`crf.systems`

DNSSEC	⚠️ Not signed
NS	`frank.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`frank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`frank.ns.cloudflare.com`
		A	108.162.193.166^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	172.64.33.166^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	173.245.59.166^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
NS	`mary.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c086^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2086^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mary.ns.cloudflare.com`
		A	108.162.192.134^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	172.64.32.134^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	173.245.58.134^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
SOA	`frank.ns.cloudflare.com`dns@cloudflare.com serial=2401319119

`systems`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.systems` ⭐
	NS	`v0n1.nic.systems`
	NS	`v0n2.nic.systems`
	NS	`v0n3.nic.systems`
	NS	`v2n0.nic.systems`
	NS	`v2n1.nic.systems`
	SOA	`v0n0.nic.systems`hostmaster@donuts.email serial=1776263507

Same first word

crf.ch

crf.pl

crf.cc

crf.pt

crf.kr

crf.bio

crf.org.nz

crf.ru

crf.de

crf.be

crf.com.au

crf.dk

crf.es

crf.net

crf.nl

crf.org.uk

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crf.at

crf.com

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crf.nu

crf.co

crf.cl

crf.email

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crf.co.za

crf.org.cn

crf.jp

crf.systems

crf.mb.ca

crf.me

crf.org.au

crf.org

crf.it

crf.rs

crf.com.br

crf.co.ke

crf.edu.pl

crf.cn

crf.se

crf.hk

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fcr.ws

rcf.asso.fr

frc.us

rcf.gmbh

rfc.com.br

frc.it

frc.gov.so

frc.spb.ru

cfr.ac.tz

rcf.ca

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rfc.su

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frc.io

fcr.be

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frc.nu

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rfc.md

cfr.nl

frc.co.nz

fcr.frogans

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frc.sakura.ne.jp

frc.cn

rfc.ch

rfc.io

fcr.it

cfr.in

rfc.media

fcr.us

rcf.ch

rfc.ro

frc.ch

frc.at

frc.la

cfr.cn

fcr.com

rcf.cn

frc.pl

frc.se

fcr.org.ec

frc.co.uk

rcf.cl

rcf.de

rfc.mobi

rcf.org.uk

cfr.cz

frc.sa.gov.au

frc.com.tr

cfr.at

fcr.services

rcf.com.ar

rfc.com.ph

frc.sh

rcf.fr

rfc.co

rcf.pt

rcf.cc

rcf.it

frc.show

rfc.com.tn

rfc.fi

cfr.org

frc.fit

frc.org.uk

rfc.org

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fcr.lt

cfr.ae

frc.info

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cfr.ru

frc.team

fcr.com.br

frc.cl

cfr.fit

rfc.jp

rfc.ca

fcr.pl

DNS History

2 records (2 active, 0 former)

●NSfrank.ns.cloudflare.com2026-04-14 → 2026-04-15 · 2 obs

● 2026-04-14 03:58:36
● 2026-04-15 15:11:16

●NSmary.ns.cloudflare.com2026-04-14 → 2026-04-15 · 2 obs

● 2026-04-14 03:58:36
● 2026-04-15 15:11:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
systems	v0n0.nic.systems, v0n1.nic.systems, v0n2.nic.systems, v0n3.nic.systems...	12 records
crf.systems	mary.ns.cloudflare.com, frank.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.166

NS records: mary.ns.cloudflare.com, frank.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crf.systems (unsigned zone)

⏱️ Timing

Total: 374ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`frank.ns.cloudflare.com, mary.ns.cloudflare.com`
SOA	1	`frank.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.systems, v0n0.nic.systems, v0n1.nic.systems...)

Analysis

Name Servers

Delegation for crf.systems rests with two name servers, frank.ns.cloudflare.com and mary.ns.cloudflare.com.

crf.systems shares the same name server setup as other domains, including barbook.dk, grepmasters.net, neovideo.es, cloudhub.my and bjjkxc.com.

crf.systems at least partially shares name servers with other domains, for instance gotgame.nu, ymcasanangelo.org, wanustore.com, tomfly.eu and ranktank.org.

These name servers are commonly used with the name servers blakely.ns.cloudflare.com.

Host names with six IP numbers: frank.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba6, 2803:f800:50::6ca2:c1a6, 2a06:98c1:50::ac40:21a6, 108.162.193.166, 172.64.33.166 and 173.245.59.166. mary.ns.cloudflare.com points to: 2606:4700:50::adf5:3a86, 2803:f800:50::6ca2:c086, 2a06:98c1:50::ac40:2086, 108.162.192.134, 172.64.32.134 and 173.245.58.134.

crf.systems - robtex.com

crf.systems

systems