groupcdb.com - dns.ninja

`groupcdb.com`

DNSSEC	⚠️ Not signed
NS	`ns1.dreamhost.com` ⭐
		A	162.159.26.14^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dreamhost.com`
NS	`ns2.dreamhost.com`
		A	162.159.26.81^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dreamhost.com`
NS	`ns3.dreamhost.com`
		A	162.159.27.84^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.dreamhost.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.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:c0f::1b^{🇨🇱 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`⁽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::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.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=jQf1--YSjzepQ4GcKUTrzjBb8UN-Qt0dB_fg9JNir5w`
TXT	`v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all`
SOA	`ns1.dreamhost.com`hostmaster@dreamhost.com 2026-06-16 #0

`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=1783381351

Same first word

groupcdb.com

Similar names

DNS History

11 records (8 active, 3 former)

●NSns1.dreamhost.com2016-12-21 → 2026-07-06 · 2 obs

● 2016-12-21 05:13:56
● 2026-07-06 23:43:08

●NSns2.dreamhost.com2016-12-21 → 2026-07-06 · 2 obs

● 2016-12-21 05:13:56
● 2026-07-06 23:43:08

●NSns3.dreamhost.com2016-12-21 → 2026-07-06 · 2 obs

● 2016-12-21 05:13:56
● 2026-07-06 23:43:08

●MXalt1.aspmx.l.google.com2026-07-01 → 2026-07-06 · 3 obs

○ 2017-10-06 16:56:52
● 2026-07-01 12:56:02
● 2026-07-06 23:43:08

●MXalt2.aspmx.l.google.com2026-07-01 → 2026-07-06 · 3 obs

○ 2017-10-06 16:56:52
● 2026-07-01 12:56:02
● 2026-07-06 23:43:08

●MXalt3.aspmx.l.google.com2026-07-01 → 2026-07-06 · 3 obs

○ 2017-10-06 16:56:52
● 2026-07-01 12:56:02
● 2026-07-06 23:43:08

●MXalt4.aspmx.l.google.com2026-07-01 → 2026-07-06 · 3 obs

○ 2017-10-06 16:56:52
● 2026-07-01 12:56:02
● 2026-07-06 23:43:08

●MXaspmx.l.google.com2026-07-01 → 2026-07-06 · 3 obs

○ 2017-10-06 16:56:52
● 2026-07-01 12:56:02
● 2026-07-06 23:43:08

○MXmx1.sub4.homie.mail.dreamhost.com2016-12-21 → 2017-10-06 · 4 obs

● 2016-12-21 05:13:56
● 2017-10-06 16:56:52
○ 2026-07-01 12:56:02
○ 2026-07-06 23:43:08

○MXmx2.sub4.homie.mail.dreamhost.com2016-12-21 → 2017-10-06 · 4 obs

● 2016-12-21 05:13:56
● 2017-10-06 16:56:52
○ 2026-07-01 12:56:02
○ 2026-07-06 23:43:08

○A75.119.205.1012016-12-21 → 2017-10-06 · 4 obs

● 2016-12-21 05:13:56
● 2017-10-06 16:56:52
○ 2026-07-01 12:56:02
○ 2026-07-06 23:43:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
groupcdb.com	ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com	3 records

✅ Authoritative Response

Server:162.159.26.81

NS records: ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groupcdb.com (unsigned zone)

⏱️ Timing

Total: 581ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns1.dreamhost.com, ns3.dreamhost.com...`
MX	5	`ASPMX.L.GOOGLE.com (pri: 1), ALT4.ASPMX.L.GOOGLE.com (pri: 10)...`
TXT	2	`v=spf1 mx include:netblocks.dreamhost.co, google-site-verification=jQf1--YSjzepQ4G`
SOA	1	`ns1.dreamhost.com hostmaster.dreamhost.c`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com)

Analysis

Name Servers

groupcdb.com carries NS records delegating to ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com.

groupcdb.com partially shares its NS delegation with several other domains, including lafayettecoc.com, ordo-eris.com, dcrhome.org and two others.

ns1.dreamhost.com points to 162.159.26.14; ns2.dreamhost.com points to 162.159.26.81; ns3.dreamhost.com points to 162.159.27.84 — each hostname maps to exactly one IP address.

Mail Servers

Mail for groupcdb.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

groupcdb.com shares mail servers — at least in part — with other domains, including dublincityschools.net, exodusllc.net, ajpsychology.com and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com resolves to two addresses: 192.178.155.26 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

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

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

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