exceptionalstudents.net - robtex.com

exceptionalstudents.net

DNSSEC⚠️ Not signed
NSpdns85.ultradns.com ⭐
A2001:502:f3ff::79🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns85.ultradns.com
A156.154.64.85🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRpdns85.ultradns.com
NSpdns85.ultradns.biz
A2610:a1:1015::79🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns85.ultradns.biz
A156.154.66.85🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRpdns85.ultradns.biz
NSpdns85.ultradns.net
A2610:a1:1014::79🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns85.ultradns.net
A156.154.65.85🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRpdns85.ultradns.net
NSpdns85.ultradns.org
A2001:502:4612::79🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns85.ultradns.org
A156.154.67.85🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRpdns85.ultradns.org
TXTv=spf1 mx -all
SOApdns85.ultradns.comhostmaster@mheducation.com 2023-09-22 #5

net

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=1776009272

Same first word

exceptionalstudents.com
exceptionalstudents.net

DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026NSpdns85.ultradns.bizpdns85.ultradns.compdns85.ultradns.netpdns85.ultradns.orgns41.domaincontrol.comns42.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA184.168.221.30
○NSns41.domaincontrol.com2015-06-24 → 2017-04-10 · 3 obs
● 2015-06-24 07:27:30
● 2017-04-10 19:42:48
○ 2026-04-12 16:20:16
○NSns42.domaincontrol.com2015-06-24 → 2017-04-10 · 3 obs
● 2015-06-24 07:27:30
● 2017-04-10 19:42:48
○ 2026-04-12 16:20:16
●NSpdns85.ultradns.biz2026-04-12 → 2026-04-12 · 2 obs
○ 2017-04-10 19:42:48
● 2026-04-12 16:20:16
●NSpdns85.ultradns.com2026-04-12 → 2026-04-12 · 2 obs
○ 2017-04-10 19:42:48
● 2026-04-12 16:20:16
●NSpdns85.ultradns.net2026-04-12 → 2026-04-12 · 2 obs
○ 2017-04-10 19:42:48
● 2026-04-12 16:20:16
●NSpdns85.ultradns.org2026-04-12 → 2026-04-12 · 2 obs
○ 2017-04-10 19:42:48
● 2026-04-12 16:20:16
○MXmailstore1.secureserver.net2015-06-24 → 2017-04-10 · 3 obs
● 2015-06-24 07:27:30
● 2017-04-10 19:42:48
○ 2026-04-12 16:20:16
○MXsmtp.secureserver.net2015-06-24 → 2017-04-10 · 3 obs
● 2015-06-24 07:27:30
● 2017-04-10 19:42:48
○ 2026-04-12 16:20:16
○A184.168.221.302015-06-24 → 2017-04-10 · 3 obs
● 2015-06-24 07:27:30
● 2017-04-10 19:42:48
○ 2026-04-12 16:20:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neti.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...-
exceptionalstudents.netpdns85.ultradns.net, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org2 records

✅ Authoritative Response

Server:156.154.66.85

NS records: pdns85.ultradns.net, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for exceptionalstudents.net (unsigned zone)

⏱️ Timing

Total: 1077ms | Queries: -

📄 Records

TypeCountSample Data
NS4pdns85.ultradns.biz, pdns85.ultradns.com...
TXT1v=spf1 mx -all
SOA1pdns85.ultradns.com hostmaster.mheducati

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns85.ultradns.net, pdns85.ultradns.net)

Analysis

Name Servers

exceptionalstudents.net is delegated to four name servers: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.

At least part of the name servers for exceptionalstudents.net are shared with other domains, for instance connectcalculus.com, primisonline.com, connectdevmath.com, cms-mhe.com and mghr.com.

Host names with two IP numbers:

pdns85.ultradns.biz points to: 2610:a1:1015::79 and 156.154.66.85

pdns85.ultradns.com points to: 2001:502:f3ff::79 and 156.154.64.85

pdns85.ultradns.net points to: 2610:a1:1014::79 and 156.154.65.85

pdns85.ultradns.org points to: 2001:502:4612::79 and 156.154.67.85