bizstack.tech - dns.ninja

`bizstack.tech`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2531^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:cbf6^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.49^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.203.246^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`graham.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`graham.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`graham.ns.cloudflare.com`
		A	108.162.193.171^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	172.64.33.171^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	173.245.59.171^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
NS	`meg.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meg.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meg.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meg.ns.cloudflare.com`
		A	108.162.192.196^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meg.ns.cloudflare.com`
		A	172.64.32.196^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meg.ns.cloudflare.com`
		A	173.245.58.196^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meg.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`admitad-verification: ee812af43d`
TXT	`apple-domain=UapVRGkLcqQBrh7W`
TXT	`brave-ledger-verification=11175f3c393ac4befb11c52374af6dbf1965f2ee54ed18bf9cc...`
TXT	`dub-domain-verification=987b1764-9148-46b0-90f1-cb9982572c27`
TXT	`dub-domain-verification=c16ef85f-6442-4e97-a372-ddf14648a9c2`
TXT	`google-site-verification=F5R0_6YXuflY0-M_TYimvK3BcG-BSSrgZX-t3HIUhiM`
TXT	`google-site-verification=Ux2C4VQaIjdIslMLS25y_jrZkcFlp72HK_dZZa00DqY`
TXT	`keybase-site-verification=v6RjAfoyL7zbj4ck0pmSwHYqTyAwDnFb3DWIqcU5g0w`
TXT	`openai-domain-verification=dv-W6IKZv67YVhJvlrA86CD7OXa`
TXT	`v=spf1 include:spf.useinbox.net include:_spf.google.com include:icloud.com ~all`
TXT	`yandex-verification: a565ce6ec4254686`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.49, 172.67.203.246
		IPv6 hints	2606:4700:3032::6815:2531, 2606:4700:3036::ac43:cbf6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=213, name=cloudflare-ech.com
SOA	`graham.ns.cloudflare.com`dns@cloudflare.com serial=2407883490

`tech`

	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=1785700437

🔒 HSTS Preload (+subdomains)

Same first word

bizstack.nl

bizstack.space

bizstack.tech

Similar names

stackbiz.com

DNS History

9 records (8 active, 1 former)

●NSgraham.ns.cloudflare.com2026-04-02 → 2026-08-02 · 2 obs

● 2026-04-02 09:10:48
● 2026-08-02 20:03:24

●NSmeg.ns.cloudflare.com2026-04-02 → 2026-08-02 · 2 obs

● 2026-04-02 09:10:48
● 2026-08-02 20:03:24

●MXmx01.mail.icloud.com2026-04-02 → 2026-08-02 · 2 obs

● 2026-04-02 09:10:48
● 2026-08-02 20:03:24

●MXmx02.mail.icloud.com2026-04-02 → 2026-08-02 · 2 obs

● 2026-04-02 09:10:48
● 2026-08-02 20:03:24

●A104.21.37.492026-04-02 → 2026-08-02 · 2 obs

● 2026-04-02 09:10:48
● 2026-08-02 20:03:24

●A172.67.203.2462026-04-02 → 2026-08-02 · 2 obs

● 2026-04-02 09:10:48
● 2026-08-02 20:03:24

●A2606:4700:3032::6815:25312026-06-23 → 2026-08-02 · 3 obs

○ 2026-06-14 23:43:26
● 2026-06-23 19:04:16
● 2026-08-02 20:03:24

○A2606:4700:3034::6815:25312026-04-02 → 2026-06-14 · 4 obs

● 2026-04-02 09:10:48
● 2026-06-14 23:43:26
○ 2026-06-23 19:04:16
○ 2026-08-02 20:03:24

●A2606:4700:3036::ac43:cbf62026-04-02 → 2026-08-02 · 2 obs

● 2026-04-02 09:10:48
● 2026-08-02 20:03:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.com	-
bizstack.tech	meg.ns.cloudflare.com, graham.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.171

NS records: meg.ns.cloudflare.com, graham.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bizstack.tech (unsigned zone)

⏱️ Timing

Total: 567ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.203.246, 104.21.37.49`
AAAA	2	`2606:4700:3032::6815:2531, 2606:4700:3036::ac43:cbf6`
NS	2	`graham.ns.cloudflare.com, meg.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	11	`admitad-verification: ee812af43d, apple-domain=UapVRGkLcqQBrh7W...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`graham.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

bizstack.tech directs to four IP numbers, which are 104.21.37.49, 172.67.203.246, 2606:4700:3032::6815:2531 and 2606:4700:3036::ac43:cbf6.

Additional host names — aduan.sbbkab.go.id, vernsky.ru, sewnreap.co.uk and two others — share IP numbers with bizstack.tech.

Name Servers

DNS delegation for bizstack.tech points to two name servers: graham.ns.cloudflare.com and meg.ns.cloudflare.com.

bizstack.tech shares its name server setup with other domains, including kardan.si, alwaysflybusiness.com, zharr.is and two others.

There is at least partial name server overlap between bizstack.tech and other domains — elnosbl.com, philadelphiaballet.org, party-npk.ru and two more among them.

These name servers are routinely deployed together with the name servers june.ns.cloudflare.com.

Host names with 6 IP numbers:

graham.ns.cloudflare.com has IP addresses 108.162.193.171, 172.64.33.171 and 173.245.59.171, plus 3 other.

meg.ns.cloudflare.com has IP addresses 108.162.192.196, 172.64.32.196 and 173.245.58.196, plus 3 other.

Mail Servers

bizstack.tech has two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

bizstack.tech shares the same mail server setup as other domains, including tedlin.tw, swinghammer.com, jeffbraddock.com and two others.

bizstack.tech and a number of other domains — cfeam.com, uvf.dk, ericjr.com and vericras.com among them — share at least some of the same mail servers.

Host names with 6 IP numbers:

mx01.mail.icloud.com has IP addresses 17.42.251.62, 17.56.9.31 and 17.57.152.5, plus 3 other.

mx02.mail.icloud.com has IP addresses 17.42.251.62, 17.56.9.31 and 17.57.152.5, plus 3 other.

Host names pointing to 17.42.251.62 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.56.9.31 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.152.5 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.154.33 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.155.25 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.156.30 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.