mastermindprep.com - robtex.com

mastermindprep.com

DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix
NSns1.namebrightdns.com ⭐
A2600:1f18:683a:ae1a:b2a:8d3a:3c82:4d19🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:7d90:588a:6ca9:2575🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:bd99:2db7:ef28:c270🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:29d6:f3c9:5c80:38af🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:f550:b612:e6b5:b2e5🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.90.20.41🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-90-20-41.compute-1.amazonaws.com
A18.213.2.90🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix
PTRec2-18-213-2-90.compute-1.amazonaws.com
A34.227.194.80🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix
PTRec2-34-227-194-80.compute-1.amazonaws.com
A54.159.91.195🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix
PTRec2-54-159-91-195.compute-1.amazonaws.com
A54.166.135.1🇺🇸 Amazon54.166.0.0/15 EC2 IAD prefix
PTRec2-54-166-135-1.compute-1.amazonaws.com
A54.196.27.80🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15
PTRec2-54-196-27-80.compute-1.amazonaws.com
A54.205.240.161🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix
PTRec2-54-205-240-161.compute-1.amazonaws.com
A100.24.8.19🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix
PTRec2-100-24-8-19.compute-1.amazonaws.com
NSnsg1.namebrightdns.com
A2600:1f18:683a:ae1a:2162:1161:bf5:bac0🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:683e:b359:e13d:6b0a🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:1163:ec6:b063:51c8🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:4136:eadb:bc78:9b77🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:9806:d504:f0e4:26c🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.85.217.230🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-85-217-230.compute-1.amazonaws.com
A3.93.7.56🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-93-7-56.compute-1.amazonaws.com
A44.220.149.224🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-220-149-224.compute-1.amazonaws.com
A54.91.238.118🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix
PTRec2-54-91-238-118.compute-1.amazonaws.com
A54.226.64.89🇺🇸 Amazon54.226.0.0/15 EC2 IAD prefix
PTRec2-54-226-64-89.compute-1.amazonaws.com
NSnsg2.namebrightdns.com
A2600:1f18:683a:ae1a:90fe:9dde:8f8f:2167🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:b9cf:f452:709a:baee🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:6e0:8d20:f757:f42e🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:1f3c:eb29:bb01:4f95🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A13.218.37.139🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
PTRec2-13-218-37-139.compute-1.amazonaws.com
A52.90.182.127🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix
PTRec2-52-90-182-127.compute-1.amazonaws.com
A54.80.96.143🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix
PTRec2-54-80-96-143.compute-1.amazonaws.com
A54.196.231.29🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15
PTRec2-54-196-231-29.compute-1.amazonaws.com
A98.94.88.109🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix
PTRec2-98-94-88-109.compute-1.amazonaws.com
TXTv=spf1 -all
TXTafternic-verification-G9G3tM8T8EwEizzPzjGJWF
SOAns1.namebrightdns.comdns@namebright.com 2026-03-30 #1

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=1774859977

Subdomains

www.mastermindprep.com

Same first word

mastermindprep.com

DNS History

23 records (7 active, 16 former)

