jtbfs.com - robtex.com

jtbfs.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:a851🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:5e8a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.94.138Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.168.81🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkarsyn.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26c2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarsyn.ns.cloudflare.com
A2803:f800:50::6ca2:c2c2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkarsyn.ns.cloudflare.com
A2a06:98c1:50::ac40:22c2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkarsyn.ns.cloudflare.com
A108.162.194.194🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarsyn.ns.cloudflare.com
A162.159.38.194Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarsyn.ns.cloudflare.com
A172.64.34.194🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarsyn.ns.cloudflare.com
NSterry.ns.cloudflare.com
A2606:4700:58::adf5:3bed🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterry.ns.cloudflare.com
A2803:f800:50::6ca2:c1ed🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRterry.ns.cloudflare.com
A2a06:98c1:50::ac40:21ed🇺🇸 Cloudflare2a06:98c1:50::/45
PTRterry.ns.cloudflare.com
A108.162.193.237🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterry.ns.cloudflare.com
A172.64.33.237🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterry.ns.cloudflare.com
A173.245.59.237🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterry.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.94.138, 172.67.168.81
IPv62606:4700:3030::ac43:a851, 2606:4700:3033::6815:5e8a
SOAkarsyn.ns.cloudflare.comdns@cloudflare.com serial=2399635035

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=1771291435

Same first word

jtbfs.com

Similar names

btjfs.com
fjtsb.org
sjbft.com
jstbf.cn
tbfsj.com
jsftb.co.jp
jsbft.com
fbstj.com
tjbsf.org

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSkarsyn.ns.cloudflare.comterry.ns.cloudflare.coma.share-dns.comb.share-dns.netf1g1ns1.dnspod.netf1g1ns2.dnspod.netA104.21.94.138172.67.168.812606:4700:3030::ac43:a8512606:4700:3033::6815:5e8a118.99.47.81
○NSa.share-dns.com2026-03-22 → 2026-03-24 · 2 obs
○ 2026-03-22 09:45:40
○ 2026-03-24 03:11:36
○NSb.share-dns.net2026-03-22 → 2026-03-24 · 2 obs
○ 2026-03-22 09:45:40
○ 2026-03-24 03:11:36
○NSf1g1ns1.dnspod.net2015-06-14 → 2015-10-29 · 4 obs
● 2015-06-14 05:19:42
● 2015-10-29 16:01:18
○ 2016-02-04 20:41:06
○ 2026-03-24 03:11:36
○NSf1g1ns2.dnspod.net2015-06-14 → 2015-10-29 · 4 obs
● 2015-06-14 05:19:42
● 2015-10-29 16:01:18
○ 2016-02-04 20:41:06
○ 2026-03-24 03:11:36
●NSkarsyn.ns.cloudflare.com2026-03-22 → 2026-03-24 · 3 obs
○ 2016-02-04 20:41:06
● 2026-03-22 09:45:40
● 2026-03-24 03:11:36
●NSterry.ns.cloudflare.com2026-03-22 → 2026-03-24 · 3 obs
○ 2016-02-04 20:41:06
● 2026-03-22 09:45:40
● 2026-03-24 03:11:36
●A104.21.94.1382026-03-22 → 2026-03-24 · 3 obs
○ 2016-02-04 20:41:06
● 2026-03-22 09:45:40
● 2026-03-24 03:11:36
○A118.99.47.812015-06-14 → 2015-10-29 · 4 obs
● 2015-06-14 05:19:42
● 2015-10-29 16:01:18
○ 2016-02-04 20:41:06
○ 2026-03-24 03:11:36
●A172.67.168.812026-03-22 → 2026-03-24 · 3 obs
○ 2016-02-04 20:41:06
● 2026-03-22 09:45:40
● 2026-03-24 03:11:36
●A2606:4700:3030::ac43:a8512026-03-22 → 2026-03-24 · 3 obs
○ 2016-02-04 20:41:06
● 2026-03-22 09:45:40
● 2026-03-24 03:11:36
●A2606:4700:3033::6815:5e8a2026-03-22 → 2026-03-24 · 3 obs
○ 2016-02-04 20:41:06
● 2026-03-22 09:45:40
● 2026-03-24 03:11:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...-
jtbfs.comterry.ns.cloudflare.com, karsyn.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.237

NS records: terry.ns.cloudflare.com, karsyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jtbfs.com (unsigned zone)

⏱️ Timing

Total: 139ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.94.138, 172.67.168.81
AAAA22606:4700:3030::ac43:a851, 2606:4700:3033::6815:5e8a
NS2karsyn.ns.cloudflare.com, terry.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1karsyn.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by jtbfs.com: 2606:4700:3030::ac43:a851, 2606:4700:3033::6815:5e8a, 104.21.94.138 and 172.67.168.81.

other host names including xling.cn, www.privatewriting.com, firstavenue.it, thexpi.com and hypeflix.bond share IP numbers with jtbfs.com.

Name Servers

jtbfs.com is delegated to two name servers karsyn.ns.cloudflare.com and terry.ns.cloudflare.com.

jtbfs.com shares the same name server setup as other domains, for instance sxrysm.com, aiyechang.com, kfd-led.com, hzsushi.com and hfzbz.com.

jtbfs.com at least partially shares name servers with other domains, for instance w5p.top, soul-t.net, jala-foundation.com, supermpo.io and rap-digital.com.

These name servers are commonly used alongside kianchau.ns.cloudflare.com and braden.ns.cloudflare.com.

Host names with six IP numbers:

Host name karsyn.ns.cloudflare.com points to: 2606:4700:50::a29f:26c2, 2803:f800:50::6ca2:c2c2, 2a06:98c1:50::ac40:22c2, 108.162.194.194, 162.159.38.194 and 172.64.34.194.

Host name terry.ns.cloudflare.com points to: 2606:4700:58::adf5:3bed, 2803:f800:50::6ca2:c1ed, 2a06:98c1:50::ac40:21ed, 108.162.193.237, 172.64.33.237 and 173.245.59.237.