sdrcjrs.com - robtex.com

sdrcjrs.com

DNSSEC⚠️ Not signed
A52.87.105.192🇺🇸 Amazon52.86.0.0/15 EC2 IAD prefix
PTRec2-52-87-105-192.compute-1.amazonaws.com
NSb.dns.clubexpress.com ⭐
A205.251.195.112🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-880.awsdns-46.net
NSa.dns.clubexpress.com
A205.251.192.21🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-21.awsdns-02.com
NSc.dns.clubexpress.com ⚠️ Not in parent delegation
A205.251.197.161🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1441.awsdns-52.org
NSd.dns.clubexpress.com ⚠️ Not in parent delegation
A205.251.198.251🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1787.awsdns-31.co.uk
MXmail.sdrcjrs.com ⭐
A35.171.232.206🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix
PTRforward.clubexpress.com
TXTv=spf1 a:mailer.clubexpress.com ~all
SOAb.dns.clubexpress.comawsdns-hostmaster@amazon.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774396652

Subdomains

mail.sdrcjrs.com

Same first word

sdrcjrs.com

DNS History

7 records (6 active, 1 former)

20162017201820192020202120222023202420252026NSa.dns.clubexpress.comb.dns.clubexpress.comc.dns.clubexpress.comd.dns.clubexpress.comMXmail.sdrcjrs.comA52.87.105.192208.66.171.71
●NSa.dns.clubexpress.com2015-06-17 → 2026-03-25 · 2 obs
● 2015-06-17 18:00:54
● 2026-03-25 00:26:26
●NSb.dns.clubexpress.com2015-06-17 → 2026-03-25 · 2 obs
● 2015-06-17 18:00:54
● 2026-03-25 00:26:26
●NSc.dns.clubexpress.com2026-03-25 → 2026-03-25 · 3 obs
○ 2015-06-17 18:00:54
● 2026-03-25 00:26:24
● 2026-03-25 00:26:26
●NSd.dns.clubexpress.com2026-03-25 → 2026-03-25 · 3 obs
○ 2015-06-17 18:00:54
● 2026-03-25 00:26:24
● 2026-03-25 00:26:26
●MXmail.sdrcjrs.com2015-06-17 → 2026-03-25 · 2 obs
● 2015-06-17 18:00:54
● 2026-03-25 00:26:26
○A208.66.171.712015-06-17 → 2019-03-27 · 4 obs
● 2015-06-17 18:00:54
● 2019-03-27 04:05:10
○ 2026-03-25 00:26:24
○ 2026-03-25 00:26:26
●A52.87.105.1922026-03-25 → 2026-03-25 · 3 obs
○ 2019-03-27 04:05:10
● 2026-03-25 00:26:24
● 2026-03-25 00:26:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net...-
sdrcjrs.coma.dns.clubexpress.com, b.dns.clubexpress.com2 records

✅ Authoritative Response

Server:205.251.192.21

NS records: a.dns.clubexpress.com, b.dns.clubexpress.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdrcjrs.com (unsigned zone)

⏱️ Timing

Total: 164ms | Queries: -

📄 Records

TypeCountSample Data
A152.87.105.192
NS4a.dns.clubexpress.com, b.dns.clubexpress.com...
MX1mail.sdrcjrs.com (pri: 10)
TXT1v=spf1 a:mailer.clubexpress.com ~all
SOA1b.dns.clubexpress.com awsdns-hostmaster.

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (a.dns.clubexpress.com, b.dns.clubexpress.com)

Analysis

Hierarchy

sdrcjrs.com is a parent of mail.sdrcjrs.com.

IP Addresses

sdrcjrs.com points to a single IP number: 52.87.105.192.

Other host names, for instance tacomarifle.org, fvbsc.org, acsm-cepa.com, www.cbbikeclub.org and www.springlakeswimming.com share IP numbers with sdrcjrs.com.

Name Servers

sdrcjrs.com is delegated to four name servers: a.dns.clubexpress.com, b.dns.clubexpress.com, c.dns.clubexpress.com and d.dns.clubexpress.com.

sdrcjrs.com at least partially shares name servers with other domains, for instance mhsea.org, naccra.com, maaom.org, selbybayyc.com and bushwhackerclimbingclub.org.

Host names with a single IP address

a.dns.clubexpress.com points to 205.251.192.21

b.dns.clubexpress.com points to 205.251.195.112

c.dns.clubexpress.com points to 205.251.197.161

d.dns.clubexpress.com points to 205.251.198.251

Mail Servers

sdrcjrs.com is handled by a single mail server, mail.sdrcjrs.com.

mail.sdrcjrs.com points to a single IP: 35.171.232.206.