🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`using.systems`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:40a2^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:98c3^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.162^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.195^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`barbara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`barbara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`barbara.ns.cloudflare.com`
		A	108.162.192.248^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	172.64.32.248^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	173.245.58.248^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
NS	`lars.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lars.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lars.ns.cloudflare.com`
		A	108.162.193.195^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
		A	172.64.33.195^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
		A	173.245.59.195^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.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:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-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`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
TXT	`MS=ms86983007`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.64.162, 172.67.152.195
		IPv6 hints	2606:4700:3036::6815:40a2, 2606:4700:3037::ac43:98c3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com
SOA	`barbara.ns.cloudflare.com`dns@cloudflare.com serial=2413168859

`systems`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.systems` ⭐
	NS	`v0n1.nic.systems`
	NS	`v0n2.nic.systems`
	NS	`v0n3.nic.systems`
	NS	`v2n0.nic.systems`
	NS	`v2n1.nic.systems`
	SOA	`v0n0.nic.systems`hostmaster@donuts.email serial=1788813927

Same first word

using.ru

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Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSbarbara.ns.cloudflare.com2026-09-07 → 2026-09-07 · 2 obs

● 2026-09-07 03:01:10
● 2026-09-07 21:03:32

●NSlars.ns.cloudflare.com2026-09-07 → 2026-09-07 · 2 obs

● 2026-09-07 03:01:10
● 2026-09-07 21:03:32

●MXsmtp.google.com2026-09-07 → 2026-09-07 · 2 obs

● 2026-09-07 03:01:10
● 2026-09-07 21:03:32

●A104.21.64.1622026-09-07 → 2026-09-07 · 2 obs

● 2026-09-07 03:01:10
● 2026-09-07 21:03:32

●A172.67.152.1952026-09-07 → 2026-09-07 · 2 obs

● 2026-09-07 03:01:10
● 2026-09-07 21:03:32

●A2606:4700:3036::6815:40a22026-09-07 → 2026-09-07 · 2 obs

● 2026-09-07 03:01:10
● 2026-09-07 21:03:32

●A2606:4700:3037::ac43:98c32026-09-07 → 2026-09-07 · 2 obs

● 2026-09-07 03:01:10
● 2026-09-07 21:03:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
systems	v0n1.nic.systems, v0n0.nic.systems, v0n3.nic.systems, v2n0.nic.systems...	-
using.systems	barbara.ns.cloudflare.com, lars.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.195

NS records: barbara.ns.cloudflare.com, lars.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for using.systems (unsigned zone)

⏱️ Timing

Total: 932ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.64.162, 172.67.152.195`
AAAA	2	`2606:4700:3036::6815:40a2, 2606:4700:3037::ac43:98c3`
NS	2	`barbara.ns.cloudflare.com, lars.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`MS=ms86983007, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`barbara.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

using.systems has four IP addresses: 104.21.64.162, 172.67.152.195, 2606:4700:3036::6815:40a2 and 2606:4700:3037::ac43:98c3.

Two other host names, along with nefarius.fatal.ru, www.femehot.fatal.ru and strongprimemen.com, also share IP numbers with using.systems.

Name Servers

using.systems is served by two delegated name servers, barbara.ns.cloudflare.com and lars.ns.cloudflare.com.

using.systems shares its NS records with other domains, for example holderland.pages.dev, fpxwtauy.workers.dev, cristian.party and two others.

using.systems has at least partial name server overlap with other domains, such as one-pot-curry-chicken-and-rice.pages.dev, maintpagetemplate.pages.dev, k244552134.workers.dev and two others.

These name servers tend to appear together with the name servers trevor.ns.cloudflare.com, rodney.ns.cloudflare.com and mark.ns.cloudflare.com.

DNS names with 6 IP addresses:

barbara.ns.cloudflare.com carries IP addresses 108.162.192.248, 172.64.32.248 and 173.245.58.248, with 3 other addresses beyond those.

lars.ns.cloudflare.com carries IP addresses 108.162.193.195, 172.64.33.195 and 173.245.59.195, with 3 other addresses beyond those.

Mail Servers

The sole mail server for using.systems is smtp.google.com.

Among the domains sharing a mail server setup with using.systems are openiconbaptist.au, eye-universe.co.jp, the11thhr.org and two others.

There is at least a partial MX overlap between using.systems and other domains, including automateahead.com, usciamobazaar.com, chooseyourparadise.vacations and two others.

With 9 IP addresses total, smtp.google.com resolves to 172.253.115.26, 172.253.115.27, 172.253.122.26 and 6 others.

using.systems - robtex.com

using.systems

systems

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`using.systems`

`systems`