knowfa.com - robtex.com

knowfa.com

DNSSEC⚠️ Not signed
NSali.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:50::adf5:3a3b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A2803:f800:50::6ca2:c03b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRali.ns.cloudflare.com
A2a06:98c1:50::ac40:203b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRali.ns.cloudflare.com
A108.162.192.59🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A172.64.32.59🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A173.245.58.59🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
NSbowen.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:58::a29f:2c53🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbowen.ns.cloudflare.com
A2803:f800:50::6ca2:c353🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbowen.ns.cloudflare.com
A2a06:98c1:50::ac40:2353🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbowen.ns.cloudflare.com
A108.162.195.83🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbowen.ns.cloudflare.com
A162.159.44.83Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbowen.ns.cloudflare.com
A172.64.35.83🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbowen.ns.cloudflare.com

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=1784168352
⚠️ On DNS blocklist: tif

Same first word

knowfa.com

DNS History

11 records (2 active, 9 former)

20162017201820192020202120222023202420252026NSali.ns.cloudflare.combowen.ns.cloudflare.comdns31.hichina.comdns32.hichina.comexpirens3.hichina.comexpirens4.hichina.comMXmxn.mxhichina.commxw.mxhichina.comA139.196.9.250218.244.147.8347.89.58.141
●NSali.ns.cloudflare.com2026-05-27 → 2026-07-16 · 3 obs
○ 2017-04-19 10:31:28
● 2026-05-27 09:41:04
● 2026-07-16 02:36:08
●NSbowen.ns.cloudflare.com2026-05-27 → 2026-07-16 · 3 obs
○ 2017-04-19 10:31:28
● 2026-05-27 09:41:04
● 2026-07-16 02:36:08
○NSdns31.hichina.com2015-08-06 → 2016-08-09 · 4 obs
● 2015-08-06 02:39:52
● 2016-08-09 07:21:38
○ 2017-04-19 10:31:28
○ 2026-07-16 02:36:08
○NSdns32.hichina.com2015-08-06 → 2016-08-09 · 4 obs
● 2015-08-06 02:39:52
● 2016-08-09 07:21:38
○ 2017-04-19 10:31:28
○ 2026-07-16 02:36:08
○NSexpirens3.hichina.com2017-04-19 → 2017-04-19 · 4 obs
○ 2016-08-09 07:21:38
● 2017-04-19 10:31:28
○ 2026-05-27 09:41:04
○ 2026-07-16 02:36:08
○NSexpirens4.hichina.com2017-04-19 → 2017-04-19 · 4 obs
○ 2016-08-09 07:21:38
● 2017-04-19 10:31:28
○ 2026-05-27 09:41:04
○ 2026-07-16 02:36:08
○MXmxn.mxhichina.com2015-08-06 → 2016-08-09 · 4 obs
● 2015-08-06 02:39:52
● 2016-08-09 07:21:38
○ 2017-04-19 10:31:28
○ 2026-07-16 02:36:08
○MXmxw.mxhichina.com2015-08-06 → 2016-08-09 · 4 obs
● 2015-08-06 02:39:52
● 2016-08-09 07:21:38
○ 2017-04-19 10:31:28
○ 2026-07-16 02:36:08
○A139.196.9.2502016-03-09 → 2016-08-09 · 5 obs
○ 2015-12-04 01:24:00
● 2016-03-09 20:48:00
● 2016-08-09 07:21:38
○ 2017-04-19 10:31:28
○ 2026-07-16 02:36:08
○A218.244.147.832015-08-06 → 2015-12-04 · 4 obs
● 2015-08-06 02:39:52
● 2015-12-04 01:24:00
○ 2016-03-09 20:48:00
○ 2026-07-16 02:36:08
○A47.89.58.1412017-04-19 → 2017-04-19 · 4 obs
○ 2016-08-09 07:21:38
● 2017-04-19 10:31:28
○ 2026-05-27 09:41:04
○ 2026-07-16 02:36:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...-
knowfa.comali.ns.cloudflare.com, bowen.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.59

NS records: ali.ns.cloudflare.com, bowen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowfa.com (unsigned zone)

⏱️ Timing

Total: 134ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

knowfa.com has two authoritative name servers — ali.ns.cloudflare.com and bowen.ns.cloudflare.com.

knowfa.com uses the same name servers as several other domains — among them learnban.com, factban.com, topicib.com and two more.

There is at least partial name server overlap between knowfa.com and other domains — tarragonhillsapartments.com, dcmoms.com, danielingegneri.com and two more among them.

These name servers tend to appear in combination with the name servers gloria.ns.cloudflare.com, earl.ns.cloudflare.com, matteo.ns.cloudflare.com and jobs.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

ali.ns.cloudflare.com points to 108.162.192.59, 172.64.32.59, 173.245.58.59 and 3 other IP addresses.

bowen.ns.cloudflare.com points to 108.162.195.83, 162.159.44.83, 172.64.35.83 and 3 other IP addresses.