f739.com - robtex.com

f739.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:c58f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:345b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.91Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.143🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSconrad.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c92🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRconrad.ns.cloudflare.com
A2803:f800:50::6ca2:c392🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRconrad.ns.cloudflare.com
A2a06:98c1:50::ac40:2392🇺🇸 Cloudflare2a06:98c1:50::/45
PTRconrad.ns.cloudflare.com
A108.162.195.146🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRconrad.ns.cloudflare.com
A162.159.44.146Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRconrad.ns.cloudflare.com
A172.64.35.146🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRconrad.ns.cloudflare.com
NSnorah.ns.cloudflare.com
A2606:4700:50::a29f:2646🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorah.ns.cloudflare.com
A2803:f800:50::6ca2:c246🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnorah.ns.cloudflare.com
A2a06:98c1:50::ac40:2246🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnorah.ns.cloudflare.com
A108.162.194.70🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorah.ns.cloudflare.com
A162.159.38.70Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorah.ns.cloudflare.com
A172.64.34.70🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorah.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.91, 172.67.197.143
IPv6 hints2606:4700:3032::ac43:c58f, 2606:4700:3036::6815:345b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com
SOAconrad.ns.cloudflare.comdns@cloudflare.com serial=2400897301

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=1776023592

Same first word

f739.cn
f739.com

Similar names

3f97.com
793f.cc
f973.com
973f.com
937f.com
97f3.com
f937.cn

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSconrad.ns.cloudflare.comnorah.ns.cloudflare.comns1.51dns.comns1.maff.comns2.51dns.comns2.maff.comMXmail.skrimple.comA104.21.52.91172.67.197.1432606:4700:3032::ac43:c58f2606:4700:3036::6815:345b103.232.215.136104.149.91.2175.168.128.235
●NSconrad.ns.cloudflare.com2026-04-08 → 2026-04-12 · 3 obs
○ 2018-08-19 13:48:40
● 2026-04-08 14:17:20
● 2026-04-12 20:06:30
●NSnorah.ns.cloudflare.com2026-04-08 → 2026-04-12 · 3 obs
○ 2018-08-19 13:48:40
● 2026-04-08 14:17:20
● 2026-04-12 20:06:30
○NSns1.51dns.com2015-06-19 → 2016-01-23 · 4 obs
● 2015-06-19 01:16:42
● 2016-01-23 15:05:08
○ 2018-08-19 13:48:40
○ 2026-04-12 20:06:30
○NSns1.maff.com2018-08-19 → 2018-08-19 · 4 obs
○ 2016-01-23 15:05:08
● 2018-08-19 13:48:40
○ 2026-04-08 14:17:20
○ 2026-04-12 20:06:30
○NSns2.51dns.com2015-06-19 → 2015-06-19 · 3 obs
● 2015-06-19 01:16:42
○ 2018-08-19 13:48:40
○ 2026-04-12 20:06:30
○NSns2.maff.com2018-08-19 → 2018-08-19 · 4 obs
○ 2016-01-23 15:05:08
● 2018-08-19 13:48:40
○ 2026-04-08 14:17:20
○ 2026-04-12 20:06:30
○MXmail.skrimple.com2016-04-26 → 2017-01-08 · 4 obs
● 2016-04-26 05:27:30
● 2017-01-08 01:28:34
○ 2018-08-19 13:48:40
○ 2026-04-12 20:06:30
○A103.232.215.1362016-04-26 → 2017-01-08 · 5 obs
○ 2015-11-05 19:11:32
● 2016-04-26 05:27:30
● 2017-01-08 01:28:34
○ 2018-08-19 13:48:40
○ 2026-04-12 20:06:30
○A104.149.91.22015-06-19 → 2015-11-05 · 4 obs
● 2015-06-19 01:16:42
● 2015-11-05 19:11:32
○ 2016-04-26 05:27:30
○ 2026-04-12 20:06:30
●A104.21.52.912026-04-08 → 2026-04-12 · 3 obs
○ 2018-08-19 13:48:40
● 2026-04-08 14:17:20
● 2026-04-12 20:06:30
●A172.67.197.1432026-04-08 → 2026-04-12 · 3 obs
○ 2018-08-19 13:48:40
● 2026-04-08 14:17:20
● 2026-04-12 20:06:30
○A175.168.128.2352018-08-19 → 2018-08-19 · 4 obs
○ 2017-01-08 01:28:34
● 2018-08-19 13:48:40
○ 2026-04-08 14:17:20
○ 2026-04-12 20:06:30
●A2606:4700:3032::ac43:c58f2026-04-08 → 2026-04-12 · 3 obs
○ 2018-08-19 13:48:40
● 2026-04-08 14:17:20
● 2026-04-12 20:06:30
●A2606:4700:3036::6815:345b2026-04-08 → 2026-04-12 · 3 obs
○ 2018-08-19 13:48:40
● 2026-04-08 14:17:20
● 2026-04-12 20:06:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net...-
f739.comnorah.ns.cloudflare.com, conrad.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.146

NS records: norah.ns.cloudflare.com, conrad.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f739.com (unsigned zone)

⏱️ Timing

Total: 250ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.52.91, 172.67.197.143
AAAA22606:4700:3036::6815:345b, 2606:4700:3032::ac43:c58f
NS2conrad.ns.cloudflare.com, norah.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1conrad.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

f739.com points to four IP numbers: 2606:4700:3032::ac43:c58f, 2606:4700:3036::6815:345b, 104.21.52.91 and 172.67.197.143.

Other host names, for instance stellenboschkunswedstryd.co.za, lasagsopra.pro, logdiary.com, www.lapizgrafico.com and clinlife.be share IP numbers with f739.com.

Name Servers

Delegation for f739.com rests with two name servers, conrad.ns.cloudflare.com and norah.ns.cloudflare.com.

f739.com shares the same name server setup as other domains, including ciuciu.net, 3503.top, ryfanmechanical.construction, 203v.com and 403p.com.

f739.com at least partially shares name servers with other domains, for instance xpress-venezuela.pages.dev, mileniumperu.com, casem.com.ar, mooncatrescue.com and hb-chat.work.

These name servers are commonly used with austin.ns.cloudflare.com and becky.ns.cloudflare.com.

Host names with six IP numbers: conrad.ns.cloudflare.com points to: 2606:4700:58::a29f:2c92, 2803:f800:50::6ca2:c392, 2a06:98c1:50::ac40:2392, 108.162.195.146, 162.159.44.146 and 172.64.35.146. norah.ns.cloudflare.com points to: 2606:4700:50::a29f:2646, 2803:f800:50::6ca2:c246, 2a06:98c1:50::ac40:2246, 108.162.194.70, 162.159.38.70 and 172.64.34.70.