rtclabs.net - dns.ninja

rtclabs.net

DNSSEC⚠️ Not signed
A76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
NSns1.dreamhost.com
A162.159.26.14Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.dreamhost.com
NSns2.dreamhost.com
A162.159.26.81Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.dreamhost.com
NSns3.dreamhost.com
A162.159.27.84Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.dreamhost.com
MXmx2.zoho.com
A136.143.183.44🇺🇸 ZohoAS136.143.182.0/23 Zoho
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
MXmx3.zoho.com(20)
A204.141.43.44🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx6.zoho.com
PTRmx7.zoho.com
PTRmx8.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
MXmx.zoho.com(50)
A204.141.43.44🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx6.zoho.com
PTRmx7.zoho.com
PTRmx8.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
TXTzoho-verification=zb04570499.zmverify.zoho.com
TXTv=spf1 include:zohomail.com ~all
SOAns1.dreamhost.comhostmaster@dreamhost.com 2025-04-14 #5

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐ ⚠️ Not in parent delegation
NSb.gtld-servers.net ⚠️ Not in parent delegation
NSc.gtld-servers.net ⚠️ Not in parent delegation
NSd.gtld-servers.net ⚠️ Not in parent delegation
NSe.gtld-servers.net ⚠️ Not in parent delegation
NSf.gtld-servers.net
NSg.gtld-servers.net ⚠️ Not in parent delegation
NSh.gtld-servers.net ⚠️ Not in parent delegation
NSi.gtld-servers.net
NSj.gtld-servers.net ⚠️ Not in parent delegation
NSk.gtld-servers.net ⚠️ Not in parent delegation
NSl.gtld-servers.net ⚠️ Not in parent delegation
NSm.gtld-servers.net ⚠️ Not in parent delegation
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786334754

Same first word

Similar names

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSns1.dreamhost.comns2.dreamhost.comns3.dreamhost.comns49.domaincontrol.comns50.domaincontrol.comMXmx.zoho.commx2.zoho.commx3.zoho.comrtclabs-net.mail.protection.outlook.comA76.76.21.21184.168.221.35
NSns1.dreamhost.com2026-05-02 → 2026-08-10 · 3 obs
○ 2019-01-05 07:34:32
● 2026-05-02 12:55:26
● 2026-08-10 04:09:16
NSns2.dreamhost.com2026-05-02 → 2026-08-10 · 3 obs
○ 2019-01-05 07:34:32
● 2026-05-02 12:55:26
● 2026-08-10 04:09:16
NSns3.dreamhost.com2026-05-02 → 2026-08-10 · 3 obs
○ 2019-01-05 07:34:32
● 2026-05-02 12:55:26
● 2026-08-10 04:09:16
NSns49.domaincontrol.com2015-07-08 → 2019-01-05 · 4 obs
● 2015-07-08 20:21:48
● 2019-01-05 07:34:32
○ 2026-05-02 12:55:26
○ 2026-08-10 04:09:16
NSns50.domaincontrol.com2015-07-08 → 2019-01-05 · 4 obs
● 2015-07-08 20:21:48
● 2019-01-05 07:34:32
○ 2026-05-02 12:55:26
○ 2026-08-10 04:09:16
MXmx.zoho.com2026-05-02 → 2026-08-10 · 3 obs
○ 2019-01-05 07:34:32
● 2026-05-02 12:55:26
● 2026-08-10 04:09:16
MXmx2.zoho.com2026-05-02 → 2026-08-10 · 3 obs
○ 2019-01-05 07:34:32
● 2026-05-02 12:55:26
● 2026-08-10 04:09:16
MXmx3.zoho.com2026-05-02 → 2026-08-10 · 3 obs
○ 2019-01-05 07:34:32
● 2026-05-02 12:55:26
● 2026-08-10 04:09:16
MXrtclabs-net.mail.protection.outlook.com2015-07-08 → 2019-01-05 · 4 obs
● 2015-07-08 20:21:48
● 2019-01-05 07:34:32
○ 2026-05-02 12:55:26
○ 2026-08-10 04:09:16
A184.168.221.352015-07-08 → 2019-01-05 · 4 obs
● 2015-07-08 20:21:48
● 2019-01-05 07:34:32
○ 2026-05-02 12:55:26
○ 2026-08-10 04:09:16
A76.76.21.212026-05-02 → 2026-08-10 · 3 obs
○ 2019-01-05 07:34:32
● 2026-05-02 12:55:26
● 2026-08-10 04:09:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netf.gtld-servers.net, i.gtld-servers.net-
rtclabs.netns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com-

✅ Authoritative Response

Server:162.159.27.84

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtclabs.net (unsigned zone)

⏱️ Timing

Total: 502ms | Queries: -

📄 Records

TypeCountSample Data
A176.76.21.21
NS3ns3.dreamhost.com, ns2.dreamhost.com...
MX3mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...
TXT2v=spf1 include:zohomail.com ~all, zoho-verification=zb04570499.zmverify.zo
SOA1ns1.dreamhost.com hostmaster.dreamhost.c

Analysis

IP Addresses

rtclabs.net has exactly one IP address — 76.76.21.21.

eurokancom.com, townhop.ai, welly.tw plus two other host names have IP numbers in common with rtclabs.net.

Name Servers

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

rtclabs.net partially shares its NS delegation with several other domains, including txisko.com, bleedingespresso.com, printeet.com 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

rtclabs.net uses three mail servers — mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

At least some of the mail servers used by rtclabs.net are shared with other domains: globaldealfornature.org, nandidecoracoes.com.br, mixingenergy.com and two others among them.

Each of mx2.zoho.com, mx3.zoho.com and mx.zoho.com resolves to one IP address: mx2.zoho.com to 136.143.183.44, and both mx3.zoho.com and mx.zoho.com to 204.141.43.44.

mx3.zoho.com along with mx.zoho.com each resolve to 204.141.43.44 IP addresses.