knotding.com - dns.ninja

`knotding.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:3dc^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:999d^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.220^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.157^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hank.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c174^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2174^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hank.ns.cloudflare.com`
		A	108.162.193.116^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	172.64.33.116^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	173.245.59.116^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
NS	`rosa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosa.ns.cloudflare.com`
		A	108.162.192.228^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosa.ns.cloudflare.com`
		A	172.64.32.228^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosa.ns.cloudflare.com`
		A	173.245.58.228^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosa.ns.cloudflare.com`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=uN6bLCStrYEyvUCSSdhQ`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.3.220, 172.67.153.157
		IPv6 hints	2606:4700:3032::6815:3dc, 2606:4700:3036::ac43:999d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=181, name=cloudflare-ech.com
SOA	`hank.ns.cloudflare.com`dns@cloudflare.com serial=2406398699

`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.net`nstld@verisign-grs.com serial=1781034658

Subdomains

mail.knotding.com

Same first word

knotding.com

DNS History

13 records (9 active, 4 former)

●NShank.ns.cloudflare.com2026-02-20 → 2026-06-09 · 3 obs

○ 2017-09-26 20:04:28
● 2026-02-20 09:59:20
● 2026-06-09 20:06:48

○NSns69.domaincontrol.com2016-12-14 → 2017-09-26 · 4 obs

● 2016-12-14 23:25:04
● 2017-09-26 20:04:28
○ 2026-02-20 09:59:20
○ 2026-06-09 20:06:48

○NSns70.domaincontrol.com2016-12-14 → 2017-09-26 · 4 obs

● 2016-12-14 23:25:04
● 2017-09-26 20:04:28
○ 2026-02-20 09:59:20
○ 2026-06-09 20:06:48

●NSrosa.ns.cloudflare.com2026-02-20 → 2026-06-09 · 3 obs

○ 2017-09-26 20:04:28
● 2026-02-20 09:59:20
● 2026-06-09 20:06:48

○MXmail.knotding.com2016-12-14 → 2017-09-26 · 4 obs

● 2016-12-14 23:25:04
● 2017-09-26 20:04:28
○ 2026-02-20 09:59:20
○ 2026-06-09 20:06:48

●MXmx1.feishu.cn2026-02-20 → 2026-06-09 · 3 obs

○ 2017-09-26 20:04:28
● 2026-02-20 09:59:20
● 2026-06-09 20:06:48

●MXmx2.feishu.cn2026-02-20 → 2026-06-09 · 3 obs

○ 2017-09-26 20:04:28
● 2026-02-20 09:59:20
● 2026-06-09 20:06:48

●MXmx3.feishu.cn2026-02-20 → 2026-06-09 · 3 obs

○ 2017-09-26 20:04:28
● 2026-02-20 09:59:20
● 2026-06-09 20:06:48

●A104.21.3.2202026-02-20 → 2026-06-09 · 3 obs

○ 2017-09-26 20:04:28
● 2026-02-20 09:59:20
● 2026-06-09 20:06:48

○A107.180.58.562016-12-14 → 2017-09-26 · 4 obs

● 2016-12-14 23:25:04
● 2017-09-26 20:04:28
○ 2026-02-20 09:59:20
○ 2026-06-09 20:06:48

●A172.67.153.1572026-02-20 → 2026-06-09 · 3 obs

○ 2017-09-26 20:04:28
● 2026-02-20 09:59:20
● 2026-06-09 20:06:48

●A2606:4700:3032::6815:3dc2026-02-20 → 2026-06-09 · 3 obs

○ 2017-09-26 20:04:28
● 2026-02-20 09:59:20
● 2026-06-09 20:06:48

●A2606:4700:3036::ac43:999d2026-02-20 → 2026-06-09 · 3 obs

○ 2017-09-26 20:04:28
● 2026-02-20 09:59:20
● 2026-06-09 20:06:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
knotding.com	hank.ns.cloudflare.com, rosa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.228

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: 759ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.3.220, 172.67.153.157`
AAAA	2	`2606:4700:3036::ac43:999d, 2606:4700:3032::6815:3dc`
NS	2	`hank.ns.cloudflare.com, rosa.ns.cloudflare.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=uN6bLC`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hank.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain mail.knotding.com falls under the parent knotding.com.

IP Addresses

knotding.com resolves to 4 IP numbers: 104.21.3.220, 172.67.153.157, 2606:4700:3032::6815:3dc and 2606:4700:3036::ac43:999d.

Additional host names — royreinardart.com, anhanger.net, mc819.com and two others — share IP numbers with knotding.com.

Name Servers

knotding.com is served by two delegated name servers, hank.ns.cloudflare.com and rosa.ns.cloudflare.com.

knotding.com shares its name server setup with other domains, including timeibox.com, econtractservices.com, artisans.com.tw and two others.

At least some of knotding.com's name servers are shared with other domains, for example trypncl.com, cumi4dja.fit, lnsldkj.com and two more.

These name servers are often deployed together with the name servers darl.ns.cloudflare.com, nicole.ns.cloudflare.com, dolly.ns.cloudflare.com and terin.ns.cloudflare.com.

Host names with 6 IP numbers:

hank.ns.cloudflare.com directs to 108.162.193.116, 172.64.33.116, 173.245.59.116 and three others.

rosa.ns.cloudflare.com directs to 108.162.192.228, 172.64.32.228, 173.245.58.228 and three others.

Mail Servers

The MX records for knotding.com list three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

knotding.com shares mail servers — at least in part — with other domains, including tabbywork.com, xchangecars.com, kindyear.cn and two others.

Host names with three IP numbers:

mx3.feishu.cn resolves to three addresses: 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names with two IP numbers:

mx2.feishu.cn maps to two IP addresses — 101.126.58.225 and 122.14.229.0.

Host names with one IP number:

mx1.feishu.cn points to the IP address 52.220.106.220.

These two host names — mx3.feishu.cn and mx1.feishu.cn — each point to 52.220.106.220 IP addresses.

These two host names — mx3.feishu.cn and mx2.feishu.cn — each point to 101.126.58.225 IP addresses.

These two host names — mx3.feishu.cn and mx2.feishu.cn — each point to 122.14.229.0 IP addresses.