block72.io - robtex.com

block72.io

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d133🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:1732🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.50Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.209.51🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdaniella.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26e4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdaniella.ns.cloudflare.com
A2803:f800:50::6ca2:c2e4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdaniella.ns.cloudflare.com
A2a06:98c1:50::ac40:22e4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdaniella.ns.cloudflare.com
A108.162.194.228🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdaniella.ns.cloudflare.com
A162.159.38.228Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdaniella.ns.cloudflare.com
A172.64.34.228🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdaniella.ns.cloudflare.com
NSjosh.ns.cloudflare.com
A2606:4700:58::adf5:3b7e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
A2803:f800:50::6ca2:c17e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjosh.ns.cloudflare.com
A2a06:98c1:50::ac40:217e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjosh.ns.cloudflare.com
A108.162.193.126🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
A172.64.33.126🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
A173.245.59.126🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.23.50, 172.67.209.51
IPv62606:4700:3032::ac43:d133, 2606:4700:3033::6815:1732
SOAdaniella.ns.cloudflare.comdns@cloudflare.com serial=2397506974

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐ 🔒
NSa2.nic.io 🔒
NSb0.nic.io 🔒
NSc0.nic.io 🔒
SOAa0.nic.iohostmaster@donuts.email serial=1771291657

Subdomains

www.block72.io

Same first word

block72.com
block72.de
block72.io

DNS History

16 records (11 active, 5 former)

20192020202120222023202420252026NSdaniella.ns.cloudflare.comjosh.ns.cloudflare.comns-cloud-a1.googledomains.comns-cloud-a2.googledomains.comns-cloud-a3.googledomains.comns-cloud-a4.googledomains.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.23.50172.67.209.512606:4700:3032::ac43:d1332606:4700:3033::6815:1732159.89.156.199
●NSdaniella.ns.cloudflare.com2026-02-24 → 2026-03-01 · 3 obs
○ 2018-05-17 03:22:12
● 2026-02-24 11:13:08
● 2026-03-01 09:36:22
●NSjosh.ns.cloudflare.com2026-02-24 → 2026-03-01 · 3 obs
○ 2018-05-17 03:22:12
● 2026-02-24 11:13:08
● 2026-03-01 09:36:22
○NSns-cloud-a1.googledomains.com2018-05-17 → 2018-05-17 · 3 obs
● 2018-05-17 03:22:12
○ 2026-02-24 11:13:08
○ 2026-03-01 09:36:22
○NSns-cloud-a2.googledomains.com2018-05-17 → 2018-05-17 · 3 obs
● 2018-05-17 03:22:12
○ 2026-02-24 11:13:08
○ 2026-03-01 09:36:22
○NSns-cloud-a3.googledomains.com2018-05-17 → 2018-05-17 · 3 obs
● 2018-05-17 03:22:12
○ 2026-02-24 11:13:08
○ 2026-03-01 09:36:22
○NSns-cloud-a4.googledomains.com2018-05-17 → 2018-05-17 · 3 obs
● 2018-05-17 03:22:12
○ 2026-02-24 11:13:08
○ 2026-03-01 09:36:22
●MXalt1.aspmx.l.google.com2018-05-17 → 2026-03-01 · 2 obs
● 2018-05-17 03:22:12
● 2026-03-01 09:36:22
●MXalt2.aspmx.l.google.com2018-05-17 → 2026-03-01 · 2 obs
● 2018-05-17 03:22:12
● 2026-03-01 09:36:22
●MXalt3.aspmx.l.google.com2018-05-17 → 2026-03-01 · 2 obs
● 2018-05-17 03:22:12
● 2026-03-01 09:36:22
●MXalt4.aspmx.l.google.com2018-05-17 → 2026-03-01 · 2 obs
● 2018-05-17 03:22:12
● 2026-03-01 09:36:22
●MXaspmx.l.google.com2018-05-17 → 2026-03-01 · 2 obs
● 2018-05-17 03:22:12
● 2026-03-01 09:36:22
●A104.21.23.502026-02-24 → 2026-03-01 · 3 obs
○ 2018-05-17 03:22:12
● 2026-02-24 11:13:08
● 2026-03-01 09:36:22
○A159.89.156.1992018-05-17 → 2018-05-17 · 3 obs
● 2018-05-17 03:22:12
○ 2026-02-24 11:13:08
○ 2026-03-01 09:36:22
●A172.67.209.512026-02-24 → 2026-03-01 · 3 obs
○ 2018-05-17 03:22:12
● 2026-02-24 11:13:08
● 2026-03-01 09:36:22
●A2606:4700:3032::ac43:d1332026-02-24 → 2026-03-01 · 3 obs
○ 2018-05-17 03:22:12
● 2026-02-24 11:13:08
● 2026-03-01 09:36:22
●A2606:4700:3033::6815:17322026-02-24 → 2026-03-01 · 3 obs
○ 2018-05-17 03:22:12
● 2026-02-24 11:13:08
● 2026-03-01 09:36:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
block72.iojosh.ns.cloudflare.com, daniella.ns.cloudflare.com-

✅ Authoritative Response

Server: 162.159.38.228

NS records: josh.ns.cloudflare.com, daniella.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for block72.io (unsigned zone)

⏱️ Timing

Total: 600ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.23.50, 172.67.209.51
AAAA12606:4700:130:436c:6f75:6466:6c61:7265
NS2daniella.ns.cloudflare.com, josh.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT1v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1daniella.ns.cloudflare.com dns.cloudflar

Analysis

Hierarchy

block72.io is parent of www.block72.io.

IP Addresses

block72.io points to four IP numbers: 2606:4700:3032::ac43:d133, 2606:4700:3033::6815:1732, 104.21.23.50 and 172.67.209.51.

Other host names, for instance dev.efcsn.com, jctile.cn, www.fahrradradde.com, armeyka.com and pronosticosfutbol.mx share IP numbers with block72.io.

Name Servers

block72.io's delegation is to two name servers daniella.ns.cloudflare.com and josh.ns.cloudflare.com.

block72.io shares the same name server configuration as other domains, such as stp.network, tad.pt, karafka.io, aoleynik.info and koukaon.net.

block72.io at least partially shares its name servers with other domains, for instance xhu.hu, greatlowcarbrecipes.com, rdvweb.net, 0468fc.com and adsnuke.com.

These name servers are commonly used alongside lamar.ns.cloudflare.com and alice.ns.cloudflare.com.

Host names with six IP numbers:

daniella.ns.cloudflare.com points to: 2606:4700:50::a29f:26e4, 2803:f800:50::6ca2:c2e4, 2a06:98c1:50::ac40:22e4, 108.162.194.228, 162.159.38.228 and 172.64.34.228.

josh.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7e, 2803:f800:50::6ca2:c17e, 2a06:98c1:50::ac40:217e, 108.162.193.126, 172.64.33.126 and 173.245.59.126.

Mail Servers

Five mail servers handle block72.io: 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.

block72.io shares some mail servers with other domains, including starmedic.org, americanheritagecollege.com, webxmedia.com, goodwyntea.com and ns500754.ns500754.ns500742.ns500731.ns500671.ns500704.ns500742.ns500705.ns500705.ns500671.ns500688.ns500678.ns500678.ns500678.tenderladiesbz.com.

These mail servers are commonly used alongside the mail servers aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with 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.