schoolshelf.com - robtex.com

schoolshelf.com

DNSSEC⚠️ Not signed
A104.238.66.94🇺🇸 AS398101104.238.66.0/23
PTR94.66.238.104.host.secureserver.net
NSns33.worldnic.com ⭐
A162.159.26.212Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns34.worldnic.com
A162.159.27.146Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOANS33.WORLDNIC.comnamehost@WORLDNIC.com serial=116070111

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=1785112632

Same first word

schoolshelf.com

DNS History

27 records (3 active, 24 former)

200920112013201520172019202120232025NSns33.worldnic.comns34.worldnic.comns1.namebrightdns.comns2.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comyns1.yahoo.comyns2.yahoo.comMXanmail.namebrightmail.commx1.biz.mail.yahoo.commx5.biz.mail.yahoo.comp.webcom.ctmail.comA104.238.66.94107.180.51.235107.23.160.21854.174.31.25454.208.74.21554.209.246.18254.209.90.8154.85.146.18668.142.212.12968.142.212.13068.142.212.13568.142.212.13668.142.212.13768.142.212.138CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com
○NSns1.namebrightdns.com2015-05-28 → 2015-12-24 · 5 obs
○ 2008-03-14 06:49:56
● 2015-05-28 15:30:38
● 2015-12-24 11:36:20
○ 2016-04-04 13:43:00
○ 2026-07-27 00:52:44
○NSns2.namebrightdns.com2015-10-15 → 2015-12-24 · 5 obs
○ 2015-05-28 15:30:38
● 2015-10-15 22:54:50
● 2015-12-24 11:36:20
○ 2016-04-04 13:43:00
○ 2026-07-27 00:52:44
●NSns33.worldnic.com2016-04-04 → 2026-07-27 · 3 obs
○ 2015-12-24 11:36:20
● 2016-04-04 13:43:00
● 2026-07-27 00:52:44
●NSns34.worldnic.com2016-04-04 → 2026-07-27 · 3 obs
○ 2015-12-24 11:36:20
● 2016-04-04 13:43:00
● 2026-07-27 00:52:44
○NSnsg1.namebrightdns.com2015-05-28 → 2015-05-28 · 4 obs
○ 2008-03-14 06:49:56
● 2015-05-28 15:30:38
○ 2015-10-15 22:54:50
○ 2026-07-27 00:52:44
○NSnsg2.namebrightdns.com2015-05-28 → 2015-05-28 · 4 obs
○ 2008-03-14 06:49:56
● 2015-05-28 15:30:38
○ 2015-10-15 22:54:50
○ 2026-07-27 00:52:44
○NSyns1.yahoo.com2008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:49:56
○ 2015-05-28 15:30:38
○ 2026-07-27 00:52:44
○NSyns2.yahoo.com2008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:49:56
○ 2015-05-28 15:30:38
○ 2026-07-27 00:52:44
○MXanmail.namebrightmail.com2015-05-28 → 2015-05-28 · 4 obs
○ 2008-03-14 06:49:56
● 2015-05-28 15:30:38
○ 2015-10-15 22:54:50
○ 2026-07-27 00:52:44
○MXmx1.biz.mail.yahoo.com2008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:49:56
○ 2015-05-28 15:30:38
○ 2026-07-27 00:52:44
○MXmx5.biz.mail.yahoo.com2008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:49:56
○ 2015-05-28 15:30:38
○ 2026-07-27 00:52:44
○MXp.webcom.ctmail.com2016-04-04 → 2017-09-26 · 5 obs
○ 2015-10-15 22:54:50
● 2016-04-04 13:43:00
● 2017-09-26 10:32:24
○ 2026-04-12 22:38:18
○ 2026-07-27 00:52:44
●A104.238.66.942016-09-16 → 2026-07-27 · 3 obs
○ 2016-04-04 13:43:00
● 2016-09-16 19:24:42
● 2026-07-27 00:52:44
○A107.180.51.2352016-04-04 → 2016-04-04 · 4 obs
○ 2015-12-24 11:36:20
● 2016-04-04 13:43:00
○ 2016-09-16 19:24:42
