sdteacher.com - robtex.com

sdteacher.com

DNSSEC⚠️ Not signed
A156.226.71.151🇭🇰 MYCLOUD-AS-AP156.226.71.0/24 Luogelang france limited
NSns1.julydns.com ⭐
A47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD
NSns2.julydns.com
A162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAns1.julydns.commaster@jmdns.com serial=1770534632

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=1775445137

Same first word

sdteacher.com

Similar names

techadres.com
thecedars.co.uk
seedchart.com
tcedshare.com.cn
dcheaters.com
decathers.com
chadsteer.biz
tcedshare.com
saredtech.xyz
tecshared.com
theecards.com
tedsearch.com
theresacd.com
streached.com
cardsheet.com
sheetcard.com
techreads.co
detachers.net
chadsteer.com
desartech.ch
deartechs.com
thecedars.us
edtsearch.com
techreads.org
catheders.com
techsreda.com
tcedshare.cn
redcheats.com
radestech.net

DNS History

23 records (3 active, 20 former)

200920112013201520172019202120232025NSns1.julydns.comns2.julydns.comns1.namebrightdns.comns2.namebrightdns.comns57.domaincontrol.comns58.domaincontrol.comnsg1.namebrightdns.comnsg2.namebrightdns.comMXanmail.namebrightmail.commailstore1.secureserver.netsmtp.secureserver.netA156.226.71.151107.23.198.24052.21.52.10952.4.72.13754.174.31.25454.208.74.21554.209.174.16754.236.84.11154.85.146.18664.202.189.170CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.comhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com
●NSns1.julydns.com2026-04-02 → 2026-04-06 · 3 obs
○ 2017-06-19 10:23:10
● 2026-04-02 21:10:38
● 2026-04-06 03:39:08
○NSns1.namebrightdns.com2015-05-14 → 2017-06-19 · 8 obs
○ 2008-03-08 15:05:06
● 2015-05-14 05:47:50
● 2015-10-24 08:54:38
○ 2016-01-13 20:07:50
● 2016-07-14 23:20:16
● 2017-06-19 10:23:10
○ 2026-04-02 21:10:38
○ 2026-04-06 03:39:08
●NSns2.julydns.com2026-04-02 → 2026-04-06 · 3 obs
○ 2017-06-19 10:23:10
● 2026-04-02 21:10:38
● 2026-04-06 03:39:08
○NSns2.namebrightdns.com2015-05-14 → 2017-06-19 · 8 obs
○ 2008-03-08 15:05:06
● 2015-05-14 05:47:50
● 2015-10-24 08:54:38
○ 2016-01-13 20:07:50
● 2016-07-14 23:20:16
● 2017-06-19 10:23:10
○ 2026-04-02 21:10:38
○ 2026-04-06 03:39:08
○NSns57.domaincontrol.com2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 15:05:06
○ 2015-05-14 05:47:50
○ 2026-04-06 03:39:08
○NSns58.domaincontrol.com2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 15:05:06
○ 2015-05-14 05:47:50
○ 2026-04-06 03:39:08
○NSnsg1.namebrightdns.com2016-01-13 → 2016-01-13 · 4 obs
○ 2015-10-24 08:54:38
● 2016-01-13 20:07:50
○ 2016-07-14 23:20:16
○ 2026-04-06 03:39:08
○NSnsg2.namebrightdns.com2016-01-13 → 2016-01-13 · 4 obs
○ 2015-10-24 08:54:38
● 2016-01-13 20:07:50
○ 2016-07-14 23:20:16
○ 2026-04-06 03:39:08
○MXanmail.namebrightmail.com2015-05-14 → 2015-05-14 · 4 obs
○ 2008-03-08 15:05:06
● 2015-05-14 05:47:50
○ 2015-10-24 08:54:38
○ 2026-04-06 03:39:08
○MXmailstore1.secureserver.net2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 15:05:06
○ 2015-05-14 05:47:50
○ 2026-04-06 03:39:08
○MXsmtp.secureserver.net2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 15:05:06
