`mx1.kor-sys.ru`

DNSSEC	⚠️ Not signed
A	188.68.189.11^{🇷🇺 GARS-AS188.68.189.0/24 GARS Telecom - Telecommunications Management LLC}
		PTR	`mx1.kor-sys.ru`

`kor-sys.ru`

	DNSSEC	⚠️ Not signed
	A	195.208.0.15^{🇷🇺 RU-CENTER195.208.0.0/24 RU-NIC-HOSTING}
	NS	`c.ns.kor-sys.ru` ⭐
	NS	`a.ns.kor-sys.ru`
	NS	`b.ns.kor-sys.ru`
	MX	`mx2.kor-sys.ru` ⭐
	MX	`mx1.kor-sys.ru`⁽²⁰⁾
	TXT	`pvngn70v7zqk614n1pzfmqymr8yv61j8`
	TXT	`v=spf1 mx a:mx1.kor-sys.ru a:mx2.kor-sys.ru -all`
	TXT	`202103151837104a6rna3lcuvaoyuma36sjz5puq3if550qxpuwrvm5tpgxix1pi`
	TXT	`_globalsign-domain-verification=t-jmNKVDrAoCiSvNXenUjI-FxRoPcN73MTLxzvTLdR`
	TXT	`202003232129034jx4wq4fgv2c103wkx84zvjq6m1bg8qryb11w2cztylhkye6oj`
	SOA	`c.ns.kor-sys.ru`hostmaster@kor-sys.ru 2026-02-24 #0

📈 Tranco rank: #245,067

PTR for

11.189.68.188.in-addr.arpa

52.146.23.193.in-addr.arpa

MX for

kor-sys.ru

Same first word

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mx1.blogspot.com

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Similar names

xm1.mobi

m1x.de

m1x.mobi

1mx.cn

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1mx.eu

xm1.me

m1x.com

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1mx.ru

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1mx.net

1mx.me

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m1x.dk

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1mx.com.br

m1x.eu

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xm1.site

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xm1.dnsalias.com

m1x.in

1mx.com

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1xm.org

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xm1.ru

DNS History

1 record (1 active, 0 former)

●A188.68.189.112026-02-14 → 2026-04-12 · 5 obs

● 2026-02-14 17:49:48
● 2026-03-11 23:00:20
○ 2026-03-19 16:53:38
● 2026-03-26 08:08:30
● 2026-04-12 00:39:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...	-
kor-sys.ru	a.ns.kor-sys.ru, b.ns.kor-sys.ru, c.ns.kor-sys.ru	3 records

✅ Authoritative Response

Server:91.216.121.215

NS records: a.ns.kor-sys.ru, b.ns.kor-sys.ru, c.ns.kor-sys.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kor-sys.