`certifyteacher.com`

DNSSEC	⚠️ Not signed
A	54.70.158.238^{🇺🇸 Amazon}
		PTR	`ec2-54-70-158-238.us-west-2.compute.amazonaws.com`
NS	`ns7.worldnic.com` ⭐
		A	162.159.26.110^Cloudflare
			PTR	`powerdns-prod06.dc.tutum.co`
NS	`ns8.worldnic.com`
		A	162.159.27.124^Cloudflare
			PTR	`ip-162-159-27-124.defastlink.net`
MX	`mx1.emailsrvr.com` ⭐
		A	146.20.161.1^{🇺🇸 RACKSPACE-IAD}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	184.106.54.2^{🇺🇸 RACKSPACE-ORD}
			PTR	`mx2.emailsrvr.com`
TXT	`google-site-verification=LziQY9srRG4kJzXSQ-Q7qqCzEiDjzr3gEpTlwh2PGis`
TXT	`a:certifyteacher.managed-otrs.com`
TXT	`v=spf1 include:emailsrvr.com include:spf.mandrillapp.com a:certifyteacher.man...`
TXT	`google-site-verification=qfSGsg9_V1PCfH5ww3Jts8cV62v2W2KaX4Ll2L0CR7U`
SOA	`NS7.WORLDNIC.com`namehost@WORLDNIC.com serial=125121812

`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=1771291435

📈 Tranco rank: #659,099

Up

icas.certifyteacher.com

www.certifyteacher.com

Same first word

certifyteacher.com

DNS History

10 records (5 active, 5 former)

●NSns7.worldnic.com2008-03-19 → 2026-02-20 · 2 obs

● 2008-03-19 08:41:02
● 2026-02-20 09:58:26

●NSns8.worldnic.com2008-03-19 → 2026-02-20 · 2 obs

● 2008-03-19 08:41:02
● 2026-02-20 09:58:26

○MXinbound.certifyteacher.com.netsolmail.net2015-08-05 → 2017-02-08 · 5 obs

○ 2008-03-19 08:41:02
● 2015-08-05 18:30:16
● 2017-02-08 19:38:48
○ 2018-10-21 21:27:16
○ 2026-02-20 09:58:26

●MXmx1.emailsrvr.com2018-10-21 → 2026-02-20 · 3 obs

○ 2017-02-08 19:38:48
● 2018-10-21 21:27:16
● 2026-02-20 09:58:26

●MXmx2.emailsrvr.com2018-10-21 → 2026-02-20 · 3 obs

○ 2017-02-08 19:38:48
● 2018-10-21 21:27:16
● 2026-02-20 09:58:26

○A104.238.94.2352015-08-05 → 2015-11-24 · 5 obs

○ 2008-03-19 08:41:02
● 2015-08-05 18:30:16
● 2015-11-24 03:44:42
○ 2016-03-01 18:59:48
○ 2026-02-20 09:58:26

○A208.109.235.552008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 08:41:02
○ 2015-08-05 18:30:16
○ 2026-02-20 09:58:26

○A35.165.249.502018-10-21 → 2018-10-21 · 4 obs

○ 2017-02-08 19:38:48
● 2018-10-21 21:27:16
○ 2021-06-03 19:59:34
○ 2026-02-20 09:58:26

○A52.35.230.2542016-03-01 → 2017-02-08 · 5 obs

○ 2015-11-24 03:44:42
● 2016-03-01 18:59:48
● 2017-02-08 19:38:48
○ 2018-10-21 21:27:16
○ 2026-02-20 09:58:26

●A54.70.158.2382021-06-03 → 2026-02-20 · 3 obs

○ 2018-10-21 21:27:16
● 2021-06-03 19:59:34
● 2026-02-20 09:58:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
certifyteacher.com	ns7.worldnic.com, ns8.worldnic.com	-

✅ Authoritative Response

Server: 162.159.26.110

NS records: ns7.worldnic.com, ns8.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certifyteacher.com (unsigned zone)

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.70.158.238`
NS	2	`ns7.worldnic.com, ns8.worldnic.com`
MX	2	`mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)`
TXT	4	`google-site-verification=LziQY9srRG4kJzX, a:certifyteacher.managed-otrs.com...`
SOA	1	`NS7.WORLDNIC.com namehost.WORLDNIC.com`

AI analysis

certifyteacher.com is a parent of icas.certifyteacher.com and www.certifyteacher.com.

certifyteacher.com resolves to one IP number: 54.70.158.238.

Other host names such as www.certifyteacher.com and ec2-54-70-158-238.us-west-2.compute.amazonaws.com share IP numbers with certifyteacher.com.

certifyteacher.com is delegated to two name servers ns7.worldnic.com and ns8.worldnic.com.

certifyteacher.com shares the same name server setup as other domains, for instance thelacheygroupllc.com, n-sar.info, spyedit.com, nwrealestateservices.com and ambiancesf.com.

certifyteacher.com at least partially shares name servers with other domains, for instance saber.vision.

Host names with one IP number:

ns7.worldnic.com points to 162.159.26.110

ns8.worldnic.com points to 162.159.27.124

Two mail servers handle certifyteacher.com: mx1.emailsrvr.com and mx2.emailsrvr.com.

certifyteacher.com shares the same mail server setup as other domains, for instance runphones.co.nz, lamoillevalleypainters.com, slo-l.com, tfwm.com and northdecks.com.

certifyteacher.com shares some mail servers with other domains, at least partially, for instance rp-us.com, anthonygalati.com, uptheshore.ca, client-216-57-220-169.bhm.pogozone.net and games4all.eu.

Host names with one IP number:

mx1.emailsrvr.com points to 146.20.161.1

mx2.emailsrvr.com points to 184.106.54.2

certifyteacher.com - robtex.com