interviewprep.co - robtex.com

interviewprep.co

DNSSEC⚠️ Not signed
A162.255.119.172🇺🇸 NAMCHEAP-PH162.255.119.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
NSdns1.registrar-servers.com ⭐
A2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
A156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
NSdns2.registrar-servers.com
A2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
A156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
MXeforward1.registrar-servers.com ⭐
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward2.registrar-servers.com ⭐
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward3.registrar-servers.com ⭐
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward4.registrar-servers.com(15)
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward5.registrar-servers.com(20)
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
TXTv=spf1 include:spf.efwd.registrar-servers.com ~all
SOAdns1.registrar-servers.comhostmaster@registrar-servers.com serial=1769622241

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759654734

Previously MX for

interviewprep.co

Same first word

interviewprep.app
interviewprep.co

Similar names

prepinterview.com

DNS History

25 records (8 active, 17 former)

20162017201820192020202120222023202420252026NSdns1.registrar-servers.comdns2.registrar-servers.comns41.nettigritty.netns42.nettigritty.netns53.domaincontrol.comns54.domaincontrol.comMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.cominterviewprep.comailstore1.secureserver.netsmtp.secureserver.netA162.255.119.172184.168.221.4034.192.118.10943.252.88.9650.19.76.24752.7.166.18354.173.8.17354.86.114.104CNAMEpr-co-suspensions.go.copr-co-suspensions.neuweb.bizreg-pr-web-suspensionpages-go-co-1680484254.us-east-1.elb.amazonaws.com
●NSdns1.registrar-servers.com2026-04-14 → 2026-05-10 · 3 obs
○ 2020-03-28 01:50:36
● 2026-04-14 06:43:40
● 2026-05-10 15:26:24
●NSdns2.registrar-servers.com2026-04-14 → 2026-05-10 · 3 obs
○ 2020-03-28 01:50:36
● 2026-04-14 06:43:40
● 2026-05-10 15:26:24
○NSns41.nettigritty.net2020-03-28 → 2020-03-28 · 4 obs
○ 2017-03-24 05:20:10
● 2020-03-28 01:50:36
○ 2026-04-14 06:43:40
○ 2026-05-10 15:26:24
○NSns42.nettigritty.net2020-03-28 → 2020-03-28 · 4 obs
○ 2017-03-24 05:20:10
● 2020-03-28 01:50:36
○ 2026-04-14 06:43:40
○ 2026-05-10 15:26:24
○NSns53.domaincontrol.com2016-03-14 → 2016-07-07 · 4 obs
● 2016-03-14 04:04:34
● 2016-07-07 23:59:22
○ 2017-03-24 05:20:10
○ 2026-05-10 15:26:24
○NSns54.domaincontrol.com2016-03-14 → 2016-07-07 · 4 obs
● 2016-03-14 04:04:34
● 2016-07-07 23:59:22
○ 2017-03-24 05:20:10
○ 2026-05-10 15:26:24
●MXeforward1.registrar-servers.com2026-04-14 → 2026-05-10 · 3 obs
○ 2020-03-28 01:50:36
● 2026-04-14 06:43:40
● 2026-05-10 15:26:24
●MXeforward2.registrar-servers.com2026-04-14 → 2026-05-10 · 3 obs
○ 2020-03-28 01:50:36
● 2026-04-14 06:43:40
● 2026-05-10 15:26:24
●MXeforward3.registrar-servers.com2026-04-14 → 2026-05-10 · 3 obs
○ 2020-03-28 01:50:36
● 2026-04-14 06:43:40
● 2026-05-10 15:26:24
●MXeforward4.registrar-servers.com2026-04-14 → 2026-05-10 · 3 obs
○ 2020-03-28 01:50:36
● 2026-04-14 06:43:40
● 2026-05-10 15:26:24
●MXeforward5.registrar-servers.com2026-04-14 → 2026-05-10 · 3 obs
○ 2020-03-28 01:50:36
● 2026-04-14 06:43:40
● 2026-05-10 15:26:24
○MXinterviewprep.co2020-03-28 → 2020-03-28 · 4 obs
○ 2017-03-24 05:20:10
● 2020-03-28 01:50:36
○ 2026-04-14 06:43:40
○ 2026-05-10 15:26:24
○MXmailstore1.secureserver.net2016-03-14 → 2016-07-07 · 4 obs
● 2016-03-14 04:04:34
● 2016-07-07 23:59:22
○ 2017-03-24 05:20:10
○ 2026-05-10 15:26:24
○MXsmtp.secureserver.net2016-03-14 → 2016-07-07 · 4 obs
● 2016-03-14 04:04:34
● 2016-07-07 23:59:22
○ 2017-03-24 05:20:10
○ 2026-05-10 15:26:24
●A162.255.119.1722026-04-14 → 2026-05-10 · 3 obs
○ 2020-03-28 01:50:36
● 2026-04-14 06:43:40
● 2026-05-10 15:26:24
○A184.168.221.402016-03-14 → 2016-07-07 · 5 obs
○ 2015-08-22 16:21:10
● 2016-03-14 04:04:34
● 2016-07-07 23:59:22
○ 2017-03-24 05:20:10
○ 2026-05-10 15:26:24
○A34.192.118.1092017-03-24 → 2017-03-24 · 4 obs
○ 2016-07-07 23:59:22
● 2017-03-24 05:20:10
○ 2020-03-28 01:50:36
○ 2026-05-10 15:26:24
○A43.252.88.962020-03-28 → 2020-03-28 · 4 obs
○ 2017-03-24 05:20:10
● 2020-03-28 01:50:36
○ 2026-04-14 06:43:40
○ 2026-05-10 15:26:24
○A50.19.76.2472017-03-24 → 2017-03-24 · 4 obs
○ 2016-07-07 23:59:22
● 2017-03-24 05:20:10
○ 2020-03-28 01:50:36
○ 2026-05-10 15:26:24
○A52.7.166.1832017-03-24 → 2017-03-24 · 4 obs
○ 2016-07-07 23:59:22
● 2017-03-24 05:20:10
○ 2020-03-28 01:50:36
○ 2026-05-10 15:26:24
○A54.173.8.1732015-08-22 → 2015-08-22 · 3 obs
● 2015-08-22 16:21:10
○ 2026-04-14 06:43:40
○ 2026-05-10 15:26:24
○A54.86.114.1042015-08-22 → 2015-08-22 · 3 obs
● 2015-08-22 16:21:10
○ 2026-04-14 06:43:40
○ 2026-05-10 15:26:24
○CNAMEpr-co-suspensions.go.co2017-03-24 → 2017-03-24 · 4 obs
○ 2015-12-08 06:33:20
● 2017-03-24 05:20:10
○ 2020-03-28 01:50:36
○ 2026-05-10 15:26:24
○CNAMEpr-co-suspensions.neuweb.biz2015-08-22 → 2015-08-22 · 3 obs
● 2015-08-22 16:21:10
○ 2015-12-08 06:33:20
○ 2026-05-10 15:26:24
○CNAMEreg-pr-web-suspensionpages-go-co-1680484254.us-east-1.elb.amazonaws.com2017-03-24 → 2017-03-24 · 4 obs
○ 2015-12-08 06:33:20
● 2017-03-24 05:20:10
○ 2020-03-28 01:50:36
○ 2026-05-10 15:26:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, d.registrydns.co, c.registrydns.co, b.registrydns.co-
interviewprep.codns1.registrar-servers.com, dns2.registrar-servers.com-

