`harrisonsmed.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 #21

`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=1777066151

WOT: UNKNOWN (68/100)

Same first word

harrisonsmed.com

Similar names

harrisondems.com

DNS History

8 records (6 active, 2 former)

●NSpdns85.ultradns.biz2015-07-01 → 2026-04-24 · 2 obs

● 2015-07-01 22:15:22
● 2026-04-24 21:35:04

●NSpdns85.ultradns.com2015-07-01 → 2026-04-24 · 2 obs

● 2015-07-01 22:15:22
● 2026-04-24 21:35:04

●NSpdns85.ultradns.net2015-07-01 → 2026-04-24 · 2 obs

● 2015-07-01 22:15:22
● 2026-04-24 21:35:04

●NSpdns85.ultradns.org2015-07-01 → 2026-04-24 · 2 obs

● 2015-07-01 22:15:22
● 2026-04-24 21:35:04

●MXmail.eppg.com2015-07-01 → 2026-04-24 · 2 obs

● 2015-07-01 22:15:22
● 2026-04-24 21:35:04

○A192.243.83.1772015-07-01 → 2016-07-05 · 4 obs

● 2015-07-01 22:15:22
● 2016-07-05 18:06:26
○ 2017-03-20 14:59:00
○ 2026-04-24 21:35:04

○A192.243.92.1922017-03-20 → 2017-03-20 · 4 obs

○ 2016-07-05 18:06:26
● 2017-03-20 14:59:00
○ 2026-04-23 20:48:24
○ 2026-04-24 21:35:04

●A204.74.99.1002026-04-23 → 2026-04-24 · 3 obs

○ 2017-03-20 14:59:00
● 2026-04-23 20:48:24
● 2026-04-24 21:35:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...	-
harrisonsmed.com	pdns85.ultradns.net, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org	2 records

✅ Authoritative Response

Server:156.154.66.85

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for harrisonsmed.com (unsigned zone)

⏱️ Timing

Total: 737ms | 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

harrisonsmed.com points to an IP address: 204.74.99.100.

other host names include geguardeon.com, www.fondation-suez.com, promisingyoungwomenmovie.com, staplesforstudents.org and hellocenterwelllouisville.com; they share IP numbers with harrisonsmed.com.

Name Servers

harrisonsmed.com delegates to four name servers: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.

harrisonsmed.com at least partially shares name servers with other domains, for instance mcgrawhilleducation.com, mcgraw-hillconnect.com, engradeil.com, impactmath.com and mheonline.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

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

harrisonsmed.com uses the same mail server setup as other domains, for instance operationsnow.com, scienceontario.com, gr1math.com, mcgrawhillconnect.com and realmath.com.

harrisonsmed.com shares at least partially some mail servers with other domains, for instance mcgraw-hill.com.au, readingnavigator.com, iteachmcgraw-hill.com, wgdlm.com and successingenetics.com.

harrisonsmed.com - robtex.com