`cf.cdn.systemdiscs.com`

DNSSEC	⚠️ Not signed
A	3.166.181.33^{🇺🇸 Amazon3.166.176.0/21}
		PTR	`server-3-166-181-33.mia50.r.cloudfront.net`
A	3.166.181.61^{🇺🇸 Amazon3.166.176.0/21}
A	3.166.181.88^{🇺🇸 Amazon3.166.176.0/21}
A	3.166.181.108^{🇺🇸 Amazon3.166.176.0/21}

Same first word

cf.agency

cf.ac.uk

cf.tools

cf.technology

cf.sa

cf.se

cf.rt.ht

cf.de

cf.finance

cf.cz

cf.by

cf.ac

cf.gs

cf.net

cf.ua

cf.rs

cf.kz

cf.me

cf.to

cf.vg

cf.ae

cf.lk

cf.org.pk

cf.saxo

cf.org.sa

cf.dj

cf.church

cf.fi

cf.gob.pe

cf.careers

cf.la

cf.com

cf.ro

cf.org.mx

cf.no

cf.dk

cf.app

cf.com.vn

cf.sg

cf.au

cf.lv

cf.akamai.net

cf.life

cf.cr

cf.ph

cf.edu

cf.training

cf.org

cf.com.br

cf.hu

cf.su

cf.country

cf.ink

cf.fyi

cf.cm

cf.co.za

cf.academy

cf.center

cf.pl

cf.dnsalias.com

cf.wtf

cf

cf.news

cf.dev

cf.com.mx

cf.vc

cf.ru

cf.cn

cf.akamaiedge.net

cf.co.kr

cf.nl

cf.kiev.ua

cf.ax

Similar names

fc.one

fc.email

fc.tmp.br

fc.pe

fc.jx.cn

fc.bayern

fc.lt

fc.hk

fc.ru

fc.media

fc.org

fc.lv

fc.cn

fc.koeln

fc.cx

fc.or.kr

fc.be

fc.com.sg

fc.sumy.ua

fc.coach

fc.agency

fc.si

fc.church

fc.gov.pk

fc.football

fc.co

fc.sg

fc.bj.cn

fc.eu

fc.company

fc.zone

fc.ca

fc.tc

fc.med.sa

fc.ee

fc.net

fc.sn.cn

fc.fi

fc.cz

fc.lc

fc.dz

fc.ms

fc.group

fc.net.au

fc.tt

fc.wtf

fc.to

fc.business

fc.nz

fc.team

fc.biz

fc.nl

fc.hu

fc.org.br

fc.org.cn

fc.zuerich

fc.by

fc.cc

fc.su

fc.world

fc.cl

fc.com.ua

fc.technology

fc.com.es

fc.lviv.ua

fc.de

fc.se

DNS History

36 records (4 active, 32 former)

○A13.249.182.1292026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-25 04:25:50
● 2026-03-25 09:51:26
○ 2026-03-25 14:31:24
○ 2026-04-12 17:24:00

○A13.249.182.162026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-25 04:25:50
● 2026-03-25 09:51:26
○ 2026-03-25 14:31:24
○ 2026-04-12 17:24:00

○A13.249.182.262026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-25 04:25:50
● 2026-03-25 09:51:26
○ 2026-03-25 14:31:24
○ 2026-04-12 17:24:00

○A13.249.182.772026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-25 04:25:50
● 2026-03-25 09:51:26
○ 2026-03-25 14:31:24
○ 2026-04-12 17:24:00

○A13.35.78.1042026-03-26 → 2026-03-27 · 7 obs

○ 2026-03-25 14:31:24
● 2026-03-26 01:36:24
● 2026-03-26 15:03:08
○ 2026-03-27 02:32:36
● 2026-03-27 03:15:38
○ 2026-03-27 06:35:22
○ 2026-04-12 17:24:00

○A13.35.78.322026-03-26 → 2026-03-27 · 7 obs

○ 2026-03-25 14:31:24
● 2026-03-26 01:36:24
● 2026-03-26 15:03:08
○ 2026-03-27 02:32:36
● 2026-03-27 03:15:38
○ 2026-03-27 06:35:22
○ 2026-04-12 17:24:00

○A13.35.78.392026-03-26 → 2026-03-27 · 7 obs

○ 2026-03-25 14:31:24
● 2026-03-26 01:36:24
● 2026-03-26 15:03:08
○ 2026-03-27 02:32:36
● 2026-03-27 03:15:38
○ 2026-03-27 06:35:22
○ 2026-04-12 17:24:00

○A13.35.78.552026-03-26 → 2026-03-27 · 7 obs

○ 2026-03-25 14:31:24
● 2026-03-26 01:36:24
● 2026-03-26 15:03:08
○ 2026-03-27 02:32:36
● 2026-03-27 03:15:38
○ 2026-03-27 06:35:22
○ 2026-04-12 17:24:00

