`readingnavigator.com`

DNSSEC	⚠️ Not signed
A	192.243.83.198
NS	`pdns85.ultradns.com` ⭐
		A	2001:502:f3ff::79^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns85.ultradns.com`
		A	156.154.64.85^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns85.ultradns.com`
NS	`pdns85.ultradns.biz`
		A	2610:a1:1015::79^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns85.ultradns.biz`
		A	156.154.66.85^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns85.ultradns.biz`
NS	`pdns85.ultradns.net`
		A	2610:a1:1014::79^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns85.ultradns.net`
		A	156.154.65.85^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns85.ultradns.net`
NS	`pdns85.ultradns.org`
		A	2001:502:4612::79^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns85.ultradns.org`
		A	156.154.67.85^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns85.ultradns.org`
MX	`mail.eppg.com` ⭐
TXT	`v=spf1 mx -all`
SOA	`pdns85.ultradns.com`hostmaster@mheducation.com 2014-12-04 #14

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777049586

Same first word

readingnavigator.com

DNS History

6 records (6 active, 0 former)

●NSpdns85.ultradns.biz2015-08-22 → 2026-04-24 · 2 obs

● 2015-08-22 07:13:38
● 2026-04-24 17:18:22

●NSpdns85.ultradns.com2015-08-22 → 2026-04-24 · 2 obs

● 2015-08-22 07:13:38
● 2026-04-24 17:18:22

●NSpdns85.ultradns.net2015-08-22 → 2026-04-24 · 2 obs

● 2015-08-22 07:13:38
● 2026-04-24 17:18:22

●NSpdns85.ultradns.org2015-08-22 → 2026-04-24 · 2 obs

● 2015-08-22 07:13:38
● 2026-04-24 17:18:22

●MXmail.eppg.com2015-08-22 → 2026-04-24 · 2 obs

● 2015-08-22 07:13:38
● 2026-04-24 17:18:22

●A192.243.83.1982015-08-22 → 2026-04-24 · 2 obs

● 2015-08-22 07:13:38
● 2026-04-24 17:18:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net...	-
readingnavigator.com	pdns85.ultradns.net, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org	2 records

✅ Authoritative Response

Server:156.154.65.85

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readingnavigator.com (unsigned zone)

⏱️ Timing

Total: 676ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.243.83.198`
NS	4	`pdns85.ultradns.biz, pdns85.ultradns.com...`
MX	1	`mail.eppg.com (pri: 5)`
TXT	1	`v=spf1 mx -all`
SOA	1	`pdns85.ultradns.com hostmaster.mheducati`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

readingnavigator.com points to a single IP address: 192.243.83.198.

Other host names, for example www.jrnstudents.com, jrnstudent.com and jrnstudents.com share IPs with readingnavigator.com.

Name Servers

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

readingnavigator.com at least partially shares name servers with other domains, for example mcgraw-hill.com, iteach-highered.com, mcgrawhill.ag, switchtoquicken.com and sratk.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

Mail Servers

The mail.eppg.com mail server handles readingnavigator.com.

readingnavigator.com shares the same mail server setup as other domains, including realmath.com, chisholmpharmacotherapy.com, pagebeta.net, albertabiology.com and apstudysuccess.com.

readingnavigator.com shares at least partially some mail servers with other domains, for instance mcgraw-hill.com.mx, yearlyprogresspro.com, mhdigitallearning.com, glencoewriting.com and wecanenglishclub.com.

readingnavigator.com - robtex.com