rbischool.com - robtex.com

rbischool.com

DNSSEC⚠️ Not signed
A198.49.23.144🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.49.23.145🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.185.159.145🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
NSnsa1.squarespacedns.com ⭐
A216.239.32.106🇺🇸 Google216.239.32.0/24
PTRns-cloud-a1.googledomains.com
NSnsa2.squarespacedns.com
A216.239.34.106🇺🇸 Google216.239.34.0/24
PTRns-cloud-a2.googledomains.com
NSnsa3.squarespacedns.com
A216.239.36.106🇺🇸 Google216.239.36.0/24
PTRns-cloud-a3.googledomains.com
NSnsa4.squarespacedns.com
A216.239.38.106🇺🇸 Google216.239.38.0/24
PTRns-cloud-a4.googledomains.com
MXsmtp.google.com ⭐
A2607:f8b0:4004:c1b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f26.1e100.net
A2607:f8b0:4004:c1b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f27.1e100.net
A2607:f8b0:4004:c29::1a🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadum-in-f26.1e100.net
A2607:f8b0:4004:c29::1b🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadum-in-f27.1e100.net
A142.251.163.26🇺🇸 Google142.251.163.0/24
PTRwv-in-f26.1e100.net
A142.251.163.27🇺🇸 Google142.251.163.0/24
PTRwv-in-f27.1e100.net
A142.251.167.26🇺🇸 Google142.251.167.0/24
A173.194.45.26🇺🇸 Google173.194.0.0/16
PTRyuiadum-in-f26.1e100.net
A173.194.45.27🇺🇸 Google173.194.0.0/16
PTRyuiadum-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/2, HTTP/1.1 ✓ hints match
IPv4 hints198.185.159.144, 198.185.159.145, 198.49.23.144, 198.49.23.145
SOAnsa1.squarespacedns.comcloud-dns-hostmaster@google.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=1785359737

Same first word

rbischool.com

Similar names

ribschool.nl

DNS History

17 records (9 active, 8 former)

202120222023202420252026NSnsa1.squarespacedns.comnsa2.squarespacedns.comnsa3.squarespacedns.comnsa4.squarespacedns.comns1087.ui-dns.orgns1102.ui-dns.dens1104.ui-dns.comns1113.ui-dns.bizMXsmtp.google.commx00.1and1.commx01.1and1.comA198.185.159.144198.185.159.145198.49.23.144198.49.23.1452607:f1c0:100f:f000::25874.208.236.195
○NSns1087.ui-dns.org2020-01-06 → 2020-01-06 · 3 obs
● 2020-01-06 18:27:26
○ 2026-03-27 16:42:50
○ 2026-07-29 21:31:08
○NSns1102.ui-dns.de2020-01-06 → 2020-01-06 · 3 obs
● 2020-01-06 18:27:26
○ 2026-03-27 16:42:50
○ 2026-07-29 21:31:08
○NSns1104.ui-dns.com2020-01-06 → 2020-01-06 · 3 obs
● 2020-01-06 18:27:26
○ 2026-03-27 16:42:50
○ 2026-07-29 21:31:08
○NSns1113.ui-dns.biz2020-01-06 → 2020-01-06 · 3 obs
● 2020-01-06 18:27:26
○ 2026-03-27 16:42:50
○ 2026-07-29 21:31:08
●NSnsa1.squarespacedns.com2026-06-21 → 2026-07-29 · 3 obs
○ 2026-03-27 16:42:50
● 2026-06-21 18:09:28
● 2026-07-29 21:31:08
●NSnsa2.squarespacedns.com2026-06-21 → 2026-07-29 · 3 obs
○ 2026-03-27 16:42:50
● 2026-06-21 18:09:28
● 2026-07-29 21:31:08
●NSnsa3.squarespacedns.com2026-06-21 → 2026-07-29 · 3 obs
○ 2026-03-27 16:42:50
● 2026-06-21 18:09:28
● 2026-07-29 21:31:08
●NSnsa4.squarespacedns.com2026-06-21 → 2026-07-29 · 3 obs
○ 2026-03-27 16:42:50
● 2026-06-21 18:09:28
● 2026-07-29 21:31:08
○MXmx00.1and1.com2020-01-06 → 2020-01-06 · 3 obs
● 2020-01-06 18:27:26
○ 2026-03-27 16:42:50
○ 2026-07-29 21:31:08
○MXmx01.1and1.com2020-01-06 → 2020-01-06 · 3 obs
● 2020-01-06 18:27:26
○ 2026-03-27 16:42:50
○ 2026-07-29 21:31:08
●MXsmtp.google.com2026-06-21 → 2026-07-29 · 3 obs
○ 2026-03-27 16:42:50
● 2026-06-21 18:09:28
● 2026-07-29 21:31:08
●A198.185.159.1442026-06-21 → 2026-07-29 · 3 obs
○ 2026-03-27 16:42:50
● 2026-06-21 18:09:28
● 2026-07-29 21:31:08
●A198.185.159.1452026-06-21 → 2026-07-29 · 3 obs
○ 2026-03-27 16:42:50
● 2026-06-21 18:09:28
● 2026-07-29 21:31:08
●A198.49.23.1442026-06-21 → 2026-07-29 · 3 obs
○ 2026-03-27 16:42:50
● 2026-06-21 18:09:28
● 2026-07-29 21:31:08
●A198.49.23.1452026-06-21 → 2026-07-29 · 3 obs
○ 2026-03-27 16:42:50
● 2026-06-21 18:09:28
● 2026-07-29 21:31:08
○A2607:f1c0:100f:f000::2582020-01-06 → 2020-01-06 · 3 obs
● 2020-01-06 18:27:26
○ 2026-03-27 16:42:50
○ 2026-07-29 21:31:08
○A74.208.236.1952020-01-06 → 2020-01-06 · 3 obs
● 2020-01-06 18:27:26
○ 2026-03-27 16:42:50
○ 2026-07-29 21:31:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...-
rbischool.comnsa1.squarespacedns.com, nsa2.squarespacedns.com, nsa3.squarespacedns.com, nsa4.squarespacedns.com4 records