○A18.165.9.1232026-03-29 → 2026-04-06 · 7 obs

○ 2026-03-29 02:50:34
● 2026-03-29 14:10:16
○ 2026-03-29 16:13:30
○ 2026-04-06 00:31:14
● 2026-04-06 08:24:30
○ 2026-04-06 10:33:34
○ 2026-04-12 17:24:00

○A18.165.9.152026-03-29 → 2026-04-06 · 7 obs

○ 2026-03-29 02:50:34
● 2026-03-29 14:10:16
○ 2026-03-29 16:13:30
○ 2026-04-06 00:31:14
● 2026-04-06 08:24:30
○ 2026-04-06 10:33:34
○ 2026-04-12 17:24:00

○A18.165.9.682026-03-29 → 2026-04-06 · 7 obs

○ 2026-03-29 02:50:34
● 2026-03-29 14:10:16
○ 2026-03-29 16:13:30
○ 2026-04-06 00:31:14
● 2026-04-06 08:24:30
○ 2026-04-06 10:33:34
○ 2026-04-12 17:24:00

○A18.165.9.772026-03-29 → 2026-04-06 · 7 obs

○ 2026-03-29 02:50:34
● 2026-03-29 14:10:16
○ 2026-03-29 16:13:30
○ 2026-04-06 00:31:14
● 2026-04-06 08:24:30
○ 2026-04-06 10:33:34
○ 2026-04-12 17:24:00

○A216.137.53.1012026-03-27 → 2026-04-12 · 41 obs

○ 2026-03-26 15:03:08
● 2026-03-27 02:32:36
○ 2026-03-27 03:15:38
● 2026-03-27 06:35:22
● 2026-03-27 09:49:42
○ 2026-03-27 11:37:20
● 2026-03-27 18:42:42
● 2026-03-29 02:50:34
○ 2026-03-29 14:10:16
● 2026-03-29 16:13:30
● 2026-04-01 01:23:26
○ 2026-04-01 03:59:48
● 2026-04-01 17:32:06
● 2026-04-02 08:03:14
○ 2026-04-02 08:42:28
● 2026-04-02 10:23:40
● 2026-04-03 06:18:20
○ 2026-04-03 09:10:32
● 2026-04-03 11:26:16
● 2026-04-04 20:21:56
○ 2026-04-04 22:41:16
● 2026-04-05 05:07:14
● 2026-04-05 15:33:24
○ 2026-04-05 16:28:18
● 2026-04-05 17:40:22
○ 2026-04-05 19:26:26
● 2026-04-05 20:58:50
● 2026-04-06 00:31:14
○ 2026-04-06 08:24:30
● 2026-04-06 10:33:34
● 2026-04-07 08:05:18
○ 2026-04-07 15:36:18
● 2026-04-07 18:25:34
● 2026-04-08 20:52:10
○ 2026-04-08 22:10:16
● 2026-04-09 00:36:10
● 2026-04-10 08:37:44
○ 2026-04-10 12:32:26
● 2026-04-10 13:29:22
● 2026-04-12 15:17:02
○ 2026-04-12 17:24:00

○A216.137.53.142026-03-27 → 2026-04-12 · 41 obs

○A216.137.53.152026-03-27 → 2026-04-12 · 41 obs

○A216.137.53.692026-03-27 → 2026-04-12 · 41 obs

○A3.161.188.1222026-04-02 → 2026-04-07 · 13 obs

○ 2026-04-02 08:03:14
● 2026-04-02 08:42:28
○ 2026-04-02 10:23:40
○ 2026-04-03 06:18:20
● 2026-04-03 09:10:32
○ 2026-04-03 11:26:16
○ 2026-04-04 20:21:56
● 2026-04-04 22:41:16
○ 2026-04-05 05:07:14
○ 2026-04-07 08:05:18
● 2026-04-07 15:36:18
○ 2026-04-07 18:25:34
○ 2026-04-12 17:24:00

○A3.161.188.1272026-04-02 → 2026-04-07 · 13 obs

○A3.161.188.212026-04-02 → 2026-04-07 · 13 obs

○A3.161.188.432026-04-02 → 2026-04-07 · 13 obs

●A3.166.181.1082026-04-01 → 2026-04-12 · 11 obs

○ 2026-04-01 01:23:26
● 2026-04-01 03:59:48
○ 2026-04-01 17:32:06
○ 2026-04-08 20:52:10
● 2026-04-08 22:10:16
○ 2026-04-09 00:36:10
○ 2026-04-10 08:37:44
● 2026-04-10 12:32:26
○ 2026-04-10 13:29:22
○ 2026-04-12 15:17:02
● 2026-04-12 17:24:00

●A3.166.181.332026-04-01 → 2026-04-12 · 11 obs

●A3.166.181.612026-04-01 → 2026-04-12 · 11 obs

●A3.166.181.882026-04-01 → 2026-04-12 · 11 obs

○A3.173.161.1212026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 15:33:24
● 2026-04-05 16:28:18
○ 2026-04-05 17:40:22
○ 2026-04-12 17:24:00

○A3.173.161.32026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 15:33:24
● 2026-04-05 16:28:18
○ 2026-04-05 17:40:22
○ 2026-04-12 17:24:00

