cf4vn.com - robtex.com

cf4vn.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:212🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:8095🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.2.18Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.128.149🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdoug.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b9f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdoug.ns.cloudflare.com
A2803:f800:50::6ca2:c19f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdoug.ns.cloudflare.com
A2a06:98c1:50::ac40:219f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdoug.ns.cloudflare.com
A108.162.193.159🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdoug.ns.cloudflare.com
A172.64.33.159🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdoug.ns.cloudflare.com
A173.245.59.159🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdoug.ns.cloudflare.com
NSroxy.ns.cloudflare.com
A2606:4700:50::adf5:3a8e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroxy.ns.cloudflare.com
A2803:f800:50::6ca2:c08e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRroxy.ns.cloudflare.com
A2a06:98c1:50::ac40:208e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRroxy.ns.cloudflare.com
A108.162.192.142🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroxy.ns.cloudflare.com
A172.64.32.142🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroxy.ns.cloudflare.com
A173.245.58.142🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroxy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.2.18, 172.67.128.149
IPv62606:4700:3032::6815:212, 2606:4700:3036::ac43:8095
SOAdoug.ns.cloudflare.comdns@cloudflare.com serial=2398623430

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774664157

Same first word

cf4vn.biz
cf4vn.pro
cf4vn.com

DNS History

11 records (6 active, 5 former)

2017201820192020202120222023202420252026NSdoug.ns.cloudflare.comroxy.ns.cloudflare.comns11.domaincontrol.comns12.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA104.21.2.18172.67.128.1492606:4700:3032::6815:2122606:4700:3036::ac43:8095184.168.221.19
●NSdoug.ns.cloudflare.com2026-03-02 → 2026-03-28 · 3 obs
○ 2018-07-23 21:18:16
● 2026-03-02 13:37:16
● 2026-03-28 02:17:08
○NSns11.domaincontrol.com2016-12-20 → 2018-07-23 · 4 obs
● 2016-12-20 11:18:14
● 2018-07-23 21:18:16
○ 2026-03-02 13:37:16
○ 2026-03-28 02:17:08
○NSns12.domaincontrol.com2016-12-20 → 2018-07-23 · 4 obs
● 2016-12-20 11:18:14
● 2018-07-23 21:18:16
○ 2026-03-02 13:37:16
○ 2026-03-28 02:17:08
●NSroxy.ns.cloudflare.com2026-03-02 → 2026-03-28 · 3 obs
○ 2018-07-23 21:18:16
● 2026-03-02 13:37:16
● 2026-03-28 02:17:08
○MXmailstore1.secureserver.net2016-12-20 → 2018-07-23 · 4 obs
● 2016-12-20 11:18:14
● 2018-07-23 21:18:16
○ 2026-03-02 13:37:16
○ 2026-03-28 02:17:08
○MXsmtp.secureserver.net2016-12-20 → 2018-07-23 · 4 obs
● 2016-12-20 11:18:14
● 2018-07-23 21:18:16
○ 2026-03-02 13:37:16
○ 2026-03-28 02:17:08
●A104.21.2.182026-03-02 → 2026-03-28 · 3 obs
○ 2018-07-23 21:18:16
● 2026-03-02 13:37:16
● 2026-03-28 02:17:08
●A172.67.128.1492026-03-02 → 2026-03-28 · 3 obs
○ 2018-07-23 21:18:16
● 2026-03-02 13:37:16
● 2026-03-28 02:17:08
○A184.168.221.192016-12-20 → 2018-07-23 · 4 obs
● 2016-12-20 11:18:14
● 2018-07-23 21:18:16
○ 2026-03-02 13:37:16
○ 2026-03-28 02:17:08
●A2606:4700:3032::6815:2122026-03-02 → 2026-03-28 · 3 obs
○ 2018-07-23 21:18:16
● 2026-03-02 13:37:16
● 2026-03-28 02:17:08
●A2606:4700:3036::ac43:80952026-03-02 → 2026-03-28 · 3 obs
○ 2018-07-23 21:18:16
● 2026-03-02 13:37:16
● 2026-03-28 02:17:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cf4vn.comroxy.ns.cloudflare.com, doug.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.159

NS records: roxy.ns.cloudflare.com, doug.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cf4vn.com (unsigned zone)

⏱️ Timing

Total: 260ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.2.18, 172.67.128.149
AAAA22606:4700:3032::6815:212, 2606:4700:3036::ac43:8095
NS2doug.ns.cloudflare.com, roxy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1doug.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (roxy.ns.cloudflare.com, roxy.ns.cloudflare.com, roxy.ns.cloudflare.com...)

Analysis

IP Addresses

cf4vn.com resolves to four IPs: 2606:4700:3032::6815:212, 2606:4700:3036::ac43:8095, 104.21.2.18 and 172.67.128.149.

Other host names such as virtation.com, calgarytoollibrary.org, acidadea4patas.pt, bdataitplus.ru and parsalbum.com share IP numbers with cf4vn.com.

Name Servers

cf4vn.com is delegated to two name servers: doug.ns.cloudflare.com and roxy.ns.cloudflare.com.

cf4vn.com uses the same name server setup as other domains, including visitsweden.com, iamacademy.nl, frank-holton.com, vinkit.nl and sthlmx.se.

At least part of the name servers for cf4vn.com are shared with other domains, for instance merumeru.co.kr, royalbet.biz, fonebook.in, pellikaan.org and 20.7.69.in-addr.arpa.

These name servers are commonly used alongside the name servers chan.ns.cloudflare.com.

Host names with six IP numbers:

doug.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9f, 2803:f800:50::6ca2:c19f, 2a06:98c1:50::ac40:219f, 108.162.193.159, 172.64.33.159 and 173.245.59.159.

roxy.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8e, 2803:f800:50::6ca2:c08e, 2a06:98c1:50::ac40:208e, 108.162.192.142, 172.64.32.142 and 173.245.58.142.