20162017201820192020202120222023202420252026NSns1.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comdns.site5.comdns2.site5.comns1.bluehost.comns2.bluehost.comMXfallbackmx.spamexperts.eulastmx.spamexperts.netmx.spamexperts.commx1.emailsrvr.commx2.emailsrvr.comA13.223.25.842600:1f18:4ae:c605:dd5d:b838:5816:d7fb2600:1f18:4ae:c606:78d4:4260:db4e:aeee54.243.117.197143.95.149.2232600:1f18:4ae:c605:f094:2a0a:4985:526e2600:1f18:4ae:c606:def:b9d9:eb9e:776650.22.11.3352.201.53.16674.220.219.7898.82.42.139
○NSdns.site5.com2015-08-05 → 2016-06-25 · 4 obs
● 2015-08-05 01:09:46
● 2016-06-25 22:40:44
○ 2017-02-15 07:54:08
○ 2026-03-30 08:58:10
○NSdns2.site5.com2015-08-05 → 2016-06-25 · 4 obs
● 2015-08-05 01:09:46
● 2016-06-25 22:40:44
○ 2017-02-15 07:54:08
○ 2026-03-30 08:58:10
○NSns1.bluehost.com2017-02-15 → 2018-12-07 · 5 obs
○ 2016-06-25 22:40:44
● 2017-02-15 07:54:08
● 2018-12-07 08:02:16
○ 2026-03-11 18:46:38
○ 2026-03-30 08:58:10
●NSns1.namebrightdns.com2026-03-11 → 2026-03-30 · 3 obs
○ 2018-12-07 08:02:16
● 2026-03-11 18:46:38
● 2026-03-30 08:58:10
○NSns2.bluehost.com2017-02-15 → 2018-12-07 · 5 obs
○ 2016-06-25 22:40:44
● 2017-02-15 07:54:08
● 2018-12-07 08:02:16
○ 2026-03-11 18:46:38
○ 2026-03-30 08:58:10
●NSnsg1.namebrightdns.com2026-03-11 → 2026-03-30 · 3 obs
○ 2018-12-07 08:02:16
● 2026-03-11 18:46:38
● 2026-03-30 08:58:10
●NSnsg2.namebrightdns.com2026-03-11 → 2026-03-30 · 3 obs
○ 2018-12-07 08:02:16
● 2026-03-11 18:46:38
● 2026-03-30 08:58:10
○MXfallbackmx.spamexperts.eu2017-02-15 → 2018-12-07 · 5 obs
○ 2016-06-25 22:40:44
● 2017-02-15 07:54:08
● 2018-12-07 08:02:16
○ 2026-03-11 18:46:38
○ 2026-03-30 08:58:10
○MXlastmx.spamexperts.net2017-02-15 → 2018-12-07 · 5 obs
○ 2016-06-25 22:40:44
● 2017-02-15 07:54:08
● 2018-12-07 08:02:16
○ 2026-03-11 18:46:38
○ 2026-03-30 08:58:10
○MXmx.spamexperts.com2017-02-15 → 2018-12-07 · 5 obs
○ 2016-06-25 22:40:44
● 2017-02-15 07:54:08
● 2018-12-07 08:02:16
○ 2026-03-11 18:46:38
○ 2026-03-30 08:58:10
○MXmx1.emailsrvr.com2015-08-05 → 2016-06-25 · 4 obs
● 2015-08-05 01:09:46
● 2016-06-25 22:40:44
○ 2017-02-15 07:54:08
○ 2026-03-30 08:58:10
○MXmx2.emailsrvr.com2015-08-05 → 2016-06-25 · 4 obs
● 2015-08-05 01:09:46
● 2016-06-25 22:40:44
○ 2017-02-15 07:54:08
○ 2026-03-30 08:58:10
●A13.223.25.842026-03-12 → 2026-03-30 · 3 obs
○ 2026-03-11 18:46:38
● 2026-03-12 13:39:10
● 2026-03-30 08:58:10
○A143.95.149.2232016-06-25 → 2016-06-25 · 4 obs
○ 2016-02-27 01:42:26
● 2016-06-25 22:40:44
○ 2017-02-15 07:54:08
○ 2026-03-30 08:58:10
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-12 → 2026-03-30 · 3 obs
○ 2026-03-11 18:46:38
● 2026-03-12 13:39:10
● 2026-03-30 08:58:10
○A2600:1f18:4ae:c605:f094:2a0a:4985:526e2026-03-11 → 2026-03-11 · 4 obs
○ 2018-12-07 08:02:16
● 2026-03-11 18:46:38
○ 2026-03-12 13:39:10
○ 2026-03-30 08:58:10
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-12 → 2026-03-30 · 3 obs
○ 2026-03-11 18:46:38
● 2026-03-12 13:39:10
● 2026-03-30 08:58:10
○A2600:1f18:4ae:c606:def:b9d9:eb9e:77662026-03-11 → 2026-03-11 · 4 obs
○ 2018-12-07 08:02:16
● 2026-03-11 18:46:38
○ 2026-03-12 13:39:10
○ 2026-03-30 08:58:10
○A50.22.11.332015-08-05 → 2016-02-27 · 4 obs
● 2015-08-05 01:09:46
● 2016-02-27 01:42:26
○ 2016-06-25 22:40:44
○ 2026-03-30 08:58:10
○A52.201.53.1662026-03-11 → 2026-03-11 · 4 obs
○ 2018-12-07 08:02:16
● 2026-03-11 18:46:38
○ 2026-03-12 13:39:10
○ 2026-03-30 08:58:10
●A54.243.117.1972026-03-12 → 2026-03-30 · 3 obs
○ 2026-03-11 18:46:38
● 2026-03-12 13:39:10
● 2026-03-30 08:58:10
○A74.220.219.782017-02-15 → 2018-12-07 · 5 obs
○ 2016-06-25 22:40:44
● 2017-02-15 07:54:08
● 2018-12-07 08:02:16
○ 2026-03-11 18:46:38
○ 2026-03-30 08:58:10
○A98.82.42.1392026-03-11 → 2026-03-11 · 4 obs
○ 2018-12-07 08:02:16
● 2026-03-11 18:46:38
○ 2026-03-12 13:39:10
○ 2026-03-30 08:58:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
mastermindprep.comnsg1.namebrightdns.com, nsg2.namebrightdns.com20 records