○A3.173.161.552026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 15:33:24
● 2026-04-05 16:28:18
○ 2026-04-05 17:40:22
○ 2026-04-12 17:24:00

○A3.173.161.882026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 15:33:24
● 2026-04-05 16:28:18
○ 2026-04-05 17:40:22
○ 2026-04-12 17:24:00

○A3.174.113.232026-03-25 → 2026-03-27 · 8 obs

● 2026-03-25 04:25:50
○ 2026-03-25 09:51:26
● 2026-03-25 14:31:24
○ 2026-03-26 01:36:24
○ 2026-03-27 09:49:42
● 2026-03-27 11:37:20
○ 2026-03-27 18:42:42
○ 2026-04-12 17:24:00

○A3.174.113.72026-03-25 → 2026-03-27 · 8 obs

● 2026-03-25 04:25:50
○ 2026-03-25 09:51:26
● 2026-03-25 14:31:24
○ 2026-03-26 01:36:24
○ 2026-03-27 09:49:42
● 2026-03-27 11:37:20
○ 2026-03-27 18:42:42
○ 2026-04-12 17:24:00

○A3.174.113.722026-03-25 → 2026-03-27 · 8 obs

● 2026-03-25 04:25:50
○ 2026-03-25 09:51:26
● 2026-03-25 14:31:24
○ 2026-03-26 01:36:24
○ 2026-03-27 09:49:42
● 2026-03-27 11:37:20
○ 2026-03-27 18:42:42
○ 2026-04-12 17:24:00

○A3.174.113.852026-03-25 → 2026-03-27 · 8 obs

● 2026-03-25 04:25:50
○ 2026-03-25 09:51:26
● 2026-03-25 14:31:24
○ 2026-03-26 01:36:24
○ 2026-03-27 09:49:42
● 2026-03-27 11:37:20
○ 2026-03-27 18:42:42
○ 2026-04-12 17:24:00

○A99.84.234.492026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 17:40:22
● 2026-04-05 19:26:26
○ 2026-04-05 20:58:50
○ 2026-04-12 17:24:00

○A99.84.234.642026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 17:40:22
● 2026-04-05 19:26:26
○ 2026-04-05 20:58:50
○ 2026-04-12 17:24:00

○A99.84.234.822026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 17:40:22
● 2026-04-05 19:26:26
○ 2026-04-05 20:58:50
○ 2026-04-12 17:24:00

○A99.84.234.832026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 17:40:22
● 2026-04-05 19:26:26
○ 2026-04-05 20:58:50
○ 2026-04-12 17:24:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net...	-
systemdiscs.com	ns-240.awsdns-30.com, ns-560.awsdns-06.net, ns-1371.awsdns-43.org, ns-2038.awsdns-62.co.uk	1 record

✅ Authoritative Response

Server:205.251.199.246

NS records: ns-240.awsdns-30.com, ns-560.awsdns-06.net, ns-1371.awsdns-43.org, ns-2038.awsdns-62.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemdiscs.com (unsigned zone)

⏱️ Timing

Total: 292ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.166.181.108, 3.166.181.88...`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-240.awsdns-30.com)

Analysis

IP Addresses

cf.cdn.systemdiscs.com maps to four IP numbers: 3.166.181.33, 3.166.181.61, 3.166.181.88 and 3.166.181.108.

Other host names such as therightpen.com, srvc.to, image-resizer.prod.invia-travel.io, telemetry.totalplay.sgc-services.com and dev.ribbonenergy.jp share IPs with cf.cdn.systemdiscs.com.

	CNAME	`cdn.systemdiscs.com.s3.amazonaws.com`
	CNAME	`s3-1-w.amazonaws.com`
	CNAME	`s3-w.us-east-1.amazonaws.com`
	DNSSEC	⚠️ Not signed
	A	3.5.7.170^{🇺🇸 Amazon3.5.7.0/24 EC2 Prefix}
	A	3.5.29.28^{🇺🇸 Amazon3.5.29.0/24 EC2 Prefix}
	A	16.15.207.90^{🇺🇸 Amazon16.15.200.0/21 EC2 Prefix}
	A	16.15.252.154^{🇺🇸 Amazon16.15.248.0/21 EC2 Prefix}
	A	16.15.253.215^{🇺🇸 Amazon16.15.248.0/21 EC2 Prefix}
	A	52.216.95.155^{🇺🇸 Amazon52.216.95.0/24 AWS S3}
	A	52.217.129.209^{🇺🇸 Amazon52.217.128.0/19 AWS S3}
	A	54.231.201.129^{🇺🇸 Amazon54.231.192.0/19}
	NS	`ns-328.awsdns-41.com` ⭐
	NS	`ns-1173.awsdns-18.org`
	NS	`ns-1620.awsdns-10.co.uk`
	NS	`ns-674.awsdns-20.net`
	TXT	`38361f7847dfc47d25ea018cc49d2d4b`
	SOA	`ns-328.awsdns-41.com`awsdns-hostmaster@amazon.com serial=1

cf.cdn.systemdiscs.com - robtex.com