`access-science.com`

DNSSEC	⚠️ Not signed
A	216.30.190.217^{🇺🇸 BRI-ASN216.30.176.0/20 BLUE-RIDGE-INTERNETWORKS}
		PTR	`kino.briworks.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 serial=201310111

`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=1777036706

Same first word

access-science.com

DNS History

6 records (6 active, 0 former)

●NSpdns85.ultradns.biz2015-05-28 → 2026-04-24 · 2 obs

● 2015-05-28 14:39:46
● 2026-04-24 13:34:36

●NSpdns85.ultradns.com2015-05-28 → 2026-04-24 · 2 obs

● 2015-05-28 14:39:46
● 2026-04-24 13:34:36

●NSpdns85.ultradns.net2015-05-28 → 2026-04-24 · 2 obs

● 2015-05-28 14:39:46
● 2026-04-24 13:34:36

●NSpdns85.ultradns.org2015-05-28 → 2026-04-24 · 2 obs

● 2015-05-28 14:39:46
● 2026-04-24 13:34:36

●MXmail.eppg.com2015-05-28 → 2026-04-24 · 2 obs

● 2015-05-28 14:39:46
● 2026-04-24 13:34:36

●A216.30.190.2172015-05-28 → 2026-04-24 · 2 obs

● 2015-05-28 14:39:46
● 2026-04-24 13:34:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
access-science.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 access-science.com (unsigned zone)

⏱️ Timing

Total: 473ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.30.190.217`
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

access-science.com maps to IP address 216.30.190.217.

Other host names, for example, accesscience.com share IP numbers with access-science.com.

Name Servers

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

access-science.com at least partially shares name servers with other domains such as connectcomposition.com, iteach-globalsecurity.com, gedinternet.com, nynumberworlds.com and flnumberworlds.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

access-science.com is handled by a single mail server, mail.eppg.com.

access-science.com shares the same mail server setup as other domains, including mhdigitallearning.com, glencoewriting.com, wecanenglishclub.com, inquiryintobiology.com and careertexts.com.

access-science.com - robtex.com