`install-coefficient.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:8581^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:df0^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.240^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.129^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`algin.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`algin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`algin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`algin.ns.cloudflare.com`
		A	108.162.193.61^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`algin.ns.cloudflare.com`
		A	172.64.33.61^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`algin.ns.cloudflare.com`
		A	173.245.59.61^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`algin.ns.cloudflare.com`
NS	`rosemary.ns.cloudflare.com`
		A	2606:4700:50::a29f:264d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosemary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosemary.ns.cloudflare.com`
		A	108.162.194.77^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	162.159.38.77^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	172.64.34.77^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
MX	`installcoefficient-net01i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::b^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f913::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr05cu00101.inbound.protection.outlook.com`
		A	52.101.40.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr03cu00106.inbound.protection.outlook.com`
		A	52.101.41.58^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr02cu00102.inbound.protection.outlook.com`
		A	52.101.41.180^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	52.101.50.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00404.inbound.protection.outlook.com`
TXT	`MS=ms67681030`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.240, 172.67.133.129
		IPv6 hints	2606:4700:3031::ac43:8581, 2606:4700:3035::6815:df0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=76, name=cloudflare-ech.com
SOA	`algin.ns.cloudflare.com`dns@cloudflare.com serial=2407239870

`net`

	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=1784139602

Same first word

install-coefficient.net

DNS History

13 records (7 active, 6 former)

●NSalgin.ns.cloudflare.com2026-04-20 → 2026-07-15 · 2 obs

● 2026-04-20 04:43:06
● 2026-07-15 18:43:24

●NSrosemary.ns.cloudflare.com2026-04-20 → 2026-07-15 · 2 obs

● 2026-04-20 04:43:06
● 2026-07-15 18:43:24

●MXinstallcoefficient-net01i.mail.protection.outlook.com2026-04-20 → 2026-07-15 · 2 obs

● 2026-04-20 04:43:06
● 2026-07-15 18:43:24

●A104.21.13.2402026-04-20 → 2026-07-15 · 4 obs

● 2026-04-20 04:43:06
○ 2026-06-21 19:03:52
● 2026-06-23 18:56:58
● 2026-07-15 18:43:24

●A172.67.133.1292026-04-20 → 2026-07-15 · 4 obs

● 2026-04-20 04:43:06
○ 2026-06-21 19:03:52
● 2026-06-23 18:56:58
● 2026-07-15 18:43:24

○A188.114.96.02026-06-21 → 2026-06-21 · 4 obs

○ 2026-04-20 04:43:06
● 2026-06-21 19:03:52
○ 2026-06-23 18:56:58
○ 2026-07-15 18:43:24

○A188.114.97.02026-06-21 → 2026-06-21 · 4 obs

○ 2026-04-20 04:43:06
● 2026-06-21 19:03:52
○ 2026-06-23 18:56:58
○ 2026-07-15 18:43:24

●A2606:4700:3031::ac43:85812026-07-01 → 2026-07-15 · 3 obs

○ 2026-06-23 18:56:58
● 2026-07-01 18:11:06
● 2026-07-15 18:43:24

○A2606:4700:3034::6815:df02026-04-20 → 2026-06-23 · 5 obs

● 2026-04-20 04:43:06
○ 2026-06-21 19:03:52
● 2026-06-23 18:56:58
○ 2026-07-01 18:11:06
○ 2026-07-15 18:43:24

●A2606:4700:3035::6815:df02026-07-01 → 2026-07-15 · 3 obs

○ 2026-06-23 18:56:58
● 2026-07-01 18:11:06
● 2026-07-15 18:43:24

○A2606:4700:3035::ac43:85812026-04-20 → 2026-06-23 · 5 obs

● 2026-04-20 04:43:06
○ 2026-06-21 19:03:52
● 2026-06-23 18:56:58
○ 2026-07-01 18:11:06
○ 2026-07-15 18:43:24

○A2a06:98c1:3120::2026-06-21 → 2026-06-21 · 4 obs

○ 2026-04-20 04:43:06
● 2026-06-21 19:03:52
○ 2026-06-23 18:56:58
○ 2026-07-15 18:43:24

○A2a06:98c1:3121::2026-06-21 → 2026-06-21 · 4 obs

○ 2026-04-20 04:43:06
● 2026-06-21 19:03:52
○ 2026-06-23 18:56:58
○ 2026-07-15 18:43:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
install-coefficient.net	algin.ns.cloudflare.com, rosemary.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.77

NS records: algin.ns.cloudflare.com, rosemary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for install-coefficient.net (unsigned zone)

⏱️ Timing

Total: 368ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.129, 104.21.13.240`
AAAA	2	`2606:4700:3035::6815:df0, 2606:4700:3031::ac43:8581`
NS	2	`algin.ns.cloudflare.com, rosemary.ns.cloudflare.com`
MX	1	`installcoefficient-net01i.mail.protectio`
TXT	2	`MS=ms67681030, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`algin.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

install-coefficient.net has four IP addresses: 104.21.13.240, 172.67.133.129, 2606:4700:3031::ac43:8581 and 2606:4700:3035::6815:df0.

tangguo.de, sv.biz56.de, efa.kz plus two other host names have IP numbers in common with install-coefficient.net.

Name Servers

Two name servers handle the delegation for install-coefficient.net: algin.ns.cloudflare.com and rosemary.ns.cloudflare.com.

The name server configuration of install-coefficient.net is shared with other domains, for instance katyperrycn.net, chainlinklabs.online, coeff.com and two others.

install-coefficient.net has at least partial name server overlap with other domains, such as dirtracingseries.com, sixni.com, projectidscovery.io and two others.

It is common to see these name servers used together with name servers grace.ns.cloudflare.com and tess.ns.cloudflare.com.

Hosts with 6 IP addresses each:

algin.ns.cloudflare.com resolves to 108.162.193.61, 172.64.33.61 and 173.245.59.61 among others, with 3 other IP addresses in total.

rosemary.ns.cloudflare.com resolves to 108.162.194.77, 162.159.38.77 and 172.64.34.77 among others, with 3 other IP addresses in total.

Mail Servers

install-coefficient.net uses one mail server — installcoefficient-net01i.mail.protection.outlook.com.

installcoefficient-net01i.mail.protection.outlook.com has 8 IP addresses: 52.101.40.6, 52.101.41.58, 52.101.41.180 plus 5 more.

install-coefficient.net - robtex.com