`accessmcgrawhill.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 2014-08-15 #23

`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=1775964677

Same first word

accessmcgrawhill.com

DNS History

6 records (6 active, 0 former)

●NSpdns85.ultradns.biz2015-05-20 → 2026-04-12 · 2 obs

● 2015-05-20 10:33:38
● 2026-04-12 03:42:16

●NSpdns85.ultradns.com2015-05-20 → 2026-04-12 · 2 obs

● 2015-05-20 10:33:38
● 2026-04-12 03:42:16

●NSpdns85.ultradns.net2015-05-20 → 2026-04-12 · 2 obs

● 2015-05-20 10:33:38
● 2026-04-12 03:42:16

●NSpdns85.ultradns.org2015-05-20 → 2026-04-12 · 2 obs

● 2015-05-20 10:33:38
● 2026-04-12 03:42:16

●MXmail.eppg.com2015-05-20 → 2026-04-12 · 2 obs

● 2015-05-20 10:33:38
● 2026-04-12 03:42:16

●A204.74.99.1002015-05-20 → 2026-04-12 · 2 obs

● 2015-05-20 10:33:38
● 2026-04-12 03:42:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net...	-
accessmcgrawhill.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 accessmcgrawhill.com (unsigned zone)

⏱️ Timing

Total: 397ms | 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: 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

accessmcgrawhill.com resolves to a single IP address: 204.74.99.100.

Other host names including expdeia.ca, www.carpinteriaayso.clubspaces.com, mbfall.com, churchfurniture4less.com and bluemapdtx.com share IP numbers with accessmcgrawhill.com.

Name Servers

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

accessmcgrawhill.com at least partially shares name servers with other domains, including mh-act-top50engreadsci.com, harrisonspointofcare.com, epd-mh.com, connecthist.com and glencoe.mcgraw-hill.com.

Hosts with two IP numbers:

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

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

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

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

Mail Servers

accessmcgrawhill.com is handled by a single mail server, mail.eppg.com.

accessmcgrawhill.com shares its mail server setup with other domains, including accessmedbooks.com, mhcls.com, nrischools.com, wgeri.com and iteachmicrobiology.com.

The mail servers for accessmcgrawhill.com are shared with other domains, for instance mcgraw-hill.com.au, goodmanandgilman.com, firstaidreview.com, mhcares.org and srailabs.com.

accessmcgrawhill.com - robtex.com