`e.csru.org`

	DNSSEC	⚠️ Not signed
	A	2a04:bdc7:100:fef9::5168^{🇺🇸 HOSTHATCH-ASN2a04:bdc7:100::/48 HostHatch LAX}
	A	31.220.30.40^{🇺🇸 HOSTHATCH-ASN31.220.30.0/24 HostHatch LAX}

`csru.org`

	DNSSEC	⚠️ Not signed
	A	31.220.30.40^{🇺🇸 HOSTHATCH-ASN31.220.30.0/24 HostHatch LAX}
	NS	`ns1.he.net` ⭐
	NS	`ns2.he.net`
	NS	`ns3.he.net`
	NS	`ns4.he.net`
	NS	`ns5.he.net`
	MX	`csru.org` ⭐
	TXT	`v=spf1 mx ~all`
	SOA	`ns1.he.net`hostmaster@he.net 2026-02-28 #2

PTR for

40.30.220.31.in-addr.arpa

237.30.197.185.in-addr.arpa

Same first word

e.ls

e.ly

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e.gp

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e.gov.bh

e.ltd

e.vu

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e.id

e.best

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e.cash

e.akamai.net

e.vg

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e.services

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e.vin

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DNS History

2 records (2 active, 0 former)

●A2a04:bdc7:100:fef9::51682026-02-22 → 2026-03-26 · 2 obs

● 2026-02-22 21:19:14
● 2026-03-26 21:05:54

●A31.220.30.402026-02-22 → 2026-03-26 · 2 obs

● 2026-02-22 21:19:14
● 2026-03-26 21:05:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
csru.org	ns4.he.net, ns1.he.net, ns3.he.net, ns5.he.net...	-

✅ Authoritative Response

Server:216.218.131.2

NS records: ns4.he.net, ns1.he.net, ns3.he.net, ns5.he.net, ns2.he.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csru.org (unsigned zone)

⏱️ Timing

Total: 626ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.220.30.40`
AAAA	1	`2a04:bdc7:100:fef9::5168`

Analysis

IP Addresses

e.csru.org points to two IPs: 2a04:bdc7:100:fef9::5168 and 31.220.30.40.

Other host names such as csru.org, tludik.com and bery.bid share IP numbers with e.csru.org.

e.csru.org - robtex.com

e.csru.org

csru.org