blockchainedu.org - robtex.com

blockchainedu.org

DNSSEC⚠️ Not signed
A20.98.152.179πŸ‡ΊπŸ‡Έ Microsoft20.64.0.0/10
NSdns1.registrar-servers.com ⭐
A2610:a1:1024::200πŸ‡ΊπŸ‡Έ MAINT-ID-120082610:a1:1024::/48 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
A156.154.132.200πŸ‡ΊπŸ‡Έ MAINT-ID-12008156.154.132.0/24 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
NSdns2.registrar-servers.com
A2610:a1:1025::200πŸ‡ΊπŸ‡Έ MAINT-ID-120082610:a1:1025::/48 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
A156.154.133.200πŸ‡ΊπŸ‡Έ MAINT-ID-12008156.154.133.0/24 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27πŸ‡ΊπŸ‡Έ Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26πŸ‡ΊπŸ‡Έ Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26πŸ‡ΊπŸ‡Έ Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26πŸ‡ΊπŸ‡Έ Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27πŸ‡ΊπŸ‡Έ Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTMS=ms45031519
TXTv=spf1 include:sendgrid.net include:_spf.google.com ~all
TXTgoogle-site-verification=V2DOWiS_Q82bgL2YgRCBsv4GHYLhPkpiJMVN2YFcu1Q
TXTgoogle-site-verification=XLinxiHeRj2p_x--6FItdbA9atMZ7jH-nsFA6ZmX-rM
TXTgoogle-site-verification=lfBMVr1_OhJ8v5qUMqP2FfkU4PHzmVx0JhCt23Qwhg4
SOAdns1.registrar-servers.comhostmaster@registrar-servers.com serial=1774237759

org

DNSSECπŸ”’ Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953

Same first word

DNS History

16 records (8 active, 8 former)

2017201820192020202120222023202420252026NSdns1.registrar-servers.comdns2.registrar-servers.comdns1.namecheaphosting.comdns2.namecheaphosting.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA20.98.152.17968.65.120.21976.76.21.21
β—‹NSdns1.namecheaphosting.com2016-12-05 β†’ 2016-12-05 Β· 3 obs
● 2016-12-05 03:03:28
β—‹ 2026-03-12 05:41:58
β—‹ 2026-03-23 05:23:44
●NSdns1.registrar-servers.com2026-03-12 β†’ 2026-03-23 Β· 3 obs
β—‹ 2016-12-05 03:03:28
● 2026-03-12 05:41:58
● 2026-03-23 05:23:44
β—‹NSdns2.namecheaphosting.com2016-12-05 β†’ 2016-12-05 Β· 3 obs
● 2016-12-05 03:03:28
β—‹ 2026-03-12 05:41:58
β—‹ 2026-03-23 05:23:44
●NSdns2.registrar-servers.com2026-03-12 β†’ 2026-03-23 Β· 3 obs
β—‹ 2016-12-05 03:03:28
● 2026-03-12 05:41:58
● 2026-03-23 05:23:44
●MXalt1.aspmx.l.google.com2016-12-05 β†’ 2026-03-23 Β· 2 obs
● 2016-12-05 03:03:28
● 2026-03-23 05:23:44
●MXalt2.aspmx.l.google.com2016-12-05 β†’ 2026-03-23 Β· 2 obs
● 2016-12-05 03:03:28
● 2026-03-23 05:23:44
●MXalt3.aspmx.l.google.com2026-03-12 β†’ 2026-03-23 Β· 3 obs
β—‹ 2016-12-05 03:03:28
● 2026-03-12 05:41:58
● 2026-03-23 05:23:44
●MXalt4.aspmx.l.google.com2026-03-12 β†’ 2026-03-23 Β· 3 obs
β—‹ 2016-12-05 03:03:28
● 2026-03-12 05:41:58
● 2026-03-23 05:23:44
●MXaspmx.l.google.com2016-12-05 β†’ 2026-03-23 Β· 2 obs
● 2016-12-05 03:03:28
● 2026-03-23 05:23:44
β—‹MXaspmx2.googlemail.com2016-12-05 β†’ 2016-12-05 Β· 3 obs
● 2016-12-05 03:03:28
β—‹ 2026-03-12 05:41:58
β—‹ 2026-03-23 05:23:44
β—‹MXaspmx3.googlemail.com2016-12-05 β†’ 2016-12-05 Β· 3 obs
● 2016-12-05 03:03:28
β—‹ 2026-03-12 05:41:58
β—‹ 2026-03-23 05:23:44
β—‹MXaspmx4.googlemail.com2016-12-05 β†’ 2016-12-05 Β· 3 obs
● 2016-12-05 03:03:28
β—‹ 2026-03-12 05:41:58
β—‹ 2026-03-23 05:23:44
β—‹MXaspmx5.googlemail.com2016-12-05 β†’ 2016-12-05 Β· 3 obs
● 2016-12-05 03:03:28
β—‹ 2026-03-12 05:41:58
β—‹ 2026-03-23 05:23:44
●A20.98.152.1792026-03-23 β†’ 2026-03-23 Β· 2 obs
β—‹ 2026-03-12 05:41:58
● 2026-03-23 05:23:44
β—‹A68.65.120.2192016-12-05 β†’ 2016-12-05 Β· 3 obs
● 2016-12-05 03:03:28
β—‹ 2026-03-12 05:41:58
β—‹ 2026-03-23 05:23:44
β—‹A76.76.21.212026-03-12 β†’ 2026-03-12 Β· 3 obs
β—‹ 2016-12-05 03:03:28
● 2026-03-12 05:41:58
β—‹ 2026-03-23 05:23:44

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
blockchainedu.orgdns1.registrar-servers.com, dns2.registrar-servers.com-

βœ… Authoritative Response

Server:156.154.132.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 285ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A120.98.152.179
NS2dns1.registrar-servers.com, dns2.registrar-servers.com
MX5aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...
TXT5MS=ms45031519, v=spf1 include:sendgrid.net include:_spf...
SOA1dns1.registrar-servers.com hostmaster.re

Analysis

IP Addresses

blockchainedu.org points to a single IP address: 20.98.152.179.

Name Servers

Two name servers dns1.registrar-servers.com and dns2.registrar-servers.com handle the delegation for blockchainedu.org.

blockchainedu.org shares the same name server setup as other domains, for example junhokim.com, legowiak.com, cryptobot.io, viva88.org and psws.org.

blockchainedu.org at least partially shares name servers with other domains, for example globalhaven.net, gigocracy.com, eunyse.com, dipsomania.net and zithromax.me.

These name servers are often used with dns3.registrar-servers.com, dns4.registrar-servers.com, dns5.registrar-servers.com, dns1.namecheaphosting.com and dns2.namecheaphosting.com.

Host names with two IP numbers:

dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200.

dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.

Mail Servers

blockchainedu.org is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

blockchainedu.org shares at least partially some mail servers with other domains, for instance ns500698.ns500758.ns500758.ns500698.ns500735.ns500735.ns500735.ns500698.ns500736.ns500735.ns500698.ns500736.ns500576.ns500708.ns500698.ns500652.ns500576.trackreceptor.com, afpgpc.org, petersonland.com, solar-aid.org and janbertelsen.com.

these mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers

Each host name points to two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27

alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26

alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26

alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26

alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27