jeffcolhoun.com - robtex.com

jeffcolhoun.com

DNSSEC⚠️ Not signed
NSdns1.p01.nsone.net ⭐
A2620:4d:4000:6259:7:1:0:1🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p01.nsone.net
A198.51.44.1🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p01.nsone.net
NSconnect1.squarespacedns.com ⚠️ Not in zone NS records
A198.51.45.6🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns2.p06.nsone.net
NSconnect2.squarespacedns.com ⚠️ Not in zone NS records
A45.54.22.65🇺🇸 NETACTUATE45.54.22.0/24
PTRns02.squarespacedns.com
TXTNETORGFT1213445.onmicrosoft.com
TXTv=spf1 a:dispatch-us.ppe-hosted.com include:secureserver.net -all
SOAdns1.p01.nsone.nethostmaster@nsone.net serial=1749195610

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784886387

Same first word

jeffcolhoun.com

DNS History

20 records (3 active, 17 former)

20162017201820192020202120222023202420252026NSconnect1.squarespacedns.comconnect2.squarespacedns.comdns1.p01.nsone.netdns1.p09.nsone.netdns2.p09.nsone.netdns3.p09.nsone.netdns4.p09.nsone.netns25.domaincontrol.comns26.domaincontrol.comMXjeffcolhoun-com.mail.protection.outlook.commailstore1.secureserver.netmx1-us1.ppe-hosted.commx2-us1.ppe-hosted.comsmtp.secureserver.netA192.186.239.8198.185.159.144198.185.159.145198.49.23.144198.49.23.14550.62.160.77
●NSconnect1.squarespacedns.com2026-06-08 → 2026-07-24 · 3 obs
○ 2020-04-10 04:15:40
● 2026-06-08 12:04:50
● 2026-07-24 09:49:44
●NSconnect2.squarespacedns.com2026-06-08 → 2026-07-24 · 3 obs
○ 2020-04-10 04:15:40
● 2026-06-08 12:04:50
● 2026-07-24 09:49:44
●NSdns1.p01.nsone.net2026-07-09 → 2026-07-24 · 3 obs
○ 2026-06-08 12:04:50
● 2026-07-09 12:48:00
● 2026-07-24 09:49:44
○NSdns1.p09.nsone.net2026-06-08 → 2026-06-08 · 4 obs
○ 2020-04-10 04:15:40
● 2026-06-08 12:04:50
○ 2026-07-09 12:48:00
○ 2026-07-24 09:49:44
○NSdns2.p09.nsone.net2026-06-08 → 2026-06-08 · 4 obs
○ 2020-04-10 04:15:40
● 2026-06-08 12:04:50
○ 2026-07-09 12:48:00
○ 2026-07-24 09:49:44
○NSdns3.p09.nsone.net2026-06-08 → 2026-06-08 · 4 obs
○ 2020-04-10 04:15:40
● 2026-06-08 12:04:50
○ 2026-07-09 12:48:00
○ 2026-07-24 09:49:44
○NSdns4.p09.nsone.net2026-06-08 → 2026-06-08 · 4 obs
○ 2020-04-10 04:15:40
● 2026-06-08 12:04:50
○ 2026-07-09 12:48:00
○ 2026-07-24 09:49:44
○NSns25.domaincontrol.com2015-07-22 → 2020-04-10 · 4 obs
● 2015-07-22 09:40:24
● 2020-04-10 04:15:40
○ 2026-06-08 12:04:50
○ 2026-07-24 09:49:44
○NSns26.domaincontrol.com2015-07-22 → 2020-04-10 · 4 obs
● 2015-07-22 09:40:24
● 2020-04-10 04:15:40
○ 2026-06-08 12:04:50
○ 2026-07-24 09:49:44
○MXjeffcolhoun-com.mail.protection.outlook.com2016-03-25 → 2020-04-10 · 5 obs
○ 2015-11-23 00:32:00
● 2016-03-25 05:55:36
● 2020-04-10 04:15:40
○ 2026-06-08 12:04:50
○ 2026-07-24 09:49:44
○MXmailstore1.secureserver.net2015-07-22 → 2015-11-23 · 4 obs
● 2015-07-22 09:40:24
