`kfsbuilders.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:96a5^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:5a08^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.8^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.165^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jo.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aac^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ac^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ac^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jo.ns.cloudflare.com`
		A	108.162.192.172^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
		A	172.64.32.172^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
		A	173.245.58.172^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
NS	`logan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`logan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`logan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`logan.ns.cloudflare.com`
		A	108.162.193.198^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`logan.ns.cloudflare.com`
		A	172.64.33.198^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`logan.ns.cloudflare.com`
		A	173.245.59.198^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`logan.ns.cloudflare.com`
MX	`mail.kfsbuilders.com` ⭐
		A	212.110.177.74^{🇬🇧 BYTEMARK-AS212.110.160.0/19 Bytemark Computer Consulting Ltd /19 PA}
			PTR	`bytemark7.spotonnet.co.uk`
TXT	`v=spf1 include:_spf.mail1.spotonnet.co.uk -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.90.8, 172.67.150.165
		IPv6	2606:4700:3032::ac43:96a5, 2606:4700:3036::6815:5a08
SOA	`jo.ns.cloudflare.com`dns@cloudflare.com serial=2397998890

`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=1771291435

Subdomains

mail.kfsbuilders.com

Same first word

kfsbuilders.com

DNS History

10 records (7 active, 3 former)

●NSjo.ns.cloudflare.com2026-02-18 → 2026-03-24 · 3 obs

○ 2017-04-06 20:55:04
● 2026-02-18 18:58:50
● 2026-03-24 10:18:12

●NSlogan.ns.cloudflare.com2026-02-18 → 2026-03-24 · 3 obs

○ 2017-04-06 20:55:04
● 2026-02-18 18:58:50
● 2026-03-24 10:18:12

○NSns0.spotonnet.co.uk2015-08-06 → 2017-04-06 · 4 obs

● 2015-08-06 18:43:12
● 2017-04-06 20:55:04
○ 2026-02-18 18:58:50
○ 2026-03-24 10:18:12

○NSns1.spotonnet.co.uk2015-08-06 → 2017-04-06 · 4 obs

● 2015-08-06 18:43:12
● 2017-04-06 20:55:04
○ 2026-02-18 18:58:50
○ 2026-03-24 10:18:12

●MXmail.kfsbuilders.com2015-08-06 → 2026-03-24 · 2 obs

● 2015-08-06 18:43:12
● 2026-03-24 10:18:12

●A104.21.90.82026-02-18 → 2026-03-24 · 3 obs

○ 2017-04-06 20:55:04
● 2026-02-18 18:58:50
● 2026-03-24 10:18:12

●A172.67.150.1652026-02-18 → 2026-03-24 · 3 obs

○ 2017-04-06 20:55:04
● 2026-02-18 18:58:50
● 2026-03-24 10:18:12

●A2606:4700:3032::ac43:96a52026-02-18 → 2026-03-24 · 3 obs

○ 2017-04-06 20:55:04
● 2026-02-18 18:58:50
● 2026-03-24 10:18:12

●A2606:4700:3036::6815:5a082026-02-18 → 2026-03-24 · 3 obs

○ 2017-04-06 20:55:04
● 2026-02-18 18:58:50
● 2026-03-24 10:18:12

○A46.43.34.252015-08-06 → 2017-04-06 · 4 obs

● 2015-08-06 18:43:12
● 2017-04-06 20:55:04
○ 2026-02-18 18:58:50
○ 2026-03-24 10:18:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net...	-
kfsbuilders.com	logan.ns.cloudflare.com, jo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.198

NS records: logan.ns.cloudflare.com, jo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kfsbuilders.com (unsigned zone)

⏱️ Timing

Total: 289ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.8, 172.67.150.165`
AAAA	2	`2606:4700:3032::ac43:96a5, 2606:4700:3036::6815:5a08`
NS	2	`jo.ns.cloudflare.com, logan.ns.cloudflare.com`
MX	1	`mail.kfsbuilders.com (pri: 10)`
TXT	1	`v=spf1 include:_spf.mail1.spotonnet.co.u`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jo.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of mail.kfsbuilders.com is kfsbuilders.com.

IP Addresses

kfsbuilders.com resolves to four IP numbers: 2606:4700:3032::ac43:96a5, 2606:4700:3036::6815:5a08, 104.21.90.8 and 172.67.150.165.

Other host names such as coralprotocol.org, into-sana.com, zxjgqg.com, www.asprexstudios.co.uk and pirtis.info share IPs with kfsbuilders.com.

Name Servers

kfsbuilders.com is delegated to two name servers: jo.ns.cloudflare.com and logan.ns.cloudflare.com.

kfsbuilders.com shares the same name server setup as williamperkinscharity.org, sb-mfg.com, itseasywebsites.com, boniti.com and aviattic.co.uk.

kfsbuilders.com at least partially shares name servers with other domains, for instance radio22.ru, zeetal.com, traubengelsik.info, frskj.com and cmfiusa.org.

These name servers are commonly used with adaline.ns.cloudflare.com and cheryl.ns.cloudflare.com.

Host names with six IP numbers:

jo.ns.cloudflare.com points to 2606:4700:50::adf5:3aac, 2803:f800:50::6ca2:c0ac, 2a06:98c1:50::ac40:20ac, 108.162.192.172, 172.64.32.172 and 173.245.58.172.

logan.ns.cloudflare.com points to 2606:4700:58::adf5:3bc6, 2803:f800:50::6ca2:c1c6, 2a06:98c1:50::ac40:21c6, 108.162.193.198, 172.64.33.198 and 173.245.59.198.

Mail Servers

kfsbuilders.com is handled by a single mail server, mail.kfsbuilders.com.

mail.kfsbuilders.com points to a single IP: 212.110.177.74.

kfsbuilders.com - robtex.com

kfsbuilders.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`kfsbuilders.com`

`com`