✅ Authoritative Response

Server:3.85.217.230

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastermindprep.com (unsigned zone)

⏱️ Timing

Total: 152ms | Queries: -

📄 Records

TypeCountSample Data
A254.243.117.197, 13.223.25.84
AAAA22600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee
NS2nsg2.namebrightdns.com, nsg1.namebrightdns.com
TXT2v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj
SOA1ns1.namebrightdns.com dns.namebright.com

📌 Glue Records Collected

Total: 20

Out-of-bailiwick: 20 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

Hierarchy

www.mastermindprep.com is a child of mastermindprep.com.

IP Addresses

mastermindprep.com refers to four IP numbers: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

Other host names, for instance eformulare.com, abablog.com, scsol.com, tuanbase.com and aython.com share IP numbers with mastermindprep.com.

Name Servers

mastermindprep.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

mastermindprep.com at least partially shares name servers with other domains, including mx2.mangabest.com, mj91.com, wellington.barebonez.com, mcaway.com and www.losteatinos.com.

These name servers are commonly used with ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names with thirteen IP numbers:

The host name ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:b2a:8d3a:3c82:4d19, 2600:1f18:683a:ae1a:7d90:588a:6ca9:2575, 2600:1f18:683a:ae1a:bd99:2db7:ef28:c270, 2600:1f18:683a:ae1b:29d6:f3c9:5c80:38af, 2600:1f18:683a:ae1b:f550:b612:e6b5:b2e5, 3.90.20.41, 18.213.2.90, 34.227.194.80, 54.159.91.195, 54.166.135.1, 54.196.27.80, 54.205.240.161 and 100.24.8.19.

Host names with ten IP numbers:

The host name nsg1.namebrightdns.com points to: 2600:1f18:683a:ae1a:2162:1161:bf5:bac0, 2600:1f18:683a:ae1a:683e:b359:e13d:6b0a, 2600:1f18:683a:ae1b:1163:ec6:b063:51c8, 2600:1f18:683a:ae1b:4136:eadb:bc78:9b77, 2600:1f18:683a:ae1b:9806:d504:f0e4:26c, 3.85.217.230, 3.93.7.56, 44.220.149.224, 54.91.238.118 and 54.226.64.89.

The host name nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:90fe:9dde:8f8f:2167, 2600:1f18:683a:ae1a:b9cf:f452:709a:baee, 2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a, 2600:1f18:683a:ae1b:6e0:8d20:f757:f42e, 2600:1f18:683a:ae1b:1f3c:eb29:bb01:4f95, 13.218.37.139, 52.90.182.127, 54.80.96.143, 54.196.231.29 and 98.94.88.109.