`mk-builder.net`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3035::6815:170a^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d044^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.10^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.208.68^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bob.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c168^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2168^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bob.ns.cloudflare.com`
		A	108.162.193.104^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	172.64.33.104^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	173.245.59.104^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
NS	`carlane.ns.cloudflare.com`
		A	2606:4700:50::a29f:2619^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c219^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carlane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2219^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carlane.ns.cloudflare.com`
		A	108.162.194.25^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
		A	162.159.38.25^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
		A	172.64.34.25^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁶²⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁹¹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=fMN7FKJahsURwnreKszGMPbK5ZXImCVpgN2WqgcoXxU`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.23.10, 172.67.208.68
		IPv6	2606:4700:3035::6815:170a, 2606:4700:3037::ac43:d044
SOA	`bob.ns.cloudflare.com`dns@cloudflare.com serial=2398408812

`net`

	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=1771291465

🔒 HSTS Preload (+subdomains)

Same first word

mk-builder.net

DNS History

9 records (9 active, 0 former)

●NSbob.ns.cloudflare.com2026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 13:12:46
● 2026-03-23 21:39:00

●NScarlane.ns.cloudflare.com2026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 13:12:46
● 2026-03-23 21:39:00

●MXroute1.mx.cloudflare.net2026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 13:12:46
● 2026-03-23 21:39:00

●MXroute2.mx.cloudflare.net2026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 13:12:46
● 2026-03-23 21:39:00

●MXroute3.mx.cloudflare.net2026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 13:12:46
● 2026-03-23 21:39:00

●A104.21.23.102026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 13:12:46
● 2026-03-23 21:39:00

●A172.67.208.682026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 13:12:46
● 2026-03-23 21:39:00

●A2606:4700:3035::6815:170a2026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 13:12:46
● 2026-03-23 21:39:00

●A2606:4700:3037::ac43:d0442026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 13:12:46
● 2026-03-23 21:39:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	i.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
mk-builder.net	bob.ns.cloudflare.com, carlane.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.25

NS records: bob.ns.cloudflare.com, carlane.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2094ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.23.10, 172.67.208.68`
AAAA	2	`2606:4700:3035::6815:170a, 2606:4700:3037::ac43:d044`
NS	2	`bob.ns.cloudflare.com, carlane.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 1), route3.mx.cloudflare.net (pri: 62)...`
TXT	2	`google-site-verification=fMN7FKJahsURwnr, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bob.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

Four IP numbers are pointed to by mk-builder.net: 2606:4700:3035::6815:170a, 2606:4700:3037::ac43:d044, 104.21.23.10 and 172.67.208.68.

other host names including www.extremecash888.site, windowsphonebrasil.com.br, www.bestwear.com.ua, www.kayaksailor.com and melbet-casino.fr share IP numbers with mk-builder.net.

Name Servers

mk-builder.net is delegated to two name servers bob.ns.cloudflare.com and carlane.ns.cloudflare.com.

mk-builder.net shares the same name server setup as other domains, for instance napax.cn, microenergycredits.com, clxnx.cn, polskie-torrenty.eu and dreamtvgold.com.

mk-builder.net at least partially shares name servers with other domains, for instance lenderresponse.com, estherhanes.com, malibudelivery.com.br, slotstechmag.co.uk and creen.dk.

Host names with six IP numbers:

Host name bob.ns.cloudflare.com points to: 2606:4700:58::adf5:3b68, 2803:f800:50::6ca2:c168, 2a06:98c1:50::ac40:2168, 108.162.193.104, 172.64.33.104 and 173.245.59.104.

Host name carlane.ns.cloudflare.com points to: 2606:4700:50::a29f:2619, 2803:f800:50::6ca2:c219, 2a06:98c1:50::ac40:2219, 108.162.194.25, 162.159.38.25 and 172.64.34.25.

Mail Servers

mk-builder.net is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

mk-builder.net shares some mail servers with other domains, at least partially, for instance aabacusgroup.com, gorkainsausti.com, domaintakeaway.com, vmddp.com and escortsnearby.co.uk.

Host names with six IP numbers:

Host name route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

Host name route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

Host name route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

mk-builder.net - robtex.com

mk-builder.net

net

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`mk-builder.net`

`net`