`supercyclesbook.com`

DNSSEC	⚠️ Not signed
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 2014-12-04 #22

`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=1777031186

Same first word

supercyclesbook.com

DNS History

6 records (5 active, 1 former)

●NSpdns85.ultradns.biz2015-08-07 → 2026-04-24 · 2 obs

● 2015-08-07 19:19:22
● 2026-04-24 11:59:10

●NSpdns85.ultradns.com2015-08-07 → 2026-04-24 · 2 obs

● 2015-08-07 19:19:22
● 2026-04-24 11:59:10

●NSpdns85.ultradns.net2015-08-07 → 2026-04-24 · 2 obs

● 2015-08-07 19:19:22
● 2026-04-24 11:59:10

●NSpdns85.ultradns.org2015-08-07 → 2026-04-24 · 2 obs

● 2015-08-07 19:19:22
● 2026-04-24 11:59:10

●MXmail.eppg.com2015-08-07 → 2026-04-24 · 2 obs

● 2015-08-07 19:19:22
● 2026-04-24 11:59:10

○A204.74.99.1002015-08-07 → 2017-03-30 · 4 obs

● 2015-08-07 19:19:22
● 2017-03-30 16:49:36
○ 2020-02-27 22:22:20
○ 2026-04-24 11:59:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net...	-
supercyclesbook.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 supercyclesbook.com (unsigned zone)

⏱️ Timing

Total: 180ms | Queries: -

📄 Records

Type	Count	Sample Data
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

Name Servers

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

supercyclesbook.com partially shares name servers with other domains; examples include myopencourt.com, mcgraw-hill-ryerson.org, mhrln.com, connectmktg.net and gfienergy.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

Mail Servers

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

supercyclesbook.com has the same mail server setup as other domains, including mcconnellbriefmicro1e.com, mhschool.com, diagnosaurus.com, mhnursetonurse.com and millermath.com.

supercyclesbook.com shares some mail servers with other domains, at least partially, such as mcgraw-hill.com.au, symptomtodiagnosis.com, kaleidoscopeintervention.com, mhln.com and wglead21.com.

supercyclesbook.com - robtex.com