`lineardynamics.com`

DNSSEC	⚠️ Not signed
A	104.21.20.75^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.191.226^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`pam.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a8a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pam.ns.cloudflare.com`
		A	108.162.192.138^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
		A	172.64.32.138^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
		A	173.245.58.138^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
NS	`rajeev.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rajeev.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rajeev.ns.cloudflare.com`
		A	108.162.193.224^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	172.64.33.224^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	173.245.59.224^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
MX	`lineardynamics-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c942::^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::2^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00602.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
		A	52.101.190.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	52.101.190.3^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt6pr01cu00103.inbound.protection.outlook.com`
		A	52.101.192.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yqzpr01cu00900.inbound.protection.outlook.com`
		A	52.101.192.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
TXT	`MS=ms41292153`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.20.75, 172.67.191.226
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=113, name=cloudflare-ech.com
SOA	`pam.ns.cloudflare.com`dns@cloudflare.com serial=2410979118

`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=1785789502

Same first word

lineardynamics.com

DNS History

13 records (5 active, 8 former)

○NSns.buydomains.com2018-06-02 → 2018-06-02 · 4 obs

○ 2017-01-10 14:41:56
● 2018-06-02 16:48:48
○ 2026-07-01 20:32:56
○ 2026-08-03 20:58:52

○NSns1626.ztomy.com2015-06-29 → 2017-01-10 · 4 obs

● 2015-06-29 01:29:20
● 2017-01-10 14:41:56
○ 2018-06-02 16:48:48
○ 2026-08-03 20:58:52

○NSns2626.ztomy.com2015-06-29 → 2017-01-10 · 4 obs

● 2015-06-29 01:29:20
● 2017-01-10 14:41:56
○ 2018-06-02 16:48:48
○ 2026-08-03 20:58:52

●NSpam.ns.cloudflare.com2026-07-01 → 2026-08-03 · 3 obs

○ 2018-06-02 16:48:48
● 2026-07-01 20:32:56
● 2026-08-03 20:58:52

●NSrajeev.ns.cloudflare.com2026-07-01 → 2026-08-03 · 3 obs

○ 2018-06-02 16:48:48
● 2026-07-01 20:32:56
● 2026-08-03 20:58:52

●MXlineardynamics-com.mail.protection.outlook.com2026-07-01 → 2026-08-03 · 3 obs

○ 2015-11-11 02:22:56
● 2026-07-01 20:32:56
● 2026-08-03 20:58:52

○MXmail.b-io.co2015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 01:29:20
○ 2015-11-11 02:22:56
○ 2026-08-03 20:58:52

●A104.21.20.752026-07-01 → 2026-08-03 · 3 obs

○ 2018-06-02 16:48:48
● 2026-07-01 20:32:56
● 2026-08-03 20:58:52

○A141.8.225.682016-04-25 → 2016-04-25 · 4 obs

○ 2016-02-01 12:08:42
● 2016-04-25 16:20:24
○ 2017-01-10 14:41:56
○ 2026-08-03 20:58:52

●A172.67.191.2262026-07-01 → 2026-08-03 · 3 obs

○ 2018-06-02 16:48:48
● 2026-07-01 20:32:56
● 2026-08-03 20:58:52

○A204.11.56.482015-06-29 → 2017-01-10 · 6 obs

● 2015-06-29 01:29:20
● 2016-02-01 12:08:42
○ 2016-04-25 16:20:24
● 2017-01-10 14:41:56
○ 2018-06-02 16:48:48
○ 2026-08-03 20:58:52

○A207.148.248.1432018-06-02 → 2018-06-02 · 4 obs

○ 2017-01-10 14:41:56
● 2018-06-02 16:48:48
○ 2026-07-01 20:32:56
○ 2026-08-03 20:58:52

○PTRns1626.ztomy.com2017-01-10 → 2017-01-10 · 3 obs

● 2017-01-10 14:41:56
○ 2018-06-02 16:48:48
○ 2026-08-03 20:58:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net...	-
lineardynamics.com	pam.ns.cloudflare.com, rajeev.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.138

NS records: pam.ns.cloudflare.com, rajeev.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lineardynamics.com (unsigned zone)

⏱️ Timing

Total: 1498ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.20.75, 172.67.191.226`
NS	2	`pam.ns.cloudflare.com, rajeev.ns.cloudflare.com`
MX	1	`lineardynamics-com.mail.protection.outlo`
TXT	2	`MS=ms41292153, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`pam.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

lineardynamics.com has two IP addresses: 104.21.20.75 and 172.67.191.226

Additional host names — psthost.net, rotacomando.com.br, wpiam.com and two others — share IP numbers with lineardynamics.com.

Name Servers

lineardynamics.com has two authoritative name servers — pam.ns.cloudflare.com and rajeev.ns.cloudflare.com.

lineardynamics.com shares its name server setup with other domains, including agency1010.com, cashmanhelp.com, partsua.com.ua and two others.

The name servers of lineardynamics.com overlap at least partially with those of other domains — among them londonslotbridge.uk, ecg33.fr, researchlabnotes.com and two more.

These name servers commonly appear in combination with the name servers sreeni.ns.cloudflare.com.

Host names with 6 IP numbers:

pam.ns.cloudflare.com points to 108.162.192.138, 172.64.32.138, 173.245.58.138 and 3 other IP addresses.

rajeev.ns.cloudflare.com points to 108.162.193.224, 172.64.33.224, 173.245.59.224 and 3 other IP addresses.

Mail Servers

lineardynamics.com has one mail server: lineardynamics-com.mail.protection.outlook.com.

lineardynamics-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.190.1, 52.101.190.3, 52.101.192.0 and 5 other.

lineardynamics.com - robtex.com