not in parent delegation
	NS	`k.gtld-servers.net` ⚠️ Not in parent delegation
	NS	`l.gtld-servers.net` ⚠️ Not in parent delegation
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1790645939

Same first word

sysadminstuff.pages.dev

sysadminstuff.net

Previous names

Next names

DNS History

11 records (6 active, 5 former)

●NSabby.ns.cloudflare.com2026-08-21 → 2026-09-29 · 3 obs

○ 2020-02-01 21:32:08
● 2026-08-21 00:54:02
● 2026-09-29 01:42:30

●NSalex.ns.cloudflare.com2026-08-21 → 2026-09-29 · 3 obs

○ 2020-02-01 21:32:08
● 2026-08-21 00:54:02
● 2026-09-29 01:42:30

○NSdns1.registrar-servers.com2017-03-18 → 2020-02-01 · 4 obs

● 2017-03-18 05:36:16
● 2020-02-01 21:32:08
○ 2026-08-21 00:54:02
○ 2026-09-29 01:42:30

○NSdns2.registrar-servers.com2017-03-18 → 2020-02-01 · 4 obs

● 2017-03-18 05:36:16
● 2020-02-01 21:32:08
○ 2026-08-21 00:54:02
○ 2026-09-29 01:42:30

○MXmx1.privateemail.com2017-03-18 → 2020-02-01 · 4 obs

● 2017-03-18 05:36:16
● 2020-02-01 21:32:08
○ 2026-08-21 00:54:02
○ 2026-09-29 01:42:30

○MXmx2.privateemail.com2017-03-18 → 2020-02-01 · 4 obs

● 2017-03-18 05:36:16
● 2020-02-01 21:32:08
○ 2026-08-21 00:54:02
○ 2026-09-29 01:42:30

●A104.21.55.472026-08-21 → 2026-09-29 · 3 obs

○ 2020-02-01 21:32:08
● 2026-08-21 00:54:02
● 2026-09-29 01:42:30

●A172.67.144.1362026-08-21 → 2026-09-29 · 3 obs

○ 2020-02-01 21:32:08
● 2026-08-21 00:54:02
● 2026-09-29 01:42:30

○A192.64.119.362017-03-18 → 2020-02-01 · 4 obs

● 2017-03-18 05:36:16
● 2020-02-01 21:32:08
○ 2026-08-21 00:54:02
○ 2026-09-29 01:42:30

●A2606:4700:3030::6815:372f2026-08-21 → 2026-09-29 · 3 obs

○ 2020-02-01 21:32:08
● 2026-08-21 00:54:02
● 2026-09-29 01:42:30

●A2606:4700:3030::ac43:90882026-08-21 → 2026-09-29 · 3 obs

○ 2020-02-01 21:32:08
● 2026-08-21 00:54:02
● 2026-09-29 01:42:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	g.gtld-servers.net, m.gtld-servers.net	-
sysadminstuff.net	abby.ns.cloudflare.com, alex.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.100

NS records: abby.ns.cloudflare.com, alex.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysadminstuff.net (unsigned zone)

⏱️ Timing

Total: 851ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.144.136, 104.21.55.47`
AAAA	2	`2606:4700:3030::ac43:9088, 2606:4700:3030::6815:372f`
NS	2	`abby.ns.cloudflare.com, alex.ns.cloudflare.com`
TXT	1	`v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`abby.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

sysadminstuff.net directs to four IP numbers, which are 104.21.55.47, 172.67.144.136, 2606:4700:3030::6815:372f and 2606:4700:3030::ac43:9088.

Additional host names — (0x736578)ylove.club, avaccineforall.org, weassistlocalschoolnetworklift.com and two others — share IP numbers with sysadminstuff.net.

Name Servers

sysadminstuff.net uses two name servers for its delegation: abby.ns.cloudflare.com and alex.ns.cloudflare.com.

sysadminstuff.net shares its name server setup with other domains, including openrangegear.com, bestretailpicks.com, shorelineintl.com and two others.

At least some of sysadminstuff.net's name servers are shared with other domains, for example cloudiqhub.digital, net-maaz.workers.dev, lafurniture.com and two more.

These name servers are often deployed together with the name servers lloyd.ns.cloudflare.com, ajay.ns.cloudflare.com, sergi.ns.cloudflare.com and ullis.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname abby.ns.cloudflare.com directs to 108.162.192.100, 172.64.32.100 and 173.245.58.100 along with 3 other IP addresses.

Hostname alex.ns.cloudflare.com directs to 108.162.193.100, 172.64.33.100 and 173.245.59.100 along with 3 other IP addresses.

sysadminstuff.net - robtex.com