`relay.esterdev.com`

DNSSEC	⚠️ Not signed
A	46.191.227.78^{🇷🇺 KGS-NET46.191.227.0/24 JSC "Ufanet" Kazan branch}
		PTR	`relay.esterdev.com`
TXT	`v=spf1 redirect=esterdev.com`

`esterdev.com`

	DNSSEC	⚠️ Not signed
	A	46.191.227.76^{🇷🇺 KGS-NET46.191.227.0/24 JSC "Ufanet" Kazan branch}
	NS	`ns2.esterdev.com` ⭐
	NS	`ns.esterdev.com`
	MX	`relay.esterdev.com` ⭐
	MX	`relay4.esterdev.com`⁽¹⁰⁾
	TXT	`v=spf1 +a:smaug.esterdev.com +a:relay4.esterdev.com +a:relay3.esterdev.com +a...`
	SOA	`ns.esterdev.com`netadm@esterdev.com 2025-11-20 #2

📈 Tranco rank: #273,747

PTR for

78.227.191.46.in-addr.arpa

MX for

esterdev.com

da16s1a.net

Same first word

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DNS History

3 records (1 active, 2 former)

○A212.22.81.2332008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 07:07:06
○ 2014-07-02 23:10:06
○ 2026-06-14 23:36:44

●A46.191.227.782026-03-26 → 2026-06-14 · 3 obs

○ 2016-09-17 15:18:50
● 2026-03-26 04:57:34
● 2026-06-14 23:36:44

○A89.184.8.62014-07-02 → 2016-09-17 · 5 obs

○ 2008-03-20 07:07:06
● 2014-07-02 23:10:06
● 2016-09-17 15:18:50
○ 2026-03-26 04:57:34
○ 2026-06-14 23:36:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...	-
esterdev.com	ns.esterdev.com, ns2.esterdev.com	2 records

✅ Authoritative Response

Server:78.138.129.35

NS records: ns.esterdev.com, ns2.esterdev.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for esterdev.com (unsigned zone)

⏱️ Timing

Total: 870ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.191.227.78`
TXT	1	`v=spf1 redirect=esterdev.com`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns.esterdev.com, ns2.esterdev.com)

Analysis

Mail Server Role

Mail for esterdev.com and da16s1a.net is handled by relay.esterdev.com.

relay4.esterdev.com and relay.da16s1a.net are often paired with relay.esterdev.com as mail servers.

IP Addresses

relay.esterdev.com resolves to just one IP address, 46.191.227.78.

Host names such as ns.esterdev.com, ns.finist-soft.ru and ns2.da16s1a.net share their IP numbers with relay.esterdev.com.

relay.esterdev.com - dns.ninja