go4schools.com - robtex.com

go4schools.com

DNSSEC⚠️ Not signed
A40.81.156.178🇬🇧 Microsoft40.80.0.0/12
NSns1-33.azure-dns.com ⭐
A2603:1061:0:10::21🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-33.azure-dns.com
A150.171.10.33🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns1-33.azure-dns.com
NSns2-33.azure-dns.net
A2620:1ec:8ec:10::21🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-33.azure-dns.net
A150.171.16.33🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-33.azure-dns.net
NSns3-33.azure-dns.org
A2a01:111:4000:10::21🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-33.azure-dns.org
A13.107.222.33🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns3-33.azure-dns.org
NSns4-33.azure-dns.info
A2620:1ec:bda:10::21🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-33.azure-dns.info
A13.107.206.33🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns4-33.azure-dns.info
MXgo4schools-com.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::a🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-du0pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca09::3🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am6pr04cu00303.inbound.protection.outlook.com
A2a01:111:f403:ca09::5🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am1pr04cu00105.inbound.protection.outlook.com
A2a01:111:f403:ca09::9🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr04cu00801.inbound.protection.outlook.com
A52.101.68.16🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00400.inbound.protection.outlook.com
A52.101.68.25🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db8pr02cu00101.inbound.protection.outlook.com
A52.101.73.2🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr07cu00302.inbound.protection.outlook.com
A52.101.73.26🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr05cu01302.inbound.protection.outlook.com
MXmailgate1.hyperspheric.com(50)
A20.0.184.129🇬🇧 Microsoft20.0.0.0/11 MICROSOFT
PTRinternal-smtp.hyperspheric.com
MXmailgate10.hyperspheric.com(55)
A40.81.156.178🇬🇧 Microsoft40.80.0.0/12
MXmailgate11.hyperspheric.com(90)
A51.11.30.21🇬🇧 Microsoft51.10.0.0/15
PTRmailgate11.hyperspheric.com
MXinternal-smtp.hyperspheric.com(100)
A20.0.184.129🇬🇧 Microsoft20.0.0.0/11 MICROSOFT
PTRinternal-smtp.hyperspheric.com
MXmailgate12.hyperspheric.com(260)
A172.187.106.104🇬🇧 Microsoft172.160.0.0/11
PTRmailgate12.hyperspheric.com
TXT9jpk9n7w3fw3wq0n5gfhtylknhwz2zl8
TXTMS=ms83995337
TXTgoogle-site-verification=M_h14CgASH2XiQiLRUUc50DJaTVEi_0EgpnA2hlUGl4
TXTgoogle-site-verification=Yl2cfnBwts8bgpcz5YXNR86cUMoRksYjXyVxWoJPgzw
TXTv=spf1 mx:hyperspheric.com mx:go4schools.com ip4:172.187.106.104 include:spf....
TXTyahoo-verification-key=mtj+o3vEfIKnR/pPEAGy4+6TKnjvQa0kS+n5i0Na92g=
SOAns1-33.azure-dns.comazuredns-hostmaster@microsoft.com serial=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=1776073312
📈 Tranco rank: #89,406

Subdomains

www.go4schools.com
smtp.go4schools.com
api.go4schools.com

Same first word

go4schools.info
go4schools.co.uk
go4schools.com
go4schools.net

DNS History

24 records (11 active, 13 former)

