blockbuilders.host - dns.ninja

`blockbuilders.host`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2e8b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:8b33^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.139^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.51^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aron.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a45^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aron.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c045^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aron.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2045^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aron.ns.cloudflare.com`
		A	108.162.192.69^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aron.ns.cloudflare.com`
		A	172.64.32.69^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aron.ns.cloudflare.com`
		A	173.245.58.69^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aron.ns.cloudflare.com`
NS	`mitch.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mitch.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mitch.ns.cloudflare.com`
		A	108.162.193.208^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
		A	172.64.33.208^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
		A	173.245.59.208^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.139, 172.67.139.51
		IPv6 hints	2606:4700:3031::6815:2e8b, 2606:4700:3034::ac43:8b33
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=225, name=cloudflare-ech.com
SOA	`aron.ns.cloudflare.com`dns@cloudflare.com serial=2411971891

`host`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1786571614

Same first word

blockbuilders.host

Similar names

blocksbuilder.ai

DNS History

8 records (6 active, 2 former)

●NSaron.ns.cloudflare.com2026-03-27 → 2026-08-12 · 2 obs

● 2026-03-27 04:27:50
● 2026-08-12 22:32:32

●NSmitch.ns.cloudflare.com2026-03-27 → 2026-08-12 · 2 obs

● 2026-03-27 04:27:50
● 2026-08-12 22:32:32

●A104.21.46.1392026-03-27 → 2026-08-12 · 2 obs

● 2026-03-27 04:27:50
● 2026-08-12 22:32:32

●A172.67.139.512026-03-27 → 2026-08-12 · 2 obs

● 2026-03-27 04:27:50
● 2026-08-12 22:32:32

●A2606:4700:3031::6815:2e8b2026-06-19 → 2026-08-12 · 3 obs

○ 2026-06-16 19:55:20
● 2026-06-19 16:32:42
● 2026-08-12 22:32:32

●A2606:4700:3034::ac43:8b332026-06-19 → 2026-08-12 · 3 obs

○ 2026-06-16 19:55:20
● 2026-06-19 16:32:42
● 2026-08-12 22:32:32

○A2606:4700:3035::6815:2e8b2026-03-27 → 2026-06-16 · 4 obs

● 2026-03-27 04:27:50
● 2026-06-16 19:55:20
○ 2026-06-19 16:32:42
○ 2026-08-12 22:32:32

○A2606:4700:3036::ac43:8b332026-03-27 → 2026-06-16 · 4 obs

● 2026-03-27 04:27:50
● 2026-06-16 19:55:20
○ 2026-06-19 16:32:42
○ 2026-08-12 22:32:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
host	ns10.trs-dns.info, ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.org	8 records
blockbuilders.host	aron.ns.cloudflare.com, mitch.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.208

NS records: aron.ns.cloudflare.com, mitch.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blockbuilders.host (unsigned zone)

⏱️ Timing

Total: 524ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.46.139, 172.67.139.51`
AAAA	2	`2606:4700:3034::ac43:8b33, 2606:4700:3031::6815:2e8b`
NS	2	`aron.ns.cloudflare.com, mitch.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aron.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net...)

Analysis

IP Addresses

blockbuilders.host points to the four IP addresses 104.21.46.139, 172.67.139.51, 2606:4700:3031::6815:2e8b and 2606:4700:3034::ac43:8b33.

Additional host names — mexmedimax.com, teddy-van-jerry.org, boxnation.tv and two others — share IP numbers with blockbuilders.host.

Name Servers

blockbuilders.host has two authoritative name servers — aron.ns.cloudflare.com and mitch.ns.cloudflare.com.

blockbuilders.host shares its name server setup with other domains, including spinrollz.games, autocorrect.com.au, basariopticals.com and two others.

The name servers of blockbuilders.host overlap at least partially with those of other domains — among them retailbankingresearch.com, fx7.net, devforge.com and two more.

These name servers commonly appear alongside the name servers cloe.ns.cloudflare.com and jake.ns.cloudflare.com.

Host names with 6 IP numbers:

aron.ns.cloudflare.com points to 108.162.192.69, 172.64.32.69, 173.245.58.69 and 3 other IP addresses.

mitch.ns.cloudflare.com points to 108.162.193.208, 172.64.33.208, 173.245.59.208 and 3 other IP addresses.