john-cobb.com - robtex.com

`john-cobb.com`

	DNSSEC	⚠️ Not signed
	A	199.59.136.220^{🇺🇸 AS53676199.59.136.0/23 Broadridge Financial Solutions}
	NS	`fk1-z6-ib-internet.northwesternmutual.com` ⭐ ⚠️ Not in parent delegation
			A	216.20.176.228^{🇺🇸 AS26787216.20.176.0/21 first half of 216.20.176.0/20 IP space}
				PTR	`fk1-z6-ib-internet.northwesternmutual.com`
				PTR	`ns1.northwesternmutual.com`
	NS	`dc1-ext-ddi-01a.nml.com` ⚠️ Not in parent delegation
			A	216.20.184.10^{🇺🇸 AS26787216.20.184.0/24 first subnet in the 2nd half of 216.20.176.0/20 (216.20.184.0/21) owned IP space}
	NS	`mkn-z3-ib-internet.northwesternmutual.com` ⚠️ Not in parent delegation
			A	216.20.179.228^{🇺🇸 AS26787216.20.176.0/21 first half of 216.20.176.0/20 IP space}
				PTR	`mkn-z3-ib-internet.northwesternmutual.com`
				PTR	`ns2.northwesternmutual.com`
	NS	`ns1.northwesternmutual.com` ⚠️ Not in zone NS records
			A	216.20.176.228^{🇺🇸 AS26787216.20.176.0/21 first half of 216.20.176.0/20 IP space}
				PTR	`fk1-z6-ib-internet.northwesternmutual.com`
				PTR	`ns1.northwesternmutual.com`
	NS	`ns2.northwesternmutual.com` ⚠️ Not in zone NS records
			A	216.20.179.228^{🇺🇸 AS26787216.20.176.0/21 first half of 216.20.176.0/20 IP space}
				PTR	`mkn-z3-ib-internet.northwesternmutual.com`
				PTR	`ns2.northwesternmutual.com`
	NS	`ns3.northwesternmutual.com` ⚠️ Not in parent delegation
	NS	`ns4.northwesternmutual.com` ⚠️ Not in parent delegation
	NS	`ns6.northwesternmutual.com` ⚠️ Not in zone NS records
			A	216.20.184.10^{🇺🇸 AS26787216.20.184.0/24 first subnet in the 2nd half of 216.20.176.0/20 (216.20.184.0/21) owned IP space}
	TXT	`v=spf1 -all`
	SOA	`fk1-z6-ib-internet.northwesternmutual.com`please_set_email@absolutely.nowhere serial=35

`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=1774531507

Same first word

john-cobb.com

DNS History

13 records (9 active, 4 former)

●NSdc1-ext-ddi-01a.nml.com2026-03-26 → 2026-03-26 · 3 obs

○ 2017-04-07 21:49:34
● 2026-03-26 05:55:48
● 2026-03-26 13:38:06

○NSf1-ib-gridmaster.ho.nmfco.com2016-01-14 → 2016-01-14 · 4 obs

○ 2015-10-29 21:24:16
● 2016-01-14 23:35:06
○ 2016-04-06 09:31:30
○ 2026-03-26 13:38:06

○NSf1-ib-inetns.northwesternmutual.com2016-01-14 → 2016-01-14 · 4 obs

○ 2015-10-29 21:24:16
● 2016-01-14 23:35:06
○ 2016-04-06 09:31:30
○ 2026-03-26 13:38:06

●NSfk1-z6-ib-internet.northwesternmutual.com2016-04-06 → 2026-03-26 · 3 obs

○ 2016-01-14 23:35:06
● 2016-04-06 09:31:30
● 2026-03-26 13:38:06

●NSmkn-z3-ib-internet.northwesternmutual.com2016-04-06 → 2026-03-26 · 3 obs

○ 2016-01-14 23:35:06
● 2016-04-06 09:31:30
● 2026-03-26 13:38:06

○NSmn-ib-inetns.northwesternmutual.com2016-01-14 → 2016-01-14 · 4 obs

○ 2015-10-29 21:24:16
● 2016-01-14 23:35:06
○ 2016-04-06 09:31:30
○ 2026-03-26 13:38:06

●NSns1.northwesternmutual.com2015-06-15 → 2026-03-26 · 6 obs

● 2015-06-15 07:13:32
● 2015-10-29 21:24:16
○ 2016-01-14 23:35:06
○ 2017-04-07 21:49:34
● 2026-03-26 05:55:48
● 2026-03-26 13:38:06

●NSns2.northwesternmutual.com2015-06-15 → 2026-03-26 · 6 obs

● 2015-06-15 07:13:32
● 2015-10-29 21:24:16
○ 2016-01-14 23:35:06
○ 2017-04-07 21:49:34
● 2026-03-26 05:55:48
● 2026-03-26 13:38:06

●NSns3.northwesternmutual.com2015-10-29 → 2026-03-26 · 3 obs

○ 2015-06-15 07:13:32
● 2015-10-29 21:24:16
● 2026-03-26 13:38:06

●NSns4.northwesternmutual.com2015-10-29 → 2026-03-26 · 3 obs

○ 2015-06-15 07:13:32
● 2015-10-29 21:24:16
● 2026-03-26 13:38:06

●NSns6.northwesternmutual.com2026-03-26 → 2026-03-26 · 3 obs

○ 2017-04-07 21:49:34
● 2026-03-26 05:55:48
● 2026-03-26 13:38:06

○NSnsfdp.ho.nmfco.com2015-06-15 → 2015-10-29 · 4 obs

● 2015-06-15 07:13:32
● 2015-10-29 21:24:16
○ 2016-01-14 23:35:06
○ 2026-03-26 13:38:06

●A199.59.136.2202015-06-15 → 2026-03-26 · 2 obs

● 2015-06-15 07:13:32
● 2026-03-26 13:38:06

🔍 DNS Trace

Analysis

IP Addresses

john-cobb.com resolves to a single IP address: 199.59.136.220.

Other host names including ericbatey.com, butlerfinancialservices.com, longtermcareplanners.com, paramountplanninggroup.com and englerfinancialservices.com share IP numbers with john-cobb.com.

Name Servers

john-cobb.com is delegated to eight name servers: dc1-ext-ddi-01a.nml.com, fk1-z6-ib-internet.northwesternmutual.com, mkn-z3-ib-internet.northwesternmutual.com, ns1.northwesternmutual.com, ns2.northwesternmutual.com, ns3.northwesternmutual.com, ns4.northwesternmutual.com and ns6.northwesternmutual.com.

john-cobb.com at least partially shares name servers with other domains, including kellendoop.com, nmfco.com, joeheban.com, northwesternmutual.com and johnbyczek.com.

These name servers are commonly used with auth01.ns.uu.net and auth61.ns.uu.net.

Host names with a single IP number:

- dc1-ext-ddi-01a.nml.com points to 216.20.184.10.

- fk1-z6-ib-internet.northwesternmutual.com points to 216.20.176.228.

- mkn-z3-ib-internet.northwesternmutual.com points to 216.20.179.228.

- ns1.northwesternmutual.com points to 216.20.176.228.

- ns2.northwesternmutual.com points to 216.20.179.228.

- ns6.northwesternmutual.com points to 216.20.184.10.

Host names that point to 216.20.184.10: dc1-ext-ddi-01a.nml.com and ns6.northwesternmutual.com.

Host names that point to 216.20.176.228: fk1-z6-ib-internet.northwesternmutual.com and ns1.northwesternmutual.com.

Host names that point to 216.20.179.228: mkn-z3-ib-internet.northwesternmutual.com and ns2.northwesternmutual.com.