○ 2026-07-27 00:52:44
○A107.23.160.2182015-12-24 → 2015-12-24 · 4 obs
○ 2015-10-15 22:54:50
● 2015-12-24 11:36:20
○ 2016-04-04 13:43:00
○ 2026-07-27 00:52:44
○A54.174.31.2542015-10-15 → 2015-10-15 · 4 obs
○ 2015-05-28 15:30:38
● 2015-10-15 22:54:50
○ 2015-12-24 11:36:20
○ 2026-07-27 00:52:44
○A54.208.74.2152015-10-15 → 2015-10-15 · 4 obs
○ 2015-05-28 15:30:38
● 2015-10-15 22:54:50
○ 2015-12-24 11:36:20
○ 2026-07-27 00:52:44
○A54.209.246.1822015-05-28 → 2015-05-28 · 4 obs
○ 2008-03-14 06:49:56
● 2015-05-28 15:30:38
○ 2017-09-26 10:32:24
○ 2026-07-27 00:52:44
○A54.209.90.812015-12-24 → 2015-12-24 · 4 obs
○ 2015-10-15 22:54:50
● 2015-12-24 11:36:20
○ 2016-04-04 13:43:00
○ 2026-07-27 00:52:44
○A54.85.146.1862015-05-28 → 2015-05-28 · 4 obs
○ 2008-03-14 06:49:56
● 2015-05-28 15:30:38
○ 2017-09-26 10:32:24
○ 2026-07-27 00:52:44
○A68.142.212.1292008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:49:56
○ 2015-05-28 15:30:38
○ 2026-07-27 00:52:44
○A68.142.212.1302008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:49:56
○ 2015-05-28 15:30:38
○ 2026-07-27 00:52:44
○A68.142.212.1352008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:49:56
○ 2015-05-28 15:30:38
○ 2026-07-27 00:52:44
○A68.142.212.1362008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:49:56
○ 2015-05-28 15:30:38
○ 2026-07-27 00:52:44
○A68.142.212.1372008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:49:56
○ 2015-05-28 15:30:38
○ 2026-07-27 00:52:44
○A68.142.212.1382008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:49:56
○ 2015-05-28 15:30:38
○ 2026-07-27 00:52:44
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-05-28 → 2015-12-24 · 5 obs
○ 2008-03-14 06:49:56
● 2015-05-28 15:30:38
● 2015-12-24 11:36:20
○ 2016-04-04 13:43:00
○ 2026-07-27 00:52:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
schoolshelf.comns33.worldnic.com, ns34.worldnic.com2 records

✅ Authoritative Response

Server:162.159.26.212

NS records: ns33.worldnic.com, ns34.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoolshelf.com (unsigned zone)

⏱️ Timing

Total: 410ms | Queries: -

📄 Records

TypeCountSample Data
A1104.238.66.94
NS2ns34.worldnic.com, ns33.worldnic.com
SOA1NS33.WORLDNIC.com namehost.WORLDNIC.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns33.worldnic.com, ns34.worldnic.com)

Analysis

IP Addresses

schoolshelf.com points to a single IP number: 104.238.66.94.

Other host names, among them 94.66.238.104.host.secureserver.net and woodburnonline.com, have IP numbers in common with schoolshelf.com.

Name Servers

schoolshelf.com uses two name servers for its delegation: ns33.worldnic.com and ns34.worldnic.com.

schoolshelf.com shares its name server setup with other domains, including aspenview.org, eagleirontrailers.com, educational-engines.com and two others.

Each of ns33.worldnic.com and ns34.worldnic.com has one IP address: ns33.worldnic.com uses 162.159.26.212 and ns34.worldnic.com uses 162.159.27.146.