✅ Authoritative Response

Server:156.154.132.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for interviewprep.co (unsigned zone)

⏱️ Timing

Total: 681ms | Queries: -

📄 Records

TypeCountSample Data
A1162.255.119.172
NS2dns1.registrar-servers.com, dns2.registrar-servers.com
MX5eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...
TXT1v=spf1 include:spf.efwd.registrar-server
SOA1dns1.registrar-servers.com hostmaster.re

Analysis

IP Addresses

interviewprep.co points to a single IP number: 162.255.119.172.

other host names for instance landuu.com, kaipono.com, connorhamiltonphotography.com, kidsgiving.net and outdoorsafetysurfacing.net share IP numbers with interviewprep.co.

Name Servers

interviewprep.co is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.

interviewprep.co shares the same name server setup as other domains, for example acacyan.com, rfiduino.com, perend.com, fundvid.com and kevinworkman.com.

interviewprep.co at least partially shares name servers with other domains, for example chinesetakeoutrestaurants.com and epidemicofabsence.com.

These name servers are commonly used with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

Host names with two IP numbers:

dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200

dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200

Mail Servers

interviewprep.co is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.

interviewprep.co shares mail servers with other domains at least partially, including russianwomen.club, greaterearnedrevenue.com, emergentcomputing.com, buffathletics.com and darklink24.com.

these mail servers are often used with eforward6.registrar-servers.com and eforward7.registrar-servers.com.

Host names with a single IP:

eforward1.registrar-servers.com points to: 162.255.118.51

eforward2.registrar-servers.com points to: 162.255.118.52

eforward3.registrar-servers.com points to: 162.255.118.51

eforward4.registrar-servers.com points to: 162.255.118.52

eforward5.registrar-servers.com points to: 162.255.118.51

Host names pointing to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com, eforward5.registrar-servers.com

Host names pointing to 162.255.118.52: eforward2.registrar-servers.com, eforward4.registrar-servers.com