smartstudyguides.com - robtex.com

smartstudyguides.com

DNSSEC⚠️ Not signed
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
MXmx1.smartstudyguides.com ⭐
A192.161.173.2🇺🇸 Colocrossing-AS192.161.173.0/24 ColoCrossing Route Object - AS36352
PTR192-161-173-2-host.colocrossing.com
MXmx3.smartstudyguides.com(30)
A167.160.160.2🇺🇸 Colocrossing-AS167.160.160.0/24 ColoCrossing Route Object - AS36352
TXTv=spf1 ip4:96.47.34.78/32 ip4:96.47.34.55/32 a mx ~all
SOAdns1.registrar-servers.comhostmaster@registrar-servers.com serial=1767620373

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=1776045702

Subdomains

mx1.smartstudyguides.com
mx3.smartstudyguides.com
yasu55.smartstudyguides.com

Same first word

smartstudyguides.com

DNS History

13 records (4 active, 9 former)

20162017201820192020202120222023202420252026NSdns1.registrar-servers.comdns2.registrar-servers.coma.ns.interland.neta.ns36.deb.ns.interland.netb.ns36.dec.ns.interland.netMXmx1.smartstudyguides.commx3.smartstudyguides.commail-gateway.domcollect.commx.myregisteredsite.comA206.188.192.4091.195.241.121
○NSa.ns.interland.net2016-09-16 → 2017-04-09 · 5 obs
○ 2015-12-20 03:31:54
● 2016-09-16 21:12:36
● 2017-04-09 12:44:54
○ 2026-02-17 07:06:56
○ 2026-04-13 02:07:14
○NSa.ns36.de2015-10-17 → 2015-10-17 · 3 obs
● 2015-10-17 16:01:40
○ 2015-12-20 03:31:54
○ 2026-04-13 02:07:14
○NSb.ns.interland.net2016-09-16 → 2017-04-09 · 5 obs
○ 2015-12-20 03:31:54
● 2016-09-16 21:12:36
● 2017-04-09 12:44:54
○ 2026-02-17 07:06:56
○ 2026-04-13 02:07:14
○NSb.ns36.de2015-10-17 → 2015-10-17 · 3 obs
● 2015-10-17 16:01:40
○ 2015-12-20 03:31:54
○ 2026-04-13 02:07:14
○NSc.ns.interland.net2016-09-16 → 2017-04-09 · 5 obs
○ 2015-12-20 03:31:54
● 2016-09-16 21:12:36
● 2017-04-09 12:44:54
○ 2026-02-17 07:06:56
○ 2026-04-13 02:07:14
●NSdns1.registrar-servers.com2026-02-17 → 2026-04-13 · 3 obs
○ 2017-04-09 12:44:54
● 2026-02-17 07:06:56
● 2026-04-13 02:07:14
●NSdns2.registrar-servers.com2026-02-17 → 2026-04-13 · 3 obs
○ 2017-04-09 12:44:54
● 2026-02-17 07:06:56
● 2026-04-13 02:07:14
○MXmail-gateway.domcollect.com2015-10-17 → 2015-10-17 · 3 obs
● 2015-10-17 16:01:40
○ 2015-12-20 03:31:54
○ 2026-04-13 02:07:14
○MXmx.myregisteredsite.com2016-09-16 → 2017-04-09 · 5 obs
○ 2015-12-20 03:31:54
● 2016-09-16 21:12:36
● 2017-04-09 12:44:54
○ 2026-02-17 07:06:56
○ 2026-04-13 02:07:14
●MXmx1.smartstudyguides.com2026-02-17 → 2026-04-13 · 3 obs
○ 2017-04-09 12:44:54
● 2026-02-17 07:06:56
● 2026-04-13 02:07:14
●MXmx3.smartstudyguides.com2026-02-17 → 2026-04-13 · 3 obs
○ 2017-04-09 12:44:54
● 2026-02-17 07:06:56
● 2026-04-13 02:07:14
○A206.188.192.402016-09-16 → 2026-02-17 · 5 obs
○ 2015-12-20 03:31:54
● 2016-09-16 21:12:36
● 2026-02-17 07:53:34
○ 2026-02-25 09:31:46
○ 2026-04-13 02:07:14
○A91.195.241.1212015-10-17 → 2015-10-17 · 3 obs
● 2015-10-17 16:01:40
○ 2015-12-20 03:31:54
○ 2026-04-13 02:07:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...-
smartstudyguides.comdns1.registrar-servers.com, dns2.registrar-servers.com4 records

✅ Authoritative Response

Server:156.154.133.200

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartstudyguides.com (unsigned zone)

⏱️ Timing

Total: 308ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns1.registrar-servers.com, dns2.registrar-servers.com
MX2mx1.smartstudyguides.com (pri: 10), mx3.smartstudyguides.com (pri: 30)
TXT1v=spf1 ip4:96.47.34.78/32 ip4:96.47.34.5
SOA1dns1.registrar-servers.com hostmaster.re

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)

Analysis

Hierarchy

smartstudyguides.com is a parent of mx1.smartstudyguides.com, mx3.smartstudyguides.com and yasu55.smartstudyguides.com.

Name Servers

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

smartstudyguides.com shares the same name server setup as other domains, for example forkidsonlycdc.com, holler.me.uk, empirewebsource.com, digitalriverton.com and monkcreek.com.

smartstudyguides.com at least partially shares name servers with other domains, for instance avras.eu, nuvi.in, nyackbicyclerentals.com, s2sunion.com and caniky.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

smartstudyguides.com is handled by two mail servers: mx1.smartstudyguides.com and mx3.smartstudyguides.com.

Host names with one IP number:

The host mx1.smartstudyguides.com points to 192.161.173.2 and the host mx3.smartstudyguides.com points to 167.160.160.2.