kohn.com - dns.ninja

`kohn.com`

DNSSEC	⚠️ Not signed
NS	`buck.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`buck.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`buck.ns.cloudflare.com`
		A	108.162.193.78^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	172.64.33.78^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	173.245.59.78^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
NS	`jessica.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jessica.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jessica.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jessica.ns.cloudflare.com`
		A	108.162.192.171^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.171^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.171^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx1.mtaroutes.com` ⭐
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.101.250.150^{🇺🇸 AS1663338.101.250.0/24}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
MX	`mx2.mtaroutes.com`⁽²⁰⁾
		A	2001:978:2:7::162:100^{🇩🇪 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe1-r3-in.fra02.l.antispamcloud.com`
		A	149.13.75.27^{🇩🇪 AS16633149.13.75.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe1-r3-in.fra02.l.antispamcloud.com`
MX	`mx3.mtaroutes.com`⁽³⁰⁾
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
MX	`mx4.mtaroutes.com`⁽⁴⁰⁾
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.101.250.150^{🇺🇸 AS1663338.101.250.0/24}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
TXT	`v=spf1 include:spf.91720a3a-kohn-com.spf.dmarchost.com ~all`
SOA	`buck.ns.cloudflare.com`dns@cloudflare.com serial=2405997330

`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=1784581252

Same first word

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DNS History

11 records (6 active, 5 former)

●NSbuck.ns.cloudflare.com2026-04-01 → 2026-07-20 · 3 obs

○ 2017-05-19 06:24:26
● 2026-04-01 00:55:34
● 2026-07-20 21:11:20

●NSjessica.ns.cloudflare.com2026-04-01 → 2026-07-20 · 3 obs

○ 2017-05-19 06:24:26
● 2026-04-01 00:55:34
● 2026-07-20 21:11:20

○NSns75.domaincontrol.com2015-08-05 → 2017-05-19 · 4 obs

● 2015-08-05 14:43:58
● 2017-05-19 06:24:26
○ 2026-04-01 00:55:34
○ 2026-07-20 21:11:20

○NSns76.domaincontrol.com2015-08-05 → 2017-05-19 · 4 obs

● 2015-08-05 14:43:58
● 2017-05-19 06:24:26
○ 2026-04-01 00:55:34
○ 2026-07-20 21:11:20

○MXkohn.com.bak-mx.na0105.smtpbak.com2015-08-05 → 2017-05-19 · 4 obs

● 2015-08-05 14:43:58
● 2017-05-19 06:24:26
○ 2026-04-01 00:55:34
○ 2026-07-20 21:11:20

○MXkohn.com.pri-mx.na0105.smtproutes.com2015-08-05 → 2017-05-19 · 4 obs

● 2015-08-05 14:43:58
● 2017-05-19 06:24:26
○ 2026-04-01 00:55:34
○ 2026-07-20 21:11:20

●MXmx1.mtaroutes.com2026-04-01 → 2026-07-20 · 3 obs

○ 2017-05-19 06:24:26
● 2026-04-01 00:55:34
● 2026-07-20 21:11:20

●MXmx2.mtaroutes.com2026-04-01 → 2026-07-20 · 3 obs

○ 2017-05-19 06:24:26
● 2026-04-01 00:55:34
● 2026-07-20 21:11:20

●MXmx3.mtaroutes.com2026-04-01 → 2026-07-20 · 3 obs

○ 2017-05-19 06:24:26
● 2026-04-01 00:55:34
● 2026-07-20 21:11:20

●MXmx4.mtaroutes.com2026-04-01 → 2026-07-20 · 3 obs

○ 2017-05-19 06:24:26
● 2026-04-01 00:55:34
● 2026-07-20 21:11:20

○A184.168.221.542015-08-05 → 2017-05-19 · 4 obs

● 2015-08-05 14:43:58
● 2017-05-19 06:24:26
○ 2026-04-01 00:55:34
○ 2026-07-20 21:11:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...	-
kohn.com	buck.ns.cloudflare.com, jessica.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.78

NS records: buck.ns.cloudflare.com, jessica.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kohn.com (unsigned zone)

⏱️ Timing

Total: 267ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`buck.ns.cloudflare.com, jessica.ns.cloudflare.com`
MX	4	`mx1.mtaroutes.com (pri: 10), mx2.mtaroutes.com (pri: 20)...`
TXT	1	`v=spf1 include:spf.91720a3a-kohn-com.spf`
SOA	1	`buck.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

kohn.com is served by two delegated name servers, buck.ns.cloudflare.com and jessica.ns.cloudflare.com.

kohn.com has the same name server delegation as a number of other domains, such as spektrasoft.com, aluviegroup.com, autodromo.com.br and two more.

kohn.com shares at least some of its name servers with other domains, including super4dtotox34.com, hasbdqt.com, icebook99.com and two others.

Host names resolving to 6 IP numbers:

buck.ns.cloudflare.com carries IP addresses 108.162.193.78, 172.64.33.78 and 173.245.59.78, with 3 other addresses beyond those.

jessica.ns.cloudflare.com carries IP addresses 108.162.192.171, 172.64.32.171 and 173.245.58.171, with 3 other addresses beyond those.

Mail Servers

Four mail servers handle email for kohn.com: mx1.mtaroutes.com, mx2.mtaroutes.com, mx3.mtaroutes.com and mx4.mtaroutes.com.

kohn.com shares at least some of its mail servers with other domains — for example complete-coherence.com, assembledintelligence.co, bmswholesale.com.au and two more.

Two of the four hostnames share an address pair: mx1.mtaroutes.com and mx4.mtaroutes.com both resolve to 38.101.250.150 and 2001:550:2:78::ca:100. The remaining hosts resolve to distinct addresses: mx2.mtaroutes.com resolves to 149.13.75.27 and 2001:978:2:7::162:100, and mx3.mtaroutes.com resolves to 38.71.16.244 and 2001:550:2:3::62:100.

These two host names — mx1.mtaroutes.com and mx4.mtaroutes.com — each point to 2001:550:2:78::ca:100 IP addresses.

These two host names — mx1.mtaroutes.com and mx4.mtaroutes.com — each point to 38.101.250.150 IP addresses.