20162017201820192020202120222023202420252026NSns1-33.azure-dns.comns2-33.azure-dns.netns3-33.azure-dns.orgns4-33.azure-dns.infoultra101.uk2.netultra102.uk2.netMXgo4schools-com.mail.protection.outlook.cominternal-smtp.hyperspheric.commailgate1.hyperspheric.commailgate10.hyperspheric.commailgate11.hyperspheric.commailgate12.hyperspheric.com212.44.45.65.ip.redstone-isp.netmailgate.hyperspheric.commailgate2.hyperspheric.commailgate3.hyperspheric.commailgate4.hyperspheric.commailgate5.hyperspheric.commailgate6.hyperspheric.commailgate7.hyperspheric.commailgate8.hyperspheric.commailgate9.hyperspheric.comA40.81.156.178212.44.45.76
●NSns1-33.azure-dns.com2026-03-21 → 2026-04-13 · 3 obs
○ 2020-03-04 04:49:36
● 2026-03-21 23:57:20
● 2026-04-13 09:43:00
●NSns2-33.azure-dns.net2026-03-21 → 2026-04-13 · 3 obs
○ 2020-03-04 04:49:36
● 2026-03-21 23:57:20
● 2026-04-13 09:43:00
●NSns3-33.azure-dns.org2026-03-21 → 2026-04-13 · 3 obs
○ 2020-03-04 04:49:36
● 2026-03-21 23:57:20
● 2026-04-13 09:43:00
●NSns4-33.azure-dns.info2026-03-21 → 2026-04-13 · 3 obs
○ 2020-03-04 04:49:36
● 2026-03-21 23:57:20
● 2026-04-13 09:43:00
○NSultra101.uk2.net2015-07-09 → 2020-03-04 · 4 obs
● 2015-07-09 15:08:46
● 2020-03-04 04:49:36
○ 2026-03-21 23:57:20
○ 2026-04-13 09:43:00
○NSultra102.uk2.net2015-07-09 → 2020-03-04 · 4 obs
● 2015-07-09 15:08:46
● 2020-03-04 04:49:36
○ 2026-03-21 23:57:20
○ 2026-04-13 09:43:00
○MX212.44.45.65.ip.redstone-isp.net2015-07-09 → 2017-02-15 · 4 obs
● 2015-07-09 15:08:46
● 2017-02-15 08:40:18
○ 2017-12-04 21:51:44
○ 2026-04-13 09:43:00
●MXgo4schools-com.mail.protection.outlook.com2015-07-09 → 2026-04-13 · 2 obs
● 2015-07-09 15:08:46
● 2026-04-13 09:43:00
●MXinternal-smtp.hyperspheric.com2026-03-21 → 2026-04-13 · 3 obs
○ 2020-03-04 04:49:36
● 2026-03-21 23:57:20
● 2026-04-13 09:43:00
○MXmailgate.hyperspheric.com2020-03-04 → 2020-03-04 · 4 obs
○ 2017-12-04 21:51:44
● 2020-03-04 04:49:36
○ 2026-03-21 23:57:20
○ 2026-04-13 09:43:00
●MXmailgate1.hyperspheric.com2026-03-21 → 2026-04-13 · 3 obs
○ 2020-03-04 04:49:36
● 2026-03-21 23:57:20
● 2026-04-13 09:43:00
●MXmailgate10.hyperspheric.com2020-03-04 → 2026-04-13 · 3 obs
○ 2017-12-04 21:51:44
● 2020-03-04 04:49:36
● 2026-04-13 09:43:00
●MXmailgate11.hyperspheric.com2020-03-04 → 2026-04-13 · 3 obs
○ 2017-12-04 21:51:44
● 2020-03-04 04:49:36
● 2026-04-13 09:43:00
●MXmailgate12.hyperspheric.com2026-03-21 → 2026-04-13 · 3 obs
○ 2020-03-04 04:49:36
● 2026-03-21 23:57:20
● 2026-04-13 09:43:00
○MXmailgate2.hyperspheric.com2015-07-09 → 2020-03-04 · 4 obs
● 2015-07-09 15:08:46
● 2020-03-04 04:49:36
○ 2026-03-21 23:57:20
○ 2026-04-13 09:43:00
○MXmailgate3.hyperspheric.com2015-07-09 → 2017-02-15 · 4 obs
● 2015-07-09 15:08:46
● 2017-02-15 08:40:18
○ 2017-12-04 21:51:44
○ 2026-04-13 09:43:00
○MXmailgate4.hyperspheric.com2020-03-04 → 2020-03-04 · 4 obs
○ 2017-12-04 21:51:44
● 2020-03-04 04:49:36
○ 2026-03-21 23:57:20
○ 2026-04-13 09:43:00
○MXmailgate5.hyperspheric.com2020-03-04 → 2020-03-04 · 4 obs
○ 2017-12-04 21:51:44
● 2020-03-04 04:49:36
○ 2026-03-21 23:57:20
○ 2026-04-13 09:43:00
○MXmailgate6.hyperspheric.com2020-03-04 → 2020-03-04 · 4 obs
○ 2017-12-04 21:51:44
● 2020-03-04 04:49:36
○ 2026-03-21 23:57:20
○ 2026-04-13 09:43:00
○MXmailgate7.hyperspheric.com2020-03-04 → 2020-03-04 · 4 obs
○ 2017-12-04 21:51:44
● 2020-03-04 04:49:36
○ 2026-03-21 23:57:20
○ 2026-04-13 09:43:00
○MXmailgate8.hyperspheric.com2020-03-04 → 2020-03-04 · 4 obs
○ 2017-12-04 21:51:44
● 2020-03-04 04:49:36
○ 2026-03-21 23:57:20
○ 2026-04-13 09:43:00
○MXmailgate9.hyperspheric.com2020-03-04 → 2020-03-04 · 4 obs
○ 2017-12-04 21:51:44
● 2020-03-04 04:49:36
○ 2026-03-21 23:57:20
○ 2026-04-13 09:43:00
○A212.44.45.762015-07-09 → 2018-10-24 · 4 obs
● 2015-07-09 15:08:46
● 2018-10-24 13:37:06
○ 2020-03-04 04:49:36
○ 2026-04-13 09:43:00
●A40.81.156.1782020-03-04 → 2026-04-13 · 3 obs
○ 2018-10-24 13:37:06
● 2020-03-04 04:49:36
● 2026-04-13 09:43:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
go4schools.comns3-33.azure-dns.org, ns4-33.azure-dns.info, ns1-33.azure-dns.com, ns2-33.azure-dns.net2 records

