nullbuffer.io - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

nullbuffer.io

DNSSEC⚠️ Not signed
NSandy.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b65Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2803:f800:50::6ca2:c165Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
A2a06:98c1:50::ac40:2165Cloudflare2a06:98c1:50::/45
A108.162.193.101Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.33.101Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.59.101Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSkay.ns.cloudflare.com
MXmx2.zoho.com ⭐
A136.143.191.44🇺🇸 AS2639136.143.190.0/23
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
MXmx3.zoho.com(20)
A136.143.191.44🇺🇸 AS2639136.143.190.0/23
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
MXmx.zoho.com(50)
A136.143.183.44🇺🇸 AS2639136.143.182.0/23
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
A136.143.191.44🇺🇸 AS2639136.143.190.0/23
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
TXTv=spf1 include:zohomail.com ~all
TXTzoho-verification=zb88425706.zmverify.zoho.com
SOAandy.ns.cloudflare.comdns@cloudflare.com serial=2417900648

io

DNSSEC⚠️ Not signed
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1793622470

Same first word

nullbuffer.com
nullbuffer.io

DNS History

5 records (5 active, 0 former)

NSandy.ns.cloudflare.comkay.ns.cloudflare.comMXmx.zoho.commx2.zoho.commx3.zoho.com
●NSandy.ns.cloudflare.com2026-10-13 → 2026-11-02 · 2 obs
● 2026-10-13 03:11:12
● 2026-11-02 12:52:56
●NSkay.ns.cloudflare.com2026-10-13 → 2026-11-02 · 2 obs
● 2026-10-13 03:11:12
● 2026-11-02 12:52:56
●MXmx.zoho.com2026-10-15 → 2026-11-02 · 2 obs
● 2026-10-15 20:28:54
● 2026-11-02 12:52:56
●MXmx2.zoho.com2026-10-15 → 2026-11-02 · 2 obs
● 2026-10-15 20:28:54
● 2026-11-02 12:52:56
●MXmx3.zoho.com2026-10-15 → 2026-11-02 · 2 obs
● 2026-10-15 20:28:54
● 2026-11-02 12:52:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
nullbuffer.iokay.ns.cloudflare.com, andy.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.125

NS records: kay.ns.cloudflare.com, andy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nullbuffer.io (unsigned zone)

⏱️ Timing

Total: 892ms | Queries: -

📄 Records

TypeCountSample Data
NS2andy.ns.cloudflare.com, kay.ns.cloudflare.com
MX3mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...
TXT2v=spf1 include:zohomail.com ~all, zoho-verification=zb88425706.zmverify.zo
SOA1andy.ns.cloudflare.com dns.cloudflare.co

Analysis

Name Servers

DNS delegation for nullbuffer.io points to two name servers: andy.ns.cloudflare.com and kay.ns.cloudflare.com.

Host names with 6 IP numbers:

The host name andy.ns.cloudflare.com points to: 108.162.193.101, 172.64.33.101, 173.245.59.101 and 3 other.

Mail Servers

Incoming mail for nullbuffer.io is delivered via three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

Host names with two IP numbers:

mx.zoho.com has two IP addresses: 136.143.183.44 and 136.143.191.44.

Host names with one IP number:

The host name mx2.zoho.com points to: 136.143.191.44.

The host name mx3.zoho.com points to: 136.143.191.44.

Host names that point to 136.143.191.44 : mx.zoho.com, mx2.zoho.com and mx3.zoho.com.