smartstack.build - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`smartstack.build`

DNSSEC	⚠️ Not signed
NS	`jakub.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c55^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jakub.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c355^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jakub.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2355^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jakub.ns.cloudflare.com`
		A	108.162.195.85^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jakub.ns.cloudflare.com`
		A	162.159.44.85^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jakub.ns.cloudflare.com`
		A	172.64.35.85^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jakub.ns.cloudflare.com`
NS	`margaret.ns.cloudflare.com`
		A	2606:4700:50::a29f:266b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margaret.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`margaret.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`margaret.ns.cloudflare.com`
		A	108.162.194.107^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margaret.ns.cloudflare.com`
		A	162.159.38.107^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margaret.ns.cloudflare.com`
		A	172.64.34.107^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margaret.ns.cloudflare.com`
MX	`mail.tutanota.de` ⭐
		A	185.205.69.211^{🇺🇸 TUTA185.205.69.0/24}
			PTR	`mail.w11.tutanota.de`
		A	185.205.69.213^{🇺🇸 TUTA185.205.69.0/24}
			PTR	`mail.w13.tutanota.de`
		A	185.205.69.214^{🇺🇸 TUTA185.205.69.0/24}
			PTR	`mail.w14.tutanota.de`
TXT	`t-verify=db99e0e4d08ff70b9f39284ce441eaf0`
TXT	`v=spf1 include:spf.tutanota.de -all`
SOA	`jakub.ns.cloudflare.com`dns@cloudflare.com serial=2415775589

`build`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.nic.build`
	NS	`b.nic.build`
	NS	`c.nic.build`
	NS	`d.nic.build`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1791331142

Same first word

Similar names

Previous names

Next names

DNS History

3 records (3 active, 0 former)

●NSjakub.ns.cloudflare.com2026-09-24 → 2026-10-07 · 2 obs

● 2026-09-24 12:39:04
● 2026-10-07 00:36:34

●NSmargaret.ns.cloudflare.com2026-09-24 → 2026-10-07 · 2 obs

● 2026-09-24 12:39:04
● 2026-10-07 00:36:34

●MXmail.tutanota.de2026-09-24 → 2026-10-07 · 2 obs

● 2026-09-24 12:39:04
● 2026-10-07 00:36:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
build	a.nic.build, b.nic.build, c.nic.build, d.nic.build	8 records
smartstack.build	jakub.ns.cloudflare.com, margaret.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.107

NS records: jakub.ns.cloudflare.com, margaret.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1400ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`jakub.ns.cloudflare.com, margaret.ns.cloudflare.com`
MX	1	`mail.tutanota.de (pri: 0)`
TXT	2	`t-verify=db99e0e4d08ff70b9f39284ce441eaf, v=spf1 include:spf.tutanota.de -all`
SOA	1	`jakub.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.nic.build, a.nic.build, b.nic.build...)

Analysis

Name Servers

The NS records for smartstack.build delegate to jakub.ns.cloudflare.com and margaret.ns.cloudflare.com.

The name server configuration of smartstack.build is shared with other domains, for instance noticiadireitoravlen.sbs, uc11.cc, direitonoriannews.sbs and two others.

There is at least partial name server overlap between smartstack.build and other domains — laruepest.com, 18g-1.com, tennislivetv.com and two more among them.

These name servers tend to appear in combination with the name servers tiffany.ns.cloudflare.com, hattie.ns.cloudflare.com, kristina.ns.cloudflare.com and beau.ns.cloudflare.com.

Hosts with 6 IP addresses each:

jakub.ns.cloudflare.com maps to 108.162.195.85, 162.159.44.85, 172.64.35.85 and 3 additional IP addresses.

margaret.ns.cloudflare.com maps to 108.162.194.107, 162.159.38.107, 172.64.34.107 and 3 additional IP addresses.

Mail Servers

smartstack.build uses one mail server — mail.tutanota.de.

The mail server setup of smartstack.build matches that of other domains such as well-founded.dev, myodynamic.com, mindf.uk and two others.

smartstack.build and other domains — rohanarora.name for instance — share at least some mail servers.

The hostname mail.tutanota.de carries three IP records: 185.205.69.211, 185.205.69.213 and 185.205.69.214.