✅ Authoritative Response

Server:150.171.10.33

NS records: ns3-33.azure-dns.org, ns4-33.azure-dns.info, ns1-33.azure-dns.com, ns2-33.azure-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for go4schools.com (unsigned zone)

⏱️ Timing

Total: 674ms | Queries: -

📄 Records

TypeCountSample Data
A140.81.156.178
NS4ns1-33.azure-dns.com, ns2-33.azure-dns.net...
MX6go4schools-com.mail.protection.outlook.c, mailgate12.hyperspheric.com (pri: 50)...
TXT69jpk9n7w3fw3wq0n5gfhtylknhwz2zl8, MS=ms83995337...
SOA1ns1-33.azure-dns.com azuredns-hostmaster

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-33.azure-dns.com, ns1-33.azure-dns.com)

Analysis

Hierarchy

The parent of www.go4schools.com, smtp.go4schools.com and api.go4schools.com is go4schools.com.

IP Addresses

go4schools.com points to an IP address: 40.81.156.178.

other host names include www.hyperspheric.com, mailgate10.hyperspheric.com, api.go4schools.com, hyperspheric.com and www.go4schools.com; they share IP numbers with go4schools.com.

Name Servers

go4schools.com delegates to four name servers: ns1-33.azure-dns.com, ns4-33.azure-dns.info, ns2-33.azure-dns.net and ns3-33.azure-dns.org.

go4schools.com at least partially shares name servers with other domains, for instance preca.ca, wound.ch, intracom.com, livetest.marshall.edu and genelenergy.com.

Host names with two IP numbers: ns1-33.azure-dns.com points to 2603:1061:0:10::21 and 150.171.10.33; ns4-33.azure-dns.info points to 2620:1ec:bda:10::21 and 13.107.206.33; ns2-33.azure-dns.net points to 2620:1ec:8ec:10::21 and 150.171.16.33; ns3-33.azure-dns.org points to 2a01:111:4000:10::21 and 13.107.222.33.

Mail Servers

Six mail servers handle go4schools.com: internal-smtp.hyperspheric.com, mailgate10.hyperspheric.com, mailgate11.hyperspheric.com, mailgate12.hyperspheric.com, mailgate1.hyperspheric.com and go4schools-com.mail.protection.outlook.com.

go4schools.com shares at least some mail servers with other domains, for instance hyperspheric.com.

these mail servers are commonly used together with hyperspheric-com.mail.protection.outlook.com.

Host names with eight IP numbers: go4schools-com.mail.protection.outlook.com points to 2a01:111:f403:ca04::a, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::9, 52.101.68.16, 52.101.68.25, 52.101.73.2 and 52.101.73.26.

Host names with one IP number: internal-smtp.hyperspheric.com points to 20.0.184.129. mailgate10.hyperspheric.com points to 40.81.156.178. mailgate11.hyperspheric.com points to 51.11.30.21. mailgate12.hyperspheric.com points to 172.187.106.104. mailgate1.hyperspheric.com points to 20.0.184.129.

Host names that point to 20.0.184.129: internal-smtp.hyperspheric.com and mailgate1.hyperspheric.com.