`algebrareadiness.com`

DNSSEC	⚠️ Not signed
A	204.74.99.100^{🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar}
		PTR	`crs.ultradns.net`
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 2014-06-08 #18

`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=1777086411

Same first word

algebrareadiness.com

DNS History

7 records (6 active, 1 former)

●NSpdns85.ultradns.biz2015-07-12 → 2026-04-25 · 2 obs

● 2015-07-12 00:39:30
● 2026-04-25 03:32:46

●NSpdns85.ultradns.com2015-07-12 → 2026-04-25 · 2 obs

● 2015-07-12 00:39:30
● 2026-04-25 03:32:46

●NSpdns85.ultradns.net2015-07-12 → 2026-04-25 · 2 obs

● 2015-07-12 00:39:30
● 2026-04-25 03:32:46

●NSpdns85.ultradns.org2015-07-12 → 2026-04-25 · 2 obs

● 2015-07-12 00:39:30
● 2026-04-25 03:32:46

●MXmail.eppg.com2015-07-12 → 2026-04-25 · 2 obs

● 2015-07-12 00:39:30
● 2026-04-25 03:32:46

○A192.243.93.752015-07-12 → 2017-08-18 · 4 obs

● 2015-07-12 00:39:30
● 2017-08-18 05:51:42
○ 2026-04-24 21:51:56
○ 2026-04-25 03:32:46

●A204.74.99.1002026-04-24 → 2026-04-25 · 3 obs

○ 2017-08-18 05:51:42
● 2026-04-24 21:51:56
● 2026-04-25 03:32:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net...	-
algebrareadiness.com	pdns85.ultradns.net, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org	2 records

✅ Authoritative Response

Server:156.154.67.85

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algebrareadiness.com (unsigned zone)

⏱️ Timing

Total: 385ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.74.99.100`
NS	4	`pdns85.ultradns.biz, pdns85.ultradns.com...`
MX	1	`mail.eppg.com (pri: 0)`
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

algebrareadiness.com points to a single IP: 204.74.99.100.

Other host names, for instance www.intraware.com, humanaspec.com, vitros.com, landscapingbyterrain.com and 800kbb.com share IP numbers with algebrareadiness.com.

Name Servers

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

algebrareadiness.com at least partially shares its name servers with other domains, for instance mcgrawhillcreate.ca, engradeid.com, myguide4california.com, revealmathematics.net and mcdonaldsbook.com.

Host names with two IPs: 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

algebrareadiness.com is served by a single mail server, mail.eppg.com.

algebrareadiness.com uses the same mail server setup as other domains such as albertabiology.com, apstudysuccess.com, architectsbookclub.com, fitzpatricksdermatology.com and iteachanatomy.com.

algebrareadiness.com shares some mail servers with other domains, including mhhebookstore.com, mcgraw-hill.com.mx, yearlyprogresspro.com, mhdigitallearning.com and glencoewriting.com.

algebrareadiness.com - robtex.com