`systemisbusy.info`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:29c2^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a6d4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.194^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.212^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coby.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coby.ns.cloudflare.com`
		A	108.162.193.92^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	172.64.33.92^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	173.245.59.92^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
NS	`sue.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a91^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c091^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sue.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2091^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sue.ns.cloudflare.com`
		A	108.162.192.145^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	172.64.32.145^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	173.245.58.145^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.41.194, 172.67.166.212
		IPv6	2606:4700:3034::6815:29c2, 2606:4700:3034::ac43:a6d4
SOA	`coby.ns.cloudflare.com`dns@cloudflare.com serial=2399331837

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1774419379

🔒 HSTS Preload (+subdomains)

Same first word

systemisbusy.info

DNS History

11 records (11 active, 0 former)

●NScoby.ns.cloudflare.com2026-02-17 → 2026-03-25 · 2 obs

● 2026-02-17 10:42:02
● 2026-03-25 06:57:22

●NSsue.ns.cloudflare.com2026-02-17 → 2026-03-25 · 2 obs

● 2026-02-17 10:42:02
● 2026-03-25 06:57:22

●MXeforward1.registrar-servers.com2026-02-17 → 2026-03-25 · 2 obs

● 2026-02-17 10:42:02
● 2026-03-25 06:57:22

●MXeforward2.registrar-servers.com2026-02-17 → 2026-03-25 · 2 obs

● 2026-02-17 10:42:02
● 2026-03-25 06:57:22

●MXeforward3.registrar-servers.com2026-02-17 → 2026-03-25 · 2 obs

● 2026-02-17 10:42:02
● 2026-03-25 06:57:22

●MXeforward4.registrar-servers.com2026-02-17 → 2026-03-25 · 2 obs

● 2026-02-17 10:42:02
● 2026-03-25 06:57:22

●MXeforward5.registrar-servers.com2026-02-17 → 2026-03-25 · 2 obs

● 2026-02-17 10:42:02
● 2026-03-25 06:57:22

●A104.21.41.1942026-02-17 → 2026-03-25 · 2 obs

● 2026-02-17 10:42:02
● 2026-03-25 06:57:22

●A172.67.166.2122026-02-17 → 2026-03-25 · 2 obs

● 2026-02-17 10:42:02
● 2026-03-25 06:57:22

●A2606:4700:3034::6815:29c22026-02-17 → 2026-03-25 · 2 obs

● 2026-02-17 10:42:02
● 2026-03-25 06:57:22

●A2606:4700:3034::ac43:a6d42026-02-17 → 2026-03-25 · 2 obs

● 2026-02-17 10:42:02
● 2026-03-25 06:57:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	c0.info.afilias-nst.info, a0.info.afilias-nst.info, a2.info.afilias-nst.info	-
systemisbusy.info	coby.ns.cloudflare.com, sue.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.92

NS records: coby.ns.cloudflare.com, sue.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemisbusy.info (unsigned zone)

⏱️ Timing

Total: 469ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.41.194, 172.67.166.212`
AAAA	2	`2606:4700:3034::ac43:a6d4, 2606:4700:3034::6815:29c2`
NS	2	`coby.ns.cloudflare.com, sue.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coby.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

Four IP numbers are pointed to by systemisbusy.info: 2606:4700:3034::6815:29c2, 2606:4700:3034::ac43:a6d4, 104.21.41.194 and 172.67.166.212.

other host names including noop.style, betssoncasinofr.com, mail.e-haldex.net, hireyubo.com and dr-plastic.co.il share IP numbers with systemisbusy.info.

Name Servers

systemisbusy.info is delegated to two name servers coby.ns.cloudflare.com and sue.ns.cloudflare.com.

systemisbusy.info shares the same name server setup as other domains, for instance inoxbim.com, mymakerbot.com, atc96rf.com, galleryrecipes.com and agripure.com.

systemisbusy.info at least partially shares name servers with other domains, for instance indiepixels.com, kapur-assoc.com, bona.co.za, bestial(0x706f726e).com and metropole.org.uk.

these name servers are commonly used alongside nile.ns.cloudflare.com.

Host names with six IP numbers:

Host name coby.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5c, 2803:f800:50::6ca2:c15c, 2a06:98c1:50::ac40:215c, 108.162.193.92, 172.64.33.92 and 173.245.59.92.

Host name sue.ns.cloudflare.com points to: 2606:4700:50::adf5:3a91, 2803:f800:50::6ca2:c091, 2a06:98c1:50::ac40:2091, 108.162.192.145, 172.64.32.145 and 173.245.58.145.

Mail Servers

systemisbusy.info is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.

systemisbusy.info shares some mail servers with other domains, at least partially, for instance cambridgeenglishhub.blog, mawin36u.com, 190ujsja12.site, nobaggagefees.com and dogparktips.com.

These mail servers are commonly used alongside eforward6.registrar-servers.com and eforward7.registrar-servers.com.

Host names with a single IP

eforward1.registrar-servers.com points to: 162.255.118.51

eforward2.registrar-servers.com points to: 162.255.118.52

eforward3.registrar-servers.com points to: 162.255.118.51

eforward4.registrar-servers.com points to: 162.255.118.52

eforward5.registrar-servers.com points to: 162.255.118.51

Host names that point to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com

Host names that point to 162.255.118.52: eforward2.registrar-servers.com and eforward4.registrar-servers.com

systemisbusy.info - robtex.com