cotfw.cf - robtex.com

cotfw.cf

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:4b89🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b176🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.75.137Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.177.118🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbjorn.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c62🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbjorn.ns.cloudflare.com
A2803:f800:50::6ca2:c362🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbjorn.ns.cloudflare.com
A2a06:98c1:50::ac40:2362🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbjorn.ns.cloudflare.com
A108.162.195.98🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbjorn.ns.cloudflare.com
A162.159.44.98Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbjorn.ns.cloudflare.com
A172.64.35.98🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbjorn.ns.cloudflare.com
NScruz.ns.cloudflare.com
A2606:4700:50::adf5:3a58🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcruz.ns.cloudflare.com
A2803:f800:50::6ca2:c058🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcruz.ns.cloudflare.com
A2a06:98c1:50::ac40:2058🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcruz.ns.cloudflare.com
A108.162.192.88🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcruz.ns.cloudflare.com
A172.64.32.88🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcruz.ns.cloudflare.com
A173.245.58.88🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcruz.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.75.137, 172.67.177.118
IPv6 hints2606:4700:3036::6815:4b89, 2606:4700:3037::ac43:b176
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=171, name=cloudflare-ech.com
SOAbjorn.ns.cloudflare.comdns@cloudflare.com serial=2409017656

cf

DNSSEC⚠️ Not signed
NSa.ns.cf ⭐
NSb.ns.cf
NSc.ns.cf
NSd.ns.cf
MXmail.intnet.cf ⭐
SOAa.ns.cfkohilaire@socatel.cf serial=1784315228

Same first word

cotfw.cf

Similar names

ftwoc.biz
ocftw.com
otcwf.com
wftco.com
fctwo.com
fwotc.com
coftw.com
twfco.com
wotfc.org
wtfco.com
fwtco.com
tfowc.com
ftwco.com
wotfc.ae
cfwto.com
wtfoc.cat
wotfc.com
twfoc.com

DNS History

14 records (6 active, 8 former)

NSbjorn.ns.cloudflare.comcruz.ns.cloudflare.comA104.21.75.137172.67.177.1182606:4700:3036::6815:4b892606:4700:3037::ac43:b176188.114.96.0188.114.96.4188.114.97.0188.114.97.42a06:98c1:3120::2a06:98c1:3120::42a06:98c1:3121::2a06:98c1:3121::4
●NSbjorn.ns.cloudflare.com2026-07-07 → 2026-07-19 · 2 obs
● 2026-07-07 09:21:44
● 2026-07-19 01:45:00
●NScruz.ns.cloudflare.com2026-07-07 → 2026-07-19 · 2 obs
● 2026-07-07 09:21:44
● 2026-07-19 01:45:00
●A104.21.75.1372026-07-10 → 2026-07-19 · 4 obs
○ 2026-07-07 09:21:44
● 2026-07-10 22:21:44
○ 2026-07-15 07:22:08
● 2026-07-19 01:45:00
●A172.67.177.1182026-07-10 → 2026-07-19 · 4 obs
○ 2026-07-07 09:21:44
● 2026-07-10 22:21:44
○ 2026-07-15 07:22:08
● 2026-07-19 01:45:00
○A188.114.96.02026-07-07 → 2026-07-15 · 4 obs
● 2026-07-07 09:21:44
○ 2026-07-10 22:21:44
● 2026-07-15 08:02:46
○ 2026-07-19 01:45:00
○A188.114.96.42026-07-15 → 2026-07-15 · 4 obs
○ 2026-07-10 22:21:44
● 2026-07-15 07:22:08
○ 2026-07-15 08:02:46
○ 2026-07-19 01:45:00
○A188.114.97.02026-07-07 → 2026-07-15 · 4 obs
● 2026-07-07 09:21:44
○ 2026-07-10 22:21:44
● 2026-07-15 08:02:46
○ 2026-07-19 01:45:00
○A188.114.97.42026-07-15 → 2026-07-15 · 4 obs
○ 2026-07-10 22:21:44
● 2026-07-15 07:22:08
○ 2026-07-15 08:02:46
○ 2026-07-19 01:45:00
●A2606:4700:3036::6815:4b892026-07-10 → 2026-07-19 · 4 obs
○ 2026-07-07 09:21:44
● 2026-07-10 22:21:44
○ 2026-07-15 07:22:08
● 2026-07-19 01:45:00
●A2606:4700:3037::ac43:b1762026-07-10 → 2026-07-19 · 4 obs
○ 2026-07-07 09:21:44
● 2026-07-10 22:21:44
○ 2026-07-15 07:22:08
● 2026-07-19 01:45:00
○A2a06:98c1:3120::2026-07-07 → 2026-07-15 · 4 obs
● 2026-07-07 09:21:44
○ 2026-07-10 22:21:44
● 2026-07-15 08:02:46
○ 2026-07-19 01:45:00
○A2a06:98c1:3120::42026-07-15 → 2026-07-15 · 4 obs
○ 2026-07-10 22:21:44
● 2026-07-15 07:22:08
○ 2026-07-15 08:02:46
○ 2026-07-19 01:45:00
○A2a06:98c1:3121::2026-07-07 → 2026-07-15 · 4 obs
● 2026-07-07 09:21:44
○ 2026-07-10 22:21:44
● 2026-07-15 08:02:46
○ 2026-07-19 01:45:00
○A2a06:98c1:3121::42026-07-15 → 2026-07-15 · 4 obs
○ 2026-07-10 22:21:44
● 2026-07-15 07:22:08
○ 2026-07-15 08:02:46
○ 2026-07-19 01:45:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cfa.ns.cf, b.ns.cf, c.ns.cf, d.ns.cf8 records
cotfw.cfcruz.ns.cloudflare.com, bjorn.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.88

NS records: cruz.ns.cloudflare.com, bjorn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cf (unsigned zone)

⏱️ Timing

Total: 501ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.177.118, 104.21.75.137
AAAA22606:4700:3037::ac43:b176, 2606:4700:3036::6815:4b89
NS2bjorn.ns.cloudflare.com, cruz.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bjorn.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.ns.cf, b.ns.cf, c.ns.cf...)

Analysis

IP Addresses

cotfw.cf points to the four IP addresses 104.21.75.137, 172.67.177.118, 2606:4700:3036::6815:4b89 and 2606:4700:3037::ac43:b176.

Two other host names, along with primeburger.de, teiejlleof.club and bridgeman.org.au, also share IP numbers with cotfw.cf.

Name Servers

DNS delegation for cotfw.cf points to two name servers: bjorn.ns.cloudflare.com and cruz.ns.cloudflare.com.

cotfw.cf shares its NS records with other domains, for example digitx.life, bosopica.lt, basinkingsbjj.com and two others.

The name servers of cotfw.cf overlap at least partially with those of other domains — among them wellyhub.com, 06centralhostel.com, 93sense.com and two more.

These name servers commonly appear alongside the name servers gerald.ns.cloudflare.com and meera.ns.cloudflare.com.

DNS names with 6 IP addresses:

bjorn.ns.cloudflare.com has IP addresses 108.162.195.98, 162.159.44.98 and 172.64.35.98, plus 3 other.

cruz.ns.cloudflare.com has IP addresses 108.162.192.88, 172.64.32.88 and 173.245.58.88, plus 3 other.