mail.uselessknowledge.co.za - robtex.com

mail.uselessknowledge.co.za

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:df4f🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:56b4🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.180Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.79🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.86.180, 172.67.223.79
IPv6 hints2606:4700:3034::ac43:df4f, 2606:4700:3037::6815:56b4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=117, name=cloudflare-ech.com

uselessknowledge.co.za

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:df4f🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:56b4🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.180Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.79🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelijah.ns.cloudflare.com ⭐
NSzita.ns.cloudflare.com
MXmx1.tld-mx.com ⭐
TXTgoogle-site-verification=B-UvykHSacfRP8kjJwwuRymbpJlOdmRd8U8_aMl1Eqc
TXTv=spf1 +a +mx include:_spf.tld-mx.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.86.180, 172.67.223.79
IPv6 hints2606:4700:3034::ac43:df4f, 2606:4700:3037::6815:56b4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=117, name=cloudflare-ech.com
SOAelijah.ns.cloudflare.comdns@cloudflare.com serial=2402267907
WOT: UNKNOWN (60/100)
WOT: UNKNOWN (64/100)

Previously MX for

uselessknowledge.co.za

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.86.180172.67.223.792606:4700:3034::ac43:df4f2606:4700:3037::6815:56b482.163.79.49
●A104.21.86.1802026-04-24 → 2026-04-24 · 3 obs
○ 2017-05-07 09:59:14
● 2026-04-24 03:32:48
● 2026-04-24 03:32:50
●A172.67.223.792026-04-24 → 2026-04-24 · 3 obs
○ 2017-05-07 09:59:14
● 2026-04-24 03:32:48
● 2026-04-24 03:32:50
●A2606:4700:3034::ac43:df4f2026-04-24 → 2026-04-24 · 3 obs
○ 2017-05-07 09:59:14
● 2026-04-24 03:32:48
● 2026-04-24 03:32:50
●A2606:4700:3037::6815:56b42026-04-24 → 2026-04-24 · 3 obs
○ 2017-05-07 09:59:14
● 2026-04-24 03:32:48
● 2026-04-24 03:32:50
○A82.163.79.492015-07-18 → 2017-05-07 · 4 obs
● 2015-07-18 16:38:50
● 2017-05-07 09:59:14
○ 2026-04-24 03:32:48
○ 2026-04-24 03:32:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
co.zans5.dns.net.za, ns2us.dns.business, ns2.dns.net.za, ns.coza.net.za...-
uselessknowledge.co.zazita.ns.cloudflare.com, elijah.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.253

NS records: zita.ns.cloudflare.com, elijah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for co.za (unsigned zone)

⏱️ Timing

Total: 530ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.223.79, 104.21.86.180
AAAA22606:4700:3034::ac43:df4f, 2606:4700:3037::6815:56b4
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.uselessknowledge.co.za maps to four IP numbers: 2606:4700:3034::ac43:df4f, 2606:4700:3037::6815:56b4, 104.21.86.180 and 172.67.223.79.

other host names include www.boot.hk, 37151990.com.cdn.cloudflare.net, bdg-architecture.com, azala.info and ekies.gr; they share IP numbers with mail.uselessknowledge.co.za.