✅ Authoritative Response

Server:216.239.36.106

NS records: nsa1.squarespacedns.com, nsa2.squarespacedns.com, nsa3.squarespacedns.com, nsa4.squarespacedns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 393ms | Queries: -

📄 Records

TypeCountSample Data
A4198.49.23.145, 198.49.23.144...
NS4nsa3.squarespacedns.com, nsa2.squarespacedns.com...
MX1smtp.google.com (pri: 1)
TXT1v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h2",
SOA1nsa1.squarespacedns.com cloud-dns-hostma

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (nsa1.squarespacedns.com, nsa2.squarespacedns.com, nsa3.squarespacedns.com...)

Analysis

IP Addresses

rbischool.com resolves to four IP addresses: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Among the host names that share IP numbers with rbischool.com are owais140.com, liranokanon.com, tcarts.org and two others.

Name Servers

The domain rbischool.com is delegated to these four name servers: nsa1.squarespacedns.com, nsa2.squarespacedns.com, nsa3.squarespacedns.com and nsa4.squarespacedns.com.

rbischool.com partially shares its NS delegation with several other domains, including windowunitinstall.com, nextversionn.com, growth-architecture.com and two others.

nsa1.squarespacedns.com resolves to 216.239.32.106. nsa2.squarespacedns.com resolves to 216.239.34.106. nsa3.squarespacedns.com resolves to 216.239.36.106. nsa4.squarespacedns.com resolves to 216.239.38.106. All four hosts carry exactly one IP address.

Mail Servers

rbischool.com routes its mail through a single mail server, smtp.google.com.

rbischool.com has the same mail server arrangement as a number of other domains, for example nexabyte.de, matangi.nl, meenuvaidmd.com and two more.

rbischool.com shares at least some of its mail servers with other domains — for example nikkifinnin.com, loveooh.co.uk, librariangroup.com and two more.

These mail servers tend to be used in conjunction with aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and two additional mail servers.

smtp.google.com directs to 9 IP numbers, including 142.251.163.26, 142.251.163.27 and 142.251.167.26, along with 6 other.