diffx.org - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

diffx.org

CNAMEreadthedocs.io
DNSSEC⚠️ Not signed
A2606:4700::6810:fd78🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6810:fe78🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.16.253.120Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.16.254.120Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSivan.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b78🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivan.ns.cloudflare.com
A2803:f800:50::6ca2:c178🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRivan.ns.cloudflare.com
A2a06:98c1:50::ac40:2178🇺🇸 Cloudflare2a06:98c1:50::/45
PTRivan.ns.cloudflare.com
A108.162.193.120🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivan.ns.cloudflare.com
A172.64.33.120🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivan.ns.cloudflare.com
A173.245.59.120🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivan.ns.cloudflare.com
NStegan.ns.cloudflare.com
A2606:4700:50::adf5:3ae2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
A2803:f800:50::6ca2:c0e2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtegan.ns.cloudflare.com
A2a06:98c1:50::ac40:20e2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtegan.ns.cloudflare.com
A108.162.192.226🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
A172.64.32.226🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
A173.245.58.226🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:200d::1b🇺🇸 Google2607:f8b0::/32
PTRyuphxrp-in-f27.1e100.net
A192.178.231.27🇺🇸 Google192.178.0.0/15
PTRyuphxrp-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.26🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f26.1e100.net
MXaspmx2.googlemail.com(10)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXaspmx3.googlemail.com(10)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.16.253.120, 104.16.254.120
IPv6 hints2606:4700::6810:fd78, 2606:4700::6810:fe78
SOAivan.ns.cloudflare.comdns@cloudflare.com serial=2415744302

org

DNSSEC🔒 Signed (DS record present)
NSv0n0.pir-ns.org ⭐
NSb2.org.afilias-nst.org ⚠️ Not in zone NS records
NSd0.org.afilias-nst.org ⚠️ Not in zone NS records
NSv0n1.pir-ns.org
NSv0n2.pir-ns.org
NSv0n3.pir-ns.org ⚠️ Not in parent delegation
NSv2n0.pir-ns.org ⚠️ Not in parent delegation
NSv2n1.pir-ns.org ⚠️ Not in parent delegation
SOAv0n0.pir-ns.orghostmaster@donuts.email serial=1794413257

Same first word

Similar names

Previous names

Next names

DNS History

8 records (8 active, 0 former)

NSdns1.registrar-servers.comdns2.registrar-servers.comMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.comCNAMEreadthedocs.io
●NSdns1.registrar-servers.com2026-09-10 → 2026-11-11 · 2 obs
● 2026-09-10 20:19:06
● 2026-11-11 16:41:50
●NSdns2.registrar-servers.com2026-09-10 → 2026-11-11 · 2 obs
● 2026-09-10 20:19:06
● 2026-11-11 16:41:50
●MXeforward1.registrar-servers.com2026-09-10 → 2026-11-11 · 2 obs
● 2026-09-10 20:19:06
● 2026-11-11 16:41:50
●MXeforward2.registrar-servers.com2026-09-10 → 2026-11-11 · 2 obs
● 2026-09-10 20:19:06
● 2026-11-11 16:41:50
●MXeforward3.registrar-servers.com2026-09-10 → 2026-11-11 · 2 obs
● 2026-09-10 20:19:06
● 2026-11-11 16:41:50
●MXeforward4.registrar-servers.com2026-09-10 → 2026-11-11 · 2 obs
● 2026-09-10 20:19:06
● 2026-11-11 16:41:50
●MXeforward5.registrar-servers.com2026-09-10 → 2026-11-11 · 2 obs
● 2026-09-10 20:19:06
● 2026-11-11 16:41:50
●CNAMEreadthedocs.io2026-09-10 → 2026-11-11 · 2 obs
● 2026-09-10 20:19:06
● 2026-11-11 16:41:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, v0n0.pir-ns.org, v0n1.pir-ns.org...-
diffx.orgdns1.registrar-servers.com, dns2.registrar-servers.com-

✅ Authoritative Response

Server:156.154.133.200

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 440ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns1.registrar-servers.com, dns2.registrar-servers.com
MX5eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...
TXT1v=spf1 include:spf.efwd.registrar-server
CNAME1readthedocs.io
SOA1dns1.registrar-servers.com hostmaster.re

Analysis

IP Addresses

diffx.org has four IP addresses: 104.16.253.120, 104.16.254.120, 2606:4700::6810:fd78 and 2606:4700::6810:fe78.

Additional host names — lime.readthedocs.io, particle-firmware.readthedocs.io, spritejs.readthedocs.io and two others — share IP numbers with diffx.org.

Name Servers

diffx.org uses two name servers for its delegation: ivan.ns.cloudflare.com and tegan.ns.cloudflare.com.

diffx.org shares its name server setup with other domains, including manage-business-verification-meta-id1000401145676199037273.pages.dev, freegameent.pages.dev, editimgapp.info and two others.

diffx.org shares at least some of its name servers with other domains, including nekatikat.workers.dev, 78winapp.vip, redlinerivals.xyz and two others.

These name servers are frequently paired with the name servers erin.ns.cloudflare.com and mustafa.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname ivan.ns.cloudflare.com directs to 108.162.193.120, 172.64.33.120 and 173.245.59.120 along with 3 other IP addresses.

Hostname tegan.ns.cloudflare.com directs to 108.162.192.226, 172.64.32.226 and 173.245.58.226 along with 3 other IP addresses.

Mail Servers

Mail for diffx.org is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

diffx.org shares mail servers — at least in part — with other domains, including helimicrovivid.com, vegafintech.vn, efbc.pl and two others.

These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

aspmx2.googlemail.com directs traffic to 172.253.145.27 and 2607:f8b0:4023:3003::1a.

aspmx3.googlemail.com directs traffic to 172.253.135.27 and 2607:f8b0:4023:1015::1a.

aspmx.l.google.com directs traffic to 192.178.231.27 and 2607:f8b0:4023:200d::1b.

alt1.aspmx.l.google.com directs traffic to 172.253.145.26 and 2607:f8b0:4023:3003::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.135.26 and 2607:f8b0:4023:1015::1b.

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 2607:f8b0:4023:3003::1a IP addresses each.