`accesscience.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`
TXT	`v=spf1 mx -all`
SOA	`pdns85.ultradns.com`hostmaster@mheducation.com 2014-12-04 #8

`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=1777051416

Same first word

accesscience.com

DNS History

14 records (5 active, 9 former)

○NSauth111.ns.uu.net2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 17:26:02
○ 2015-06-13 06:06:40
○ 2026-04-24 17:50:52

○NSauth120.ns.uu.net2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 17:26:02
○ 2015-06-13 06:06:40
○ 2026-04-24 17:50:52

○NSns-01a.ans.net2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 17:26:02
○ 2015-06-13 06:06:40
○ 2026-04-24 17:50:52

○NSns-01b.ans.net2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 17:26:02
○ 2015-06-13 06:06:40
○ 2026-04-24 17:50:52

○NSns-02a.ans.net2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 17:26:02
○ 2015-06-13 06:06:40
○ 2026-04-24 17:50:52

○NSns-02b.ans.net2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 17:26:02
○ 2015-06-13 06:06:40
○ 2026-04-24 17:50:52

○NSns1.mhedu.com2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 17:26:02
○ 2015-06-13 06:06:40
○ 2026-04-24 17:50:52

○NSns2.mhedu.com2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 17:26:02
○ 2015-06-13 06:06:40
○ 2026-04-24 17:50:52

○NSns3.mhedu.com2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 17:26:02
○ 2015-06-13 06:06:40
○ 2026-04-24 17:50:52

●NSpdns85.ultradns.biz2015-06-13 → 2026-04-24 · 3 obs

○ 2007-10-27 17:26:02
● 2015-06-13 06:06:40
● 2026-04-24 17:50:52

●NSpdns85.ultradns.com2015-06-13 → 2026-04-24 · 3 obs

○ 2007-10-27 17:26:02
● 2015-06-13 06:06:40
● 2026-04-24 17:50:52

●NSpdns85.ultradns.net2015-06-13 → 2026-04-24 · 3 obs

○ 2007-10-27 17:26:02
● 2015-06-13 06:06:40
● 2026-04-24 17:50:52

●NSpdns85.ultradns.org2015-06-13 → 2026-04-24 · 3 obs

○ 2007-10-27 17:26:02
● 2015-06-13 06:06:40
● 2026-04-24 17:50:52

●A216.30.190.2172007-10-27 → 2026-04-24 · 2 obs

● 2007-10-27 17:26:02
● 2026-04-24 17:50:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net...	-
accesscience.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 accesscience.com (unsigned zone)

⏱️ Timing

Total: 406ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.30.190.217`
NS	4	`pdns85.ultradns.biz, pdns85.ultradns.com...`
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

accesscience.com resolves to one IP number: 216.30.190.217.

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

Name Servers

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

accesscience.com at least partially shares name servers with other domains, for instance alloyacorp.org, nutritioncalc3.mcgraw-hill.com, topclassroom.net, mheliteracycanada.ca and millermath.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.

accesscience.com - robtex.com