iteachguide.com - robtex.com

iteachguide.com

DNSSEC⚠️ Not signed
NSpdns1.ultradns.net ⭐
A2001:502:f3ff::1🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns1.ultradns.net
A204.74.108.1🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar
PTRpdns1.ultradns.net
NSpdns2.ultradns.net
A2610:a1:1014::1🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns2.ultradns.net
A204.74.109.1🇺🇸 MAINT-ID-12008204.74.109.0/24 Neustar
PTRpdns2.ultradns.net
NSpdns3.ultradns.org
A2610:a1:1015::1🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns3.ultradns.org
A199.7.68.1🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar
PTRpdns3.ultradns.org
NSpdns4.ultradns.org
A2001:502:4612::1🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns4.ultradns.org
A199.7.69.1🇺🇸 MAINT-ID-12008199.7.69.0/24 Neustar
PTRpdns4.ultradns.org
NSpdns5.ultradns.info
A2610:a1:1016::1🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRpdns5.ultradns.info
A204.74.114.1🇺🇸 MAINT-ID-12008204.74.114.0/24 Neustar
PTRpdns5.ultradns.info
NSpdns6.ultradns.co.uk
A2610:a1:1017::1🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRpdns6.ultradns.co.uk
A204.74.115.1🇺🇸 MAINT-ID-12008204.74.115.0/24 Neustar
PTRpdns6.ultradns.co.uk
TXTv=spf1 -all
SOApdns1.ultradns.nethostmaster@springernature.com 2018-11-17 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774624217

Same first word

iteachguide.com

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukns0-i.dns.pipex.netns1-i.dns.pipex.net
○NSns0-i.dns.pipex.net2015-08-05 → 2016-12-11 · 4 obs
● 2015-08-05 03:33:44
● 2016-12-11 22:43:50
○ 2021-02-07 00:48:26
○ 2026-03-27 15:22:22
○NSns1-i.dns.pipex.net2015-08-05 → 2016-12-11 · 4 obs
● 2015-08-05 03:33:44
● 2016-12-11 22:43:50
○ 2021-02-07 00:48:26
○ 2026-03-27 15:22:22
●NSpdns1.ultradns.net2021-02-07 → 2026-03-27 · 3 obs
○ 2016-12-11 22:43:50
● 2021-02-07 00:48:26
● 2026-03-27 15:22:22
●NSpdns2.ultradns.net2021-02-07 → 2026-03-27 · 3 obs
○ 2016-12-11 22:43:50
● 2021-02-07 00:48:26
● 2026-03-27 15:22:22
●NSpdns3.ultradns.org2021-02-07 → 2026-03-27 · 3 obs
○ 2016-12-11 22:43:50
● 2021-02-07 00:48:26
● 2026-03-27 15:22:22
●NSpdns4.ultradns.org2021-02-07 → 2026-03-27 · 3 obs
○ 2016-12-11 22:43:50
● 2021-02-07 00:48:26
● 2026-03-27 15:22:22
●NSpdns5.ultradns.info2021-02-07 → 2026-03-27 · 3 obs
○ 2016-12-11 22:43:50
● 2021-02-07 00:48:26
● 2026-03-27 15:22:22
●NSpdns6.ultradns.co.uk2021-02-07 → 2026-03-27 · 3 obs
○ 2016-12-11 22:43:50
● 2021-02-07 00:48:26
● 2026-03-27 15:22:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
iteachguide.compdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net...-

✅ Authoritative Response

Server:204.74.109.1

NS records: pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net, pdns5.ultradns.info, pdns6.ultradns.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iteachguide.com (unsigned zone)

⏱️ Timing

Total: 272ms | Queries: -

📄 Records

TypeCountSample Data
NS6pdns1.ultradns.net, pdns2.ultradns.net...
TXT1v=spf1 -all
SOA1pdns1.ultradns.net hostmaster.springerna

Analysis

Name Servers

iteachguide.com is delegated to six name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.

iteachguide.com shares name servers with other domains at least partially, for example bigwheel.com, fluorarabialtd.com, holidayrentals.net, vikingsfan.com and 87.0.96.in-addr.arpa.

these name servers are often used with the following: udns1.ultradns.net, dns-external-master.amazon.com, udns2.ultradns.net, dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net, pdns84.ultradns.biz, pdns84.ultradns.com and pdns84.ultradns.net.

Host names with two IPs:

pdns5.ultradns.info ->2610:a1:1016::1 and 204.74.114.1

pdns1.ultradns.net ->2001:502:f3ff::1 and 204.74.108.1

pdns2.ultradns.net ->2610:a1:1014::1 and 204.74.109.1

pdns3.ultradns.org ->2610:a1:1015::1 and 199.7.68.1

pdns4.ultradns.org ->2001:502:4612::1 and 199.7.69.1

pdns6.ultradns.co.uk ->2610:a1:1017::1 and 204.74.115.1