cerf.online - robtex.com

cerf.online

DNSSEC⚠️ Not signed
A91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSreese.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c75🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
A2803:f800:50::6ca2:c375🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRreese.ns.cloudflare.com
A2a06:98c1:50::ac40:2375🇺🇸 Cloudflare2a06:98c1:50::/45
PTRreese.ns.cloudflare.com
A108.162.195.117🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
A162.159.44.117Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
A172.64.35.117🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
NSviolet.ns.cloudflare.com
A2606:4700:50::adf5:3aed🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A2803:f800:50::6ca2:c0ed🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRviolet.ns.cloudflare.com
A2a06:98c1:50::ac40:20ed🇺🇸 Cloudflare2a06:98c1:50::/45
PTRviolet.ns.cloudflare.com
A108.162.192.237🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A172.64.32.237🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A173.245.58.237🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
TXT939616311d97b34e028458fb6a06ff07d76b1ed6
TXTafternic-verification-7ZS7HHZ8mMXPbzcs3ACPR8
SOAreese.ns.cloudflare.comdns@cloudflare.com serial=2406751907

online

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1781631508
⚠️ On DNS blocklist: tif

Same first word

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cerf.us
cerf.ro
cerf.me
cerf.info
cerf.eu
cerf.net
cerf.com
cerf.ru
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cerf.ch
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cerf.be
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Similar names

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cref.de
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frec.org
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ercf.com
efcr.org
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rcfe.us
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frec.co
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cfer.net
ecfr.us
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ferc.gov.pl
ferc.com
frce.nl
ecrf.hu
recf.events
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efcr.ca
cfer.org.uk
frec.eu
efcr.site
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fecr.ru
frce.fr
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frce.com
rfec.net
fcer.org
ecrf.fr
frec.ru
rfec.co.jp
cref.org.tw
cref.school
frec.info
rcfe.org
ferc.info
frec.se
cefr.net
cefr.be
cfre.info
cefr.vn
cfer.co
fcer.de
recf.info
efrc.net
rcef.co.uk
cfer.com
ferc.org
fecr.com
ferc.net
ecfr.com
ferc.gov
rfec.co.uk
fcre.cn
erfc.gr
efrc.online
rfce.fr
crfe.org
efrc.com
frec.com.br
frec.pl
ecrf.biz
cfer.cn
cref.ca
recf.jp
cefr.ch
erfc.fr
cref.or.kr
fcre.it
cfre.com
cref.org
cref.jp
fcre.com
ecfr.org
rcef.net
ecfr.nl
ecfr.cn
rcfe.de
ecrf.in
fcer.com
cefr.io
erfc.de
cref.info
ercf.blogspot.co.uk
ercf.de
rcfe.guru
erfc.com
frec.de
cfre.in
cref.co
frec.co.ir
erfc.net
frec.no
rfec.de
frec.us
rcfe.net
crfe.com
fcre.top
ecrf.fi
refc.ru
frec.solutions
fcre.co.jp
fecr.in
cref.net
ecfr.gov
frec.com
recf.com
rfec.ru
efrc.ru
cref.com.au
ecrf.be
rcfe.com
frec.org.uk
erfc.us
cref.fr
ecrf.kr
ecrf.de
ecrf.cn
ecrf.net
cfre.net
recf.ca
cefr.com
crfe.info
cefr.asso.fr
cref.cc

DNS History

3 records (3 active, 0 former)

NSreese.ns.cloudflare.comviolet.ns.cloudflare.comA91.195.241.232
●NSreese.ns.cloudflare.com2026-05-21 → 2026-06-16 · 2 obs
● 2026-05-21 04:23:12
● 2026-06-16 17:50:16
●NSviolet.ns.cloudflare.com2026-05-21 → 2026-06-16 · 2 obs
● 2026-05-21 04:23:12
● 2026-06-16 17:50:16
●A91.195.241.2322026-05-21 → 2026-06-16 · 2 obs
● 2026-05-21 04:23:12
● 2026-06-16 17:50:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
onlinens10.trs-dns.info, ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.org8 records
cerf.onlinereese.ns.cloudflare.com, violet.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.237

NS records: reese.ns.cloudflare.com, violet.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cerf.online (unsigned zone)

⏱️ Timing

Total: 303ms | Queries: -

📄 Records

TypeCountSample Data
A191.195.241.232
NS2reese.ns.cloudflare.com, violet.ns.cloudflare.com
TXT2939616311d97b34e028458fb6a06ff07d76b1ed6, afternic-verification-7ZS7HHZ8mMXPbzcs3A
SOA1reese.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns10.trs-dns.info, ns10.trs-dns.info, ns01.trs-dns.net...)

Analysis

IP Addresses

cerf.online points to a single IP number: 91.195.241.232.

Additional host names — mhonline.eu, mx9.realcare.eu, mail.berlin and two others — share IP numbers with cerf.online.

Name Servers

cerf.online uses two name servers for its delegation: reese.ns.cloudflare.com and violet.ns.cloudflare.com.

cerf.online shares its name server setup with other domains, including atls.online, smarthomestore.eu, movemaster.eu and two others.

There is at least partial name server overlap between cerf.online and other domains — hostingdex.nl, houseofallsocials.nl, supplyoutdoorshop.com and two more among them.

These name servers frequently co-occur with the name servers amalia.ns.cloudflare.com and surina.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname reese.ns.cloudflare.com directs to 108.162.195.117, 162.159.44.117 and 172.64.35.117 along with 3 other IP addresses.

Hostname violet.ns.cloudflare.com directs to 108.162.192.237, 172.64.32.237 and 173.245.58.237 along with 3 other IP addresses.