cf.sysupdate.top - robtex.com

cf.sysupdate.top

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:9ec5🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:4264🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.66.100Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.197🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.66.100, 172.67.158.197
IPv6 hints2606:4700:3033::ac43:9ec5, 2606:4700:3035::6815:4264
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=165, name=cloudflare-ech.com

sysupdate.top

DNSSEC⚠️ Not signed
NSgannon.ns.cloudflare.com ⭐
NSsimone.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
MXroute2.mx.cloudflare.net(89)
MXroute3.mx.cloudflare.net(93)
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
SOAgannon.ns.cloudflare.comdns@cloudflare.com serial=2410260125
📈 Tranco rank: #109,018

Same first word

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fc.run
fc.org.br
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fc.zuerich
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fc.com.ua

DNS History

8 records (4 active, 4 former)

A104.21.66.100172.67.158.1972606:4700:3033::ac43:9ec52606:4700:3035::6815:4264172.64.80.12606:4700:130:436c:6f75:6466:6c61:72652606:4700:3033::6815:42642606:4700:3037::ac43:9ec5
●A104.21.66.1002026-03-10 → 2026-07-27 · 7 obs
● 2026-03-10 18:43:00
○ 2026-03-16 04:40:56
● 2026-03-16 11:25:04
● 2026-03-20 11:19:08
○ 2026-03-23 02:20:44
● 2026-03-23 03:24:36
● 2026-07-27 10:46:18
○A172.64.80.12026-03-16 → 2026-03-23 · 7 obs
○ 2026-03-10 18:43:00
● 2026-03-16 04:40:56
○ 2026-03-16 11:25:04
○ 2026-03-20 11:19:08
● 2026-03-23 02:20:44
○ 2026-03-23 03:24:36
○ 2026-07-27 10:46:18
●A172.67.158.1972026-03-10 → 2026-07-27 · 7 obs
● 2026-03-10 18:43:00
○ 2026-03-16 04:40:56
● 2026-03-16 11:25:04
● 2026-03-20 11:19:08
○ 2026-03-23 02:20:44
● 2026-03-23 03:24:36
● 2026-07-27 10:46:18
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-16 → 2026-03-23 · 7 obs
○ 2026-03-10 18:43:00
● 2026-03-16 04:40:56
○ 2026-03-16 11:25:04
○ 2026-03-20 11:19:08
● 2026-03-23 02:20:44
○ 2026-03-23 03:24:36
○ 2026-07-27 10:46:18
○A2606:4700:3033::6815:42642026-03-10 → 2026-06-08 · 9 obs
● 2026-03-10 18:43:00
○ 2026-03-16 04:40:56
● 2026-03-16 11:25:04
● 2026-03-20 11:19:08
○ 2026-03-23 02:20:44
● 2026-03-23 03:24:36
● 2026-06-08 22:25:20
○ 2026-06-26 06:17:44
○ 2026-07-27 10:46:18
●A2606:4700:3033::ac43:9ec52026-06-26 → 2026-07-27 · 3 obs
○ 2026-06-08 22:25:20
● 2026-06-26 06:17:44
● 2026-07-27 10:46:18
●A2606:4700:3035::6815:42642026-06-26 → 2026-07-27 · 3 obs
○ 2026-06-08 22:25:20
● 2026-06-26 06:17:44
● 2026-07-27 10:46:18
○A2606:4700:3037::ac43:9ec52026-03-10 → 2026-06-08 · 9 obs
● 2026-03-10 18:43:00
○ 2026-03-16 04:40:56
● 2026-03-16 11:25:04
● 2026-03-20 11:19:08
○ 2026-03-23 02:20:44
● 2026-03-23 03:24:36
● 2026-06-08 22:25:20
○ 2026-06-26 06:17:44
○ 2026-07-27 10:46:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
topa.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com, d.zdnscloud.com...-
sysupdate.topgannon.ns.cloudflare.com, simone.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.26

NS records: gannon.ns.cloudflare.com, simone.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysupdate.top (unsigned zone)

⏱️ Timing

Total: 405ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.158.197, 104.21.66.100
AAAA22606:4700:3033::ac43:9ec5, 2606:4700:3035::6815:4264
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

cf.sysupdate.top resolves to four IP addresses: 104.21.66.100, 172.67.158.197, 2606:4700:3033::ac43:9ec5 and 2606:4700:3035::6815:4264.

irsg.ie, erectionshop.net, isaarbor.net and two other host names share IP numbers with cf.sysupdate.top.