optimizationtutor.com - robtex.com

optimizationtutor.com

DNSSEC⚠️ Not signed
A54.237.57.21🇺🇸 Amazon54.237.0.0/16 EC2 IAD prefix
PTRns1.namepros-dns.com
NSns1.namepros-dns.com ⭐
A54.237.57.21🇺🇸 Amazon54.237.0.0/16 EC2 IAD prefix
PTRns1.namepros-dns.com
NSns2.brokerage.ns.namepros-dns.is
A3.233.30.191🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix
PTRns2.namepros-dns.com
TXTv=spf1 -all
SOAns1.namepros-dns.comdns@namepros.com serial=14551026

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=1784363772
WOT: SAFE (20/100)

Same first word

optimizationtutor.com

DNS History

15 records (3 active, 12 former)

20162017201820192020202120222023202420252026NSns1.namepros-dns.comns2.brokerage.ns.namepros-dns.isns71.domaincontrol.comns72.domaincontrol.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.commailstore1.secureserver.netsmtp.secureserver.netA54.237.57.21130.211.165.63184.168.221.10184.168.221.13
●NSns1.namepros-dns.com2026-05-07 → 2026-07-18 · 3 obs
○ 2018-08-31 01:59:18
● 2026-05-07 02:36:42
● 2026-07-18 08:55:42
●NSns2.brokerage.ns.namepros-dns.is2026-05-07 → 2026-07-18 · 3 obs
○ 2018-08-31 01:59:18
● 2026-05-07 02:36:42
● 2026-07-18 08:55:42
○NSns71.domaincontrol.com2015-08-13 → 2018-08-31 · 4 obs
● 2015-08-13 13:15:30
● 2018-08-31 01:59:18
○ 2026-05-07 02:36:42
○ 2026-07-18 08:55:42
○NSns72.domaincontrol.com2015-08-13 → 2018-08-31 · 4 obs
● 2015-08-13 13:15:30
● 2018-08-31 01:59:18
○ 2026-05-07 02:36:42
○ 2026-07-18 08:55:42
○MXalt1.aspmx.l.google.com2015-11-25 → 2016-07-09 · 5 obs
○ 2015-08-13 13:15:30
● 2015-11-25 21:15:40
● 2016-07-09 03:24:14
○ 2016-12-30 22:19:44
○ 2026-07-18 08:55:42
○MXalt2.aspmx.l.google.com2015-11-25 → 2016-07-09 · 5 obs
○ 2015-08-13 13:15:30
● 2015-11-25 21:15:40
● 2016-07-09 03:24:14
○ 2016-12-30 22:19:44
○ 2026-07-18 08:55:42
○MXaspmx.l.google.com2015-11-25 → 2016-07-09 · 5 obs
○ 2015-08-13 13:15:30
● 2015-11-25 21:15:40
● 2016-07-09 03:24:14
○ 2016-12-30 22:19:44
○ 2026-07-18 08:55:42
○MXaspmx2.googlemail.com2015-11-25 → 2016-07-09 · 5 obs
○ 2015-08-13 13:15:30
● 2015-11-25 21:15:40
● 2016-07-09 03:24:14
○ 2016-12-30 22:19:44
○ 2026-07-18 08:55:42
○MXaspmx3.googlemail.com2015-11-25 → 2016-07-09 · 5 obs
○ 2015-08-13 13:15:30
● 2015-11-25 21:15:40
● 2016-07-09 03:24:14
○ 2016-12-30 22:19:44
○ 2026-07-18 08:55:42
○MXmailstore1.secureserver.net2015-08-13 → 2018-08-31 · 7 obs
● 2015-08-13 13:15:30
○ 2015-11-25 21:15:40
○ 2016-07-09 03:24:14
● 2016-12-30 22:19:44
● 2018-08-31 01:59:18
○ 2026-05-07 02:36:42
○ 2026-07-18 08:55:42
○MXsmtp.secureserver.net2015-08-13 → 2018-08-31 · 7 obs
● 2015-08-13 13:15:30
○ 2015-11-25 21:15:40
○ 2016-07-09 03:24:14
● 2016-12-30 22:19:44
● 2018-08-31 01:59:18
○ 2026-05-07 02:36:42
○ 2026-07-18 08:55:42
○A130.211.165.632015-11-25 → 2016-07-09 · 5 obs
○ 2015-08-13 13:15:30
● 2015-11-25 21:15:40
● 2016-07-09 03:24:14
○ 2016-12-30 22:19:44
○ 2026-07-18 08:55:42
○A184.168.221.102016-12-30 → 2018-08-31 · 5 obs
○ 2016-07-09 03:24:14
● 2016-12-30 22:19:44
● 2018-08-31 01:59:18
○ 2026-05-07 02:36:42
○ 2026-07-18 08:55:42
○A184.168.221.132015-08-13 → 2015-08-13 · 3 obs
● 2015-08-13 13:15:30
○ 2015-11-25 21:15:40
○ 2026-07-18 08:55:42
●A54.237.57.212026-05-07 → 2026-07-18 · 3 obs
○ 2018-08-31 01:59:18
● 2026-05-07 02:36:42
● 2026-07-18 08:55:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
optimizationtutor.comns1.namepros-dns.com, ns2.brokerage.ns.namepros-dns.is1 record

✅ Authoritative Response

Server:3.233.30.191

NS records: ns1.namepros-dns.com, ns2.brokerage.ns.namepros-dns.is

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimizationtutor.com (unsigned zone)

⏱️ Timing

Total: 190ms | Queries: -

📄 Records

TypeCountSample Data
A154.237.57.21
NS2ns1.namepros-dns.com, ns2.brokerage.ns.namepros-dns.is
TXT1v=spf1 -all
SOA1ns1.namepros-dns.com dns.namepros.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns1.namepros-dns.com)

Analysis

IP Addresses

optimizationtutor.com points to a single IP number: 54.237.57.21.

Additional host names — neukam.com, yemeo.com, dipo.co and two others — share IP numbers with optimizationtutor.com.

Name Servers

The NS records for optimizationtutor.com delegate to ns1.namepros-dns.com and ns2.brokerage.ns.namepros-dns.is.

optimizationtutor.com shares its name server setup with other domains, including transporteterrestre.com, omnicongroup.com, (0x706f726e)dj.com and two others.

There is at least partial name server overlap between optimizationtutor.com and other domains — ubercoders.com, buenn.com, clickandcart.com and two more among them.

These name servers regularly appear alongside ns2.f5f895r3r6zmmpsm2h92.ns.namepros-dns.is, ns2.abdulbasit.ns.namepros-dns.is, ns2.namepros-dns.is and 7 other name servers in NS record sets.

ns1.namepros-dns.com → 54.237.57.21 and ns2.brokerage.ns.namepros-dns.is → 3.233.30.191: one IP number per host name.