🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`bigthinkplus.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:ac18^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:47ed^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.71.237^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.24^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`frank.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`frank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`frank.ns.cloudflare.com`
		A	108.162.193.166^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	172.64.33.166^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	173.245.59.166^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
NS	`liv.ns.cloudflare.com`
		A	2606:4700:50::adf5:3abc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liv.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0bc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`liv.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20bc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`liv.ns.cloudflare.com`
		A	108.162.192.188^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liv.ns.cloudflare.com`
		A	172.64.32.188^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liv.ns.cloudflare.com`
		A	173.245.58.188^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liv.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=V-qWOCQyz0QLc8ep06hJR_7XPe1ed5ACR3MLBmaLx4E`
TXT	`v=spf1 include:_spf.google.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.71.237, 172.67.172.24
		IPv6 hints	2606:4700:3035::ac43:ac18, 2606:4700:3037::6815:47ed
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=139, name=cloudflare-ech.com
SOA	`frank.ns.cloudflare.com`dns@cloudflare.com serial=2419401075

`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=1794634581

Same first word

bigthinkplus.cn

bigthinkplus.com

Similar names

ktpublishing.org

thinkbigplus.net

ktpublishing.com.tw

thinkbigplus.info

tkpublishing.net

tkpublishing.us

tkpublishing.com

Previous names

Next names

DNS History

11 records (11 active, 0 former)

●NSfrank.ns.cloudflare.com2026-09-05 → 2026-11-14 · 2 obs

● 2026-09-05 08:19:20
● 2026-11-14 05:47:52

●NSliv.ns.cloudflare.com2026-09-05 → 2026-11-14 · 2 obs

● 2026-09-05 08:19:20
● 2026-11-14 05:47:52

●MXalt1.aspmx.l.google.com2026-09-05 → 2026-11-14 · 2 obs

● 2026-09-05 08:19:20
● 2026-11-14 05:47:52

●MXalt2.aspmx.l.google.com2026-09-05 → 2026-11-14 · 2 obs

● 2026-09-05 08:19:20
● 2026-11-14 05:47:52

●MXalt3.aspmx.l.google.com2026-09-05 → 2026-11-14 · 2 obs

● 2026-09-05 08:19:20
● 2026-11-14 05:47:52

●MXalt4.aspmx.l.google.com2026-09-05 → 2026-11-14 · 2 obs

● 2026-09-05 08:19:20
● 2026-11-14 05:47:52

●MXaspmx.l.google.com2026-09-05 → 2026-11-14 · 2 obs

● 2026-09-05 08:19:20
● 2026-11-14 05:47:52

●A104.21.71.2372026-09-05 → 2026-11-14 · 2 obs

● 2026-09-05 08:19:20
● 2026-11-14 05:47:52

●A172.67.172.242026-09-05 → 2026-11-14 · 2 obs

● 2026-09-05 08:19:20
● 2026-11-14 05:47:52

●A2606:4700:3035::ac43:ac182026-09-05 → 2026-11-14 · 2 obs

● 2026-09-05 08:19:20
● 2026-11-14 05:47:52

●A2606:4700:3037::6815:47ed2026-09-05 → 2026-11-14 · 2 obs

● 2026-09-05 08:19:20
● 2026-11-14 05:47:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...	-
bigthinkplus.com	frank.ns.cloudflare.com, liv.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.188

NS records: frank.ns.cloudflare.com, liv.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bigthinkplus.com (unsigned zone)

⏱️ Timing

Total: 1155ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.172.24, 104.21.71.237`
AAAA	2	`2606:4700:3035::ac43:ac18, 2606:4700:3037::6815:47ed`
NS	2	`frank.ns.cloudflare.com, liv.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=V-qWOCQyz0QLc8e, v=spf1 include:_spf.google.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`frank.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

bigthinkplus.com directs to four IP numbers, which are 104.21.71.237, 172.67.172.24, 2606:4700:3035::ac43:ac18 and 2606:4700:3037::6815:47ed.

mwnz.com, highway.biz, sevenroku.top plus two other host names have IP numbers in common with bigthinkplus.com.

Name Servers

bigthinkplus.com has two authoritative name servers — frank.ns.cloudflare.com and liv.ns.cloudflare.com.

The name server configuration of bigthinkplus.com is shared with other domains, for instance lime-bikxii.com, tjsrowe.workers.dev, dravasan.lv and two others.

At least some of bigthinkplus.com's name servers are shared with other domains, for example direx-casinos.jp, cardivycenter.com, equitylawsa.com and two more.

It is common for these name servers to be used in conjunction with the name servers ashton.ns.cloudflare.com, maleah.ns.cloudflare.com and emerson.ns.cloudflare.com.

Hosts with 6 IP addresses each:

frank.ns.cloudflare.com points to 108.162.193.166, 172.64.33.166, 173.245.59.166 and 3 other IP addresses.

liv.ns.cloudflare.com points to 108.162.192.188, 172.64.32.188, 173.245.58.188 and 3 other IP addresses.

Mail Servers

Five mail servers handle bigthinkplus.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by bigthinkplus.com are shared with other domains: ggstudio.dk, pazhapa.com, yogalight.com.au and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to 192.178.155.26 and 2607:f8b0:4004:c08::1b.

alt1.aspmx.l.google.com resolves to 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1b.