○ 2015-05-14 05:47:50
○ 2026-04-06 03:39:08
○A107.23.198.2402016-07-14 → 2016-07-14 · 4 obs
○ 2016-01-13 20:07:50
● 2016-07-14 23:20:16
○ 2017-06-19 10:23:10
○ 2026-04-06 03:39:08
●A156.226.71.1512026-04-02 → 2026-04-06 · 3 obs
○ 2017-06-19 10:23:10
● 2026-04-02 21:10:38
● 2026-04-06 03:39:08
○A52.21.52.1092016-01-13 → 2016-01-13 · 4 obs
○ 2015-10-24 08:54:38
● 2016-01-13 20:07:50
○ 2016-07-14 23:20:16
○ 2026-04-06 03:39:08
○A52.4.72.1372016-07-14 → 2016-07-14 · 4 obs
○ 2016-01-13 20:07:50
● 2016-07-14 23:20:16
○ 2017-06-19 10:23:10
○ 2026-04-06 03:39:08
○A54.174.31.2542015-10-24 → 2015-10-24 · 4 obs
○ 2008-03-08 15:05:06
● 2015-10-24 08:54:38
○ 2016-01-13 20:07:50
○ 2026-04-06 03:39:08
○A54.208.74.2152015-10-24 → 2015-10-24 · 4 obs
○ 2008-03-08 15:05:06
● 2015-10-24 08:54:38
○ 2016-01-13 20:07:50
○ 2026-04-06 03:39:08
○A54.209.174.1672016-01-13 → 2016-01-13 · 4 obs
○ 2015-10-24 08:54:38
● 2016-01-13 20:07:50
○ 2016-07-14 23:20:16
○ 2026-04-06 03:39:08
○A54.236.84.1112015-05-14 → 2015-05-14 · 4 obs
○ 2008-03-08 15:05:06
● 2015-05-14 05:47:50
○ 2017-06-19 10:23:10
○ 2026-04-06 03:39:08
○A54.85.146.1862015-05-14 → 2015-05-14 · 4 obs
○ 2008-03-08 15:05:06
● 2015-05-14 05:47:50
○ 2017-06-19 10:23:10
○ 2026-04-06 03:39:08
○A64.202.189.1702008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 15:05:06
○ 2015-05-14 05:47:50
○ 2026-04-06 03:39:08
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-05-14 → 2016-07-14 · 5 obs
○ 2008-03-08 15:05:06
● 2015-05-14 05:47:50
● 2016-07-14 23:20:16
○ 2017-06-19 10:23:10
○ 2026-04-06 03:39:08
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-06-19 → 2017-06-19 · 4 obs
○ 2016-07-14 23:20:16
● 2017-06-19 10:23:10
○ 2026-04-02 21:10:38
○ 2026-04-06 03:39:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net...-
sdteacher.comns1.julydns.com, ns2.julydns.com2 records

✅ Authoritative Response

Server:162.159.48.223

NS records: ns1.julydns.com, ns2.julydns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdteacher.com (unsigned zone)

⏱️ Timing

Total: 4640ms | Queries: -

📄 Records

TypeCountSample Data
A1156.226.71.151
NS2ns1.julydns.com, ns2.julydns.com
SOA1ns1.julydns.com master.jmdns.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.julydns.com, ns2.julydns.com)

Analysis

IP Addresses

sdteacher.com points to a single IP: 156.226.71.151.

Other host names such as esiearth.com and www.ulysset.com share IP numbers with sdteacher.com.

Name Servers

Two name servers ns1.julydns.com and ns2.julydns.com handle delegation for sdteacher.com.

sdteacher.com uses the same name server setup as other domains, for example szjiechang.com, ehanbo.com, tianruilc.com, mycjzx.com and freqgeek.com.

sdteacher.com partially shares name servers with other domains; examples include topsdu.com, ta827506.cn, gxdsw.cn, millstream.cn and izhenren.com.

These name servers are often used with the name servers ns1.judns.com and ns2.judns.com.

Host names with one IP number: The host name ns1.julydns.com points to 47.97.51.45 and the host name ns2.julydns.com points to 162.159.48.223.