`impactsocialstudies.com`

DNSSEC	⚠️ Not signed
A	192.243.85.12^{🇺🇸 F5192.243.85.0/24 hosted}
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 -all`
SOA	`pdns85.ultradns.com`hostmaster@mheducation.com 2018-11-05 #16

`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=1777025666

Same first word

impactsocialstudies.com

DNS History

5 records (5 active, 0 former)

●NSpdns85.ultradns.biz2026-04-23 → 2026-04-24 · 2 obs

● 2026-04-23 00:56:38
● 2026-04-24 10:30:10

●NSpdns85.ultradns.com2026-04-23 → 2026-04-24 · 2 obs

● 2026-04-23 00:56:38
● 2026-04-24 10:30:10

●NSpdns85.ultradns.net2026-04-23 → 2026-04-24 · 2 obs

● 2026-04-23 00:56:38
● 2026-04-24 10:30:10

●NSpdns85.ultradns.org2026-04-23 → 2026-04-24 · 2 obs

● 2026-04-23 00:56:38
● 2026-04-24 10:30:10

●A192.243.85.122026-04-23 → 2026-04-24 · 2 obs

● 2026-04-23 00:56:38
● 2026-04-24 10:30:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...	-
impactsocialstudies.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 impactsocialstudies.com (unsigned zone)

⏱️ Timing

Total: 447ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.243.85.12`
NS	4	`pdns85.ultradns.biz, pdns85.ultradns.com...`
TXT	1	`v=spf1 -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

impactsocialstudies.com points to a single IP: 192.243.85.12.

Other host names, for instance revealmath.com, mcgrawhillnetworks.com, revealmathematics.net, revealmath.info and highschoolequivalency.com share IP numbers with impactsocialstudies.com.

Name Servers

impactsocialstudies.com's delegation is handled by four name servers: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.

impactsocialstudies.com partially shares name servers with other domains; examples include smartyants.co.kr, ilnumberworlds.com, connecteconomics.ca, connectmgrawhill.com and fuenteslab.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

impactsocialstudies.com - robtex.com