`teachingtoday.net`

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`
TXT	`v=spf1 mx -all`
SOA	`pdns85.ultradns.com`hostmaster@mheducation.com 2014-12-04 #20

`net`

	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=1776110677

Same first word

teachingtoday.education

teachingtoday.co.uk

teachingtoday.net

DNS History

10 records (5 active, 5 former)

○NSns1.mhedu.com2007-09-19 → 2007-09-19 · 3 obs

● 2007-09-19 08:50:26
○ 2015-08-22 03:51:12
○ 2026-04-13 20:09:02

○NSns2.mhedu.com2007-09-19 → 2007-09-19 · 3 obs

● 2007-09-19 08:50:26
○ 2015-08-22 03:51:12
○ 2026-04-13 20:09:02

○NSns3.mhedu.com2007-09-19 → 2007-09-19 · 3 obs

● 2007-09-19 08:50:26
○ 2015-08-22 03:51:12
○ 2026-04-13 20:09:02

●NSpdns85.ultradns.biz2015-08-22 → 2026-04-13 · 3 obs

○ 2007-09-19 08:50:26
● 2015-08-22 03:51:12
● 2026-04-13 20:09:02

●NSpdns85.ultradns.com2015-08-22 → 2026-04-13 · 3 obs

○ 2007-09-19 08:50:26
● 2015-08-22 03:51:12
● 2026-04-13 20:09:02

●NSpdns85.ultradns.net2015-08-22 → 2026-04-13 · 3 obs

○ 2007-09-19 08:50:26
● 2015-08-22 03:51:12
● 2026-04-13 20:09:02

●NSpdns85.ultradns.org2015-08-22 → 2026-04-13 · 3 obs

○ 2007-09-19 08:50:26
● 2015-08-22 03:51:12
● 2026-04-13 20:09:02

○A12.163.148.882007-09-19 → 2007-09-19 · 3 obs

● 2007-09-19 08:50:26
○ 2015-08-22 03:51:12
○ 2026-04-13 20:09:02

○A192.243.93.752015-08-22 → 2016-09-18 · 5 obs

○ 2007-09-19 08:50:26
● 2015-08-22 03:51:12
● 2016-09-18 20:20:42
○ 2026-04-03 23:02:36
○ 2026-04-13 20:09:02

●A204.74.99.1002026-04-03 → 2026-04-13 · 3 obs

○ 2016-09-18 20:20:42
● 2026-04-03 23:02:36
● 2026-04-13 20:09:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	f.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net...	-
teachingtoday.net	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 teachingtoday.net (unsigned zone)

⏱️ Timing

Total: 537ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.74.99.100`
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.net, pdns85.ultradns.net)

Analysis

IP Addresses

teachingtoday.net points to a single IP number: 204.74.99.100.

Other host names, for instance (0x796f756a697a7a)com.scandal.com, www.ohii.salon, hearstentprod.info, skiptracing.neustar and falkentires.com share IP numbers with teachingtoday.net.

Name Servers

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

teachingtoday.net shares name servers with other domains at least partially, for instance myguideflorida.com, mhedu.com, landoll-inc.com, oaktreecapital.com and continuitylogic.com.

Host names with two IP numbers:

pdns85.ultradns.biz resolves to 2610:a1:1015::79 and 156.154.66.85.

pdns85.ultradns.com resolves to 2001:502:f3ff::79 and 156.154.64.85.

pdns85.ultradns.net resolves to 2610:a1:1014::79 and 156.154.65.85.

pdns85.ultradns.org resolves to 2001:502:4612::79 and 156.154.67.85.

teachingtoday.net - robtex.com