mail.knotding.com - robtex.com

mail.knotding.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3dc🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:999d🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.220Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.157🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.3.220, 172.67.153.157
IPv62606:4700:3032::6815:3dc, 2606:4700:3036::ac43:999d

knotding.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3dc🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:999d🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.220Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.157🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShank.ns.cloudflare.com ⭐
NSrosa.ns.cloudflare.com
MXmx1.feishu.cn ⭐
MXmx2.feishu.cn(5)
MXmx3.feishu.cn(10)
TXTv=spf1 +include:_netblocks.m.feishu.cn -all
TXTverification-code-site-App_feishu=uN6bLCStrYEyvUCSSdhQ
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.3.220, 172.67.153.157
IPv62606:4700:3032::6815:3dc, 2606:4700:3036::ac43:999d
SOAhank.ns.cloudflare.comdns@cloudflare.com serial=2399318998

Previously MX for

knotding.com

Same first word

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DNS History

5 records (4 active, 1 former)

201820192020202120222023202420252026A104.21.3.220172.67.153.1572606:4700:3032::6815:3dc2606:4700:3036::ac43:999d107.180.58.56
●A104.21.3.2202026-03-27 → 2026-03-27 · 2 obs
○ 2017-09-26 20:04:46
● 2026-03-27 02:15:02
○A107.180.58.562017-09-26 → 2017-09-26 · 2 obs
● 2017-09-26 20:04:46
○ 2026-03-27 02:15:02
●A172.67.153.1572026-03-27 → 2026-03-27 · 2 obs
○ 2017-09-26 20:04:46
● 2026-03-27 02:15:02
●A2606:4700:3032::6815:3dc2026-03-27 → 2026-03-27 · 2 obs
○ 2017-09-26 20:04:46
● 2026-03-27 02:15:02
●A2606:4700:3036::ac43:999d2026-03-27 → 2026-03-27 · 2 obs
○ 2017-09-26 20:04:46
● 2026-03-27 02:15:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
knotding.comhank.ns.cloudflare.com, rosa.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.116

NS records: hank.ns.cloudflare.com, rosa.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 77ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.153.157, 104.21.3.220
AAAA22606:4700:3036::ac43:999d, 2606:4700:3032::6815:3dc
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.knotding.com points to four IP numbers: 2606:4700:3032::6815:3dc, 2606:4700:3036::ac43:999d, 104.21.3.220 and 172.67.153.157.

Other host names, for instance icoh.jo, narayanaschools.in, rmgresearch.com, freeanimals(0x706f726e).com and pipeexpa.my share IP numbers with mail.knotding.com.