● 2015-11-23 00:32:00
○ 2016-03-25 05:55:36
○ 2026-07-24 09:49:44
○MXmx1-us1.ppe-hosted.com2026-06-25 → 2026-06-25 · 4 obs
○ 2026-06-08 12:04:50
● 2026-06-25 13:34:04
○ 2026-07-09 12:48:00
○ 2026-07-24 09:49:44
○MXmx2-us1.ppe-hosted.com2026-06-25 → 2026-06-25 · 4 obs
○ 2026-06-08 12:04:50
● 2026-06-25 13:34:04
○ 2026-07-09 12:48:00
○ 2026-07-24 09:49:44
○MXsmtp.secureserver.net2015-07-22 → 2015-11-23 · 4 obs
● 2015-07-22 09:40:24
● 2015-11-23 00:32:00
○ 2016-03-25 05:55:36
○ 2026-07-24 09:49:44
○A192.186.239.82016-03-25 → 2016-07-23 · 5 obs
○ 2015-11-23 00:32:00
● 2016-03-25 05:55:36
● 2016-07-23 04:47:06
○ 2017-04-18 20:03:08
○ 2026-07-24 09:49:44
○A198.185.159.1442017-04-18 → 2020-04-10 · 5 obs
○ 2016-07-23 04:47:06
● 2017-04-18 20:03:08
● 2020-04-10 04:15:40
○ 2026-07-09 12:48:00
○ 2026-07-24 09:49:44
○A198.185.159.1452017-04-18 → 2020-04-10 · 5 obs
○ 2016-07-23 04:47:06
● 2017-04-18 20:03:08
● 2020-04-10 04:15:40
○ 2026-07-09 12:48:00
○ 2026-07-24 09:49:44
○A198.49.23.1442017-04-18 → 2020-04-10 · 5 obs
○ 2016-07-23 04:47:06
● 2017-04-18 20:03:08
● 2020-04-10 04:15:40
○ 2026-07-09 12:48:00
○ 2026-07-24 09:49:44
○A198.49.23.1452017-04-18 → 2020-04-10 · 5 obs
○ 2016-07-23 04:47:06
● 2017-04-18 20:03:08
● 2020-04-10 04:15:40
○ 2026-07-09 12:48:00
○ 2026-07-24 09:49:44
○A50.62.160.772015-07-22 → 2015-11-23 · 4 obs
● 2015-07-22 09:40:24
● 2015-11-23 00:32:00
○ 2016-03-25 05:55:36
○ 2026-07-24 09:49:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
jeffcolhoun.comconnect1.squarespacedns.com, connect2.squarespacedns.com2 records

✅ Authoritative Response

Server:45.54.22.65

NS records: connect1.squarespacedns.com, connect2.squarespacedns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jeffcolhoun.com (unsigned zone)

⏱️ Timing

Total: 96ms | Queries: -

📄 Records

TypeCountSample Data
A4198.185.159.145, 198.49.23.144...
TXT2NETORGFT1213445.onmicrosoft.com, v=spf1 a:dispatch-us.ppe-hosted.com incl

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (connect1.squarespacedns.com, connect2.squarespacedns.com)

Analysis

Name Servers

jeffcolhoun.com is delegated to three name servers: connect1.squarespacedns.com, connect2.squarespacedns.com and dns1.p01.nsone.net.

At least some of jeffcolhoun.com's name servers are shared with other domains, for example halcyon-nutrition.com, formigraineprevention.com, spreadberlin.com and two more.

These name servers tend to co-occur with ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com and 7 other name servers in the same DNS delegations.

Host names with two IP numbers:

dns1.p01.nsone.net points to 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

Host names pointing to a single IP address:

connect1.squarespacedns.com points to 198.51.45.6.

connect2.squarespacedns.com points to 45.54.22.65.