knowff.com - robtex.com
knowff.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:4bf7🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:b80e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.75.247Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.184.14🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | anirban.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b40🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c140🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2140🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 108.162.193.64🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 172.64.33.64🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 173.245.59.64🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| NS | dee.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a5d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dee.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c05d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dee.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:205d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dee.ns.cloudflare.com | ||||||
| A | 108.162.192.93🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dee.ns.cloudflare.com | ||||||
| A | 172.64.32.93🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dee.ns.cloudflare.com | ||||||
| A | 173.245.58.93🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dee.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.75.247, 172.67.184.14 | ||||||
| IPv6 | 2606:4700:3032::6815:4bf7, 2606:4700:3035::ac43:b80e | ||||||
| SOA | anirban.ns.cloudflare.comdns@cloudflare.com serial=2398639358 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
rank #21545 in the tld
📈 Tranco rank: #198,208
Same first word
knowff.com |
DNS History
10 records (6 active, 4 former)
●NSanirban.ns.cloudflare.com2026-02-27 → 2026-03-23 · 2 obs
● 2026-03-23 12:21:10
●NSdee.ns.cloudflare.com2026-02-27 → 2026-03-23 · 2 obs
● 2026-03-23 12:21:10
●A104.21.75.2472026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 12:21:10
●A172.67.184.142026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 12:21:10
○A188.114.96.02026-02-27 → 2026-02-27 · 2 obs
○ 2026-03-23 12:21:10
○A188.114.97.02026-02-27 → 2026-02-27 · 2 obs
○ 2026-03-23 12:21:10
●A2606:4700:3032::6815:4bf72026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 12:21:10
●A2606:4700:3035::ac43:b80e2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 12:21:10
○A2a06:98c1:3120::2026-02-27 → 2026-02-27 · 2 obs
○ 2026-03-23 12:21:10
○A2a06:98c1:3121::2026-02-27 → 2026-02-27 · 2 obs
○ 2026-03-23 12:21:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net... | - |
| knowff.com | dee.ns.cloudflare.com, anirban.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.93
NS records: dee.ns.cloudflare.com, anirban.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowff.com (unsigned zone)
⏱️ Timing
Total: 117ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.75.247, 172.67.184.14 |
| AAAA | 2 | 2606:4700:3035::ac43:b80e, 2606:4700:3032::6815:4bf7 |
| NS | 2 | anirban.ns.cloudflare.com, dee.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | anirban.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (dee.ns.cloudflare.com, dee.ns.cloudflare.com, dee.ns.cloudflare.com...)
Analysis
IP Addresses
knowff.com resolves to four IP numbers: 2606:4700:3032::6815:4bf7, 2606:4700:3035::ac43:b80e, 104.21.75.247 and 172.67.184.14.
Other host names such as ninos-pizza.com, oneofakindcm.com, mexicanretablos.com, boloarte.pt and lasvegasescortjordan.com share IPs with knowff.com.
Name Servers
knowff.com is delegated to two name servers: anirban.ns.cloudflare.com and dee.ns.cloudflare.com.
knowff.com shares the same name server setup as loveequotes.com, applebeemenu.net, babynameseasy.com, instaclickup.com and rsaianetsolutions.com.my.
knowff.com at least partially shares name servers with other domains, for instance timrubber.com, salvagedata.com, as6700.nl, plumberthomasvillega.com and oneretreat.co.uk.
These name servers are commonly used with norah.ns.cloudflare.com and clyde.ns.cloudflare.com.
Host names with six IP numbers:
anirban.ns.cloudflare.com points to 2606:4700:58::adf5:3b40, 2803:f800:50::6ca2:c140, 2a06:98c1:50::ac40:2140, 108.162.193.64, 172.64.33.64 and 173.245.59.64.
dee.ns.cloudflare.com points to 2606:4700:50::adf5:3a5d, 2803:f800:50::6ca2:c05d, 2a06:98c1:50::ac40:205d, 108.162.192.93, 172.64.32.93 and 173.245.58.93.