keithkaufmanphd.com - robtex.com

keithkaufmanphd.com

DNSSEC⚠️ Not signed
A198.49.23.144🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
PTRip-198-49-23-144.defastlink.net
A198.49.23.145🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.185.159.145🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
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
NSdns2.p01.nsone.net
A2a00:edc0:6259:7:1::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p01.nsone.net
A198.51.45.1🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns2.p01.nsone.net
NSdns3.p01.nsone.net
A2620:4d:4000:6259:7:1:0:3🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns3.p01.nsone.net
A198.51.44.65🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns3.p01.nsone.net
NSdns4.p01.nsone.net
A2a00:edc0:6259:7:1::4🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns4.p01.nsone.net
A198.51.45.65🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns4.p01.nsone.net
MXaspmx.l.google.com ⭐
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all
TXTgoogle-site-verification=m9nrwWD_MD5WyJGTlk55OXpK4yLZ9hgp90gx_0GjvZE
SOAdns1.p01.nsone.nethostmaster@nsone.net serial=1666745289

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=1778703166
WOT: UNKNOWN (61/100)

Same first word

keithkaufmanphd.com

DNS History

17 records (13 active, 4 former)

20162017201820192020202120222023202420252026NSdns1.p01.nsone.netdns2.p01.nsone.netdns3.p01.nsone.netdns4.p01.nsone.netns1.therapysites.comns2.therapysites.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx.keithkaufmanphd.com.cust.a.hostedemail.comA198.185.159.144198.185.159.145198.49.23.144198.49.23.14598.158.198.56
●NSdns1.p01.nsone.net2026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
●NSdns2.p01.nsone.net2026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
●NSdns3.p01.nsone.net2026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
●NSdns4.p01.nsone.net2026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
○NSns1.therapysites.com2015-07-04 → 2018-08-23 · 4 obs
● 2015-07-04 11:10:30
● 2018-08-23 20:34:40
○ 2026-05-02 12:20:48
○ 2026-05-13 20:13:22
○NSns2.therapysites.com2015-07-04 → 2018-08-23 · 4 obs
● 2015-07-04 11:10:30
● 2018-08-23 20:34:40
○ 2026-05-02 12:20:48
○ 2026-05-13 20:13:22
●MXalt1.aspmx.l.google.com2026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
●MXalt2.aspmx.l.google.com2026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
●MXalt3.aspmx.l.google.com2026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
●MXalt4.aspmx.l.google.com2026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
●MXaspmx.l.google.com2026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
○MXmx.keithkaufmanphd.com.cust.a.hostedemail.com2015-07-04 → 2018-08-23 · 4 obs
● 2015-07-04 11:10:30
● 2018-08-23 20:34:40
○ 2026-05-02 12:20:48
○ 2026-05-13 20:13:22
●A198.185.159.1442026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
●A198.185.159.1452026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
●A198.49.23.1442026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
●A198.49.23.1452026-05-02 → 2026-05-13 · 3 obs
○ 2018-08-23 20:34:40
● 2026-05-02 12:20:48
● 2026-05-13 20:13:22
○A98.158.198.562015-07-04 → 2018-08-23 · 4 obs
● 2015-07-04 11:10:30
● 2018-08-23 20:34:40
○ 2026-05-02 12:20:48
○ 2026-05-13 20:13:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...-
keithkaufmanphd.comdns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net-

✅ Authoritative Response

Server:198.51.45.1

NS records: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keithkaufmanphd.com (unsigned zone)

⏱️ Timing

Total: 784ms | Queries: -

📄 Records

TypeCountSample Data
A4198.185.159.145, 198.49.23.144...
NS4dns1.p01.nsone.net, dns2.p01.nsone.net...
MX5alt1.aspmx.l.google.com (pri: 5), alt4.aspmx.l.google.com (pri: 10)...
TXT2v=spf1 include:_spf.google.com ~all, google-site-verification=m9nrwWD_MD5WyJG
SOA1dns1.p01.nsone.net hostmaster.nsone.net

Analysis

IP Addresses

keithkaufmanphd.com resolves to four IPs: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Other host names such as pineapplerealty.com, jacksonholechipcompany.com, toolanddiejobs.com, walkersnet.com and stellerconcrete.com share IP numbers with keithkaufmanphd.com.

Name Servers

keithkaufmanphd.com is delegated to four name servers: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and dns4.p01.nsone.net.

At least part of the name servers for keithkaufmanphd.com are shared with other domains, for instance helploweraic.com, moduleup.com, gainesville.com, rockmex.net and patrand.com.

these name servers are commonly used with the name servers ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com, ns01.jnjdns.com, ns02.jnjdns.com, ns03.jnjdns.com, ns04.jnjdns.com, connect1.squarespacedns.com and connect2.squarespacedns.com.

Host names with two IP numbers:

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

dns2.p01.nsone.net points to: 2a00:edc0:6259:7:1::2 and 198.51.45.1

dns3.p01.nsone.net points to: 2620:4d:4000:6259:7:1:0:3 and 198.51.44.65

dns4.p01.nsone.net points to: 2a00:edc0:6259:7:1::4 and 198.51.45.65

Mail Servers

keithkaufmanphd.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

keithkaufmanphd.com shares at least some mail servers with other domains, for example umassrental.com, app-coming.jp, brighterwhite.com, baywork.org and caringfortextiles.com.

These mail servers are commonly used alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to: 2a00:1450:4009:c0f::1b and 192.178.223.26.

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1b and 192.178.128.26.

alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1b and 172.253.116.26.

alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1b and 192.178.223.27.

alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.27.

Host names that point to 2a00:1450:4009:c0f::1b: aspmx.l.google.com and alt3.aspmx.l.google.com.