thinkboard.com - dns.ninja

`thinkboard.com`

DNSSEC	⚠️ Not signed
A	216.239.32.21^{🇺🇸 Google216.239.32.0/24}
		PTR	`any-in-2015.1e100.net`
A	216.239.34.21^{🇺🇸 Google216.239.34.0/24}
A	216.239.36.21^{🇺🇸 Google216.239.36.0/24}
A	216.239.38.21^{🇺🇸 Google216.239.38.0/24}
NS	`ns93.worldnic.com` ⭐
		A	162.159.26.217^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns94.worldnic.com`
		A	162.159.27.155^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx4.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`aspmx5.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
SOA	`NS93.WORLDNIC.com`namehost@WORLDNIC.com serial=118013113

`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=1783781317

Subdomains

ftp.thinkboard.com

mail.thinkboard.com

www.thinkboard.com

Same first word

thinkboard.de

thinkboard.net

thinkboard.com

Similar names

thinkbroad.cn

thinkbroad.com.cn

broadthink.cn

DNS History

16 records (13 active, 3 former)

○NSns1.thinkboard.com2009-07-02 → 2009-07-02 · 3 obs

● 2009-07-02 23:26:06
○ 2015-08-29 18:31:38
○ 2026-07-11 15:13:26

○NSns2.thinkboard.com2009-07-02 → 2009-07-02 · 3 obs

● 2009-07-02 23:26:06
○ 2015-08-29 18:31:38
○ 2026-07-11 15:13:26

●NSns93.worldnic.com2015-08-29 → 2026-07-11 · 3 obs

○ 2009-07-02 23:26:06
● 2015-08-29 18:31:38
● 2026-07-11 15:13:26

●NSns94.worldnic.com2015-08-29 → 2026-07-11 · 3 obs

○ 2009-07-02 23:26:06
● 2015-08-29 18:31:38
● 2026-07-11 15:13:26

●MXalt1.aspmx.l.google.com2015-08-29 → 2026-07-11 · 3 obs

○ 2009-07-02 23:26:06
● 2015-08-29 18:31:38
● 2026-07-11 15:13:26

●MXalt2.aspmx.l.google.com2015-08-29 → 2026-07-11 · 3 obs

○ 2009-07-02 23:26:06
● 2015-08-29 18:31:38
● 2026-07-11 15:13:26

●MXaspmx.l.google.com2015-08-29 → 2026-07-11 · 3 obs

○ 2009-07-02 23:26:06
● 2015-08-29 18:31:38
● 2026-07-11 15:13:26

●MXaspmx2.googlemail.com2015-08-29 → 2026-07-11 · 3 obs

○ 2009-07-02 23:26:06
● 2015-08-29 18:31:38
● 2026-07-11 15:13:26

●MXaspmx3.googlemail.com2015-08-29 → 2026-07-11 · 3 obs

○ 2009-07-02 23:26:06
● 2015-08-29 18:31:38
● 2026-07-11 15:13:26

●MXaspmx4.googlemail.com2015-08-29 → 2026-07-11 · 3 obs

○ 2009-07-02 23:26:06
● 2015-08-29 18:31:38
● 2026-07-11 15:13:26

●MXaspmx5.googlemail.com2015-08-29 → 2026-07-11 · 3 obs

○ 2009-07-02 23:26:06
● 2015-08-29 18:31:38
● 2026-07-11 15:13:26

○A208.91.197.272015-08-29 → 2018-01-03 · 5 obs

○ 2009-07-02 23:26:06
● 2015-08-29 18:31:38
● 2018-01-03 08:56:48
○ 2018-03-08 16:01:32
○ 2026-07-11 15:13:26

●A216.239.32.212018-03-08 → 2026-07-11 · 3 obs

○ 2018-01-03 08:56:48
● 2018-03-08 16:01:32
● 2026-07-11 15:13:26

●A216.239.34.212018-03-08 → 2026-07-11 · 3 obs

○ 2018-01-03 08:56:48
● 2018-03-08 16:01:32
● 2026-07-11 15:13:26

●A216.239.36.212018-03-08 → 2026-07-11 · 3 obs

○ 2018-01-03 08:56:48
● 2018-03-08 16:01:32
● 2026-07-11 15:13:26

●A216.239.38.212018-03-08 → 2026-07-11 · 3 obs

○ 2018-01-03 08:56:48
● 2018-03-08 16:01:32
● 2026-07-11 15:13:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net...	-
thinkboard.com	ns93.worldnic.com, ns94.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.155

NS records: ns93.worldnic.com, ns94.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinkboard.com (unsigned zone)

⏱️ Timing

Total: 831ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`216.239.32.21, 216.239.34.21...`
NS	2	`ns93.worldnic.com, ns94.worldnic.com`
MX	7	`alt2.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 10)...`
SOA	1	`NS93.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns93.worldnic.com, ns94.worldnic.com)

Analysis

Hierarchy

thinkboard.com is the parent domain of ftp.thinkboard.com, mail.thinkboard.com and www.thinkboard.com.

IP Addresses

thinkboard.com resolves to four IP addresses: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.

ge-bdcs.com, audipec.com.br, greckieprzepisy.pl and two other host names share IP numbers with thinkboard.com.

Name Servers

thinkboard.com is served by two delegated name servers, ns93.worldnic.com and ns94.worldnic.com.

thinkboard.com uses the same name servers as several other domains — among them bookshopbuys.com, dasesto.com, jhwilliamsinc.com and two more.

thinkboard.com shares at least some of its name servers with other domains, such as ccip.com and pilgrimins.insure.

ns93.worldnic.com and ns94.worldnic.com each resolve to one IP number: ns93.worldnic.com points to 162.159.26.217 and ns94.worldnic.com points to 162.159.27.155.

Mail Servers

thinkboard.com is handled by 7 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.

thinkboard.com has at least partial mail server overlap with other domains such as gohumanfirst.com, ns500671.ns500742.ns500671.ns500731.ns500731.ns500671.ns500671.ns500704.ns500688.ns500705.ns500704.ns500291.ns500649.ns500653.ns500153.tenderladiesbz.com, ns500734.ns500734.ns500693.ns500699.ns500693.ns500693.ns500699.ns500699.ns500699.ns500699.ns500588.ns500699.ns500588.ns500612.ns500612.dtrkdll.com and two more.

These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, aspmx.l.google.com, alt2.aspmx.l.google.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx2.googlemail.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx4.googlemail.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c0f::1b.

aspmx5.googlemail.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1b.

aspmx.l.google.com maps to two IP addresses — 172.253.63.26 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.

These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 2800:3f0:4003:c0f::1a IP addresses.

These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 108.177.123.26 IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 2a00:1450:400b:c02::1b IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 172.253.116.26 IP addresses.