`marknow.com`

DNSSEC	⚠️ Not signed
NS	`ns51.domaincontrol.com` ⭐
		A	2603:5:2192::1a^{🇺🇸 GODADDY-DNS2603:5:2190::/44}
			PTR	`ns51.domaincontrol.com`
		A	97.74.105.26^{🇺🇸 GODADDY-DNS97.74.104.0/23}
			PTR	`ns51.domaincontrol.com`
NS	`ns52.domaincontrol.com`
		A	2603:5:2292::1a^{🇺🇸 GODADDY-DNS2603:5:2290::/44}
			PTR	`ns52.domaincontrol.com`
		A	173.201.73.26^{🇺🇸 GODADDY-DNS173.201.72.0/23}
			PTR	`ns52.domaincontrol.com`
MX	`marknow-com.mail.protection.outlook.com` ⭐
TXT	`NETORGFT8705975.onmicrosoft.com`
TXT	`v=spf1 include:secureserver.net -all`
SOA	`ns51.domaincontrol.com`dns@jomax.net 2026-01-04 #3

`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=1771291435

Same first word

marknow.com

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DNS History

5 records (3 active, 2 former)

●NSns51.domaincontrol.com2019-03-30 → 2026-03-18 · 2 obs

● 2019-03-30 16:53:58
● 2026-03-18 23:43:02

●NSns52.domaincontrol.com2019-03-30 → 2026-03-18 · 2 obs

● 2019-03-30 16:53:58
● 2026-03-18 23:43:02

●MXmarknow-com.mail.protection.outlook.com2026-03-18 → 2026-03-18 · 1 obs

● 2026-03-18 23:43:02

○A107.180.56.1532019-03-30 → 2019-03-30 · 3 obs

○ 2017-02-11 14:12:50
● 2019-03-30 16:53:58
○ 2026-03-18 23:43:02

○A208.91.197.262015-05-23 → 2017-02-11 · 4 obs

● 2015-05-23 14:14:22
● 2017-02-11 14:12:50
○ 2019-03-30 16:53:58
○ 2026-03-18 23:43:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
marknow.com	ns51.domaincontrol.com, ns52.domaincontrol.com	4 records

✅ Authoritative Response

Server: 97.74.105.26

NS records: ns51.domaincontrol.com, ns52.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for marknow.com (unsigned zone)

⏱️ Timing

Total: 232ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns51.domaincontrol.com, ns52.domaincontrol.com`
MX	1	`marknow-com.mail.protection.outlook.com`
TXT	2	`NETORGFT8705975.onmicrosoft.com, v=spf1 include:secureserver.net -all`
SOA	1	`ns51.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)

Analysis

Name Servers

marknow.com is delegated to two name servers: ns51.domaincontrol.com and ns52.domaincontrol.com.

marknow.com uses the same name server setup as other domains such as vself.net, acxtra.com, cronenberger-branchen.de, accessdentaloffice.com and associationexpogroup.com.

marknow.com shares name servers with other domains at least partially, for example blackstoncustomhomes.com.

Host names with two IP numbers:

ns51.domaincontrol.com points to 2603:5:2192::1a and 97.74.105.26; ns52.domaincontrol.com points to 2603:5:2292::1a and 173.201.73.26.

Mail Servers

marknow.com is handled by a single mail server, marknow-com.mail.protection.outlook.com.

marknow.com - robtex.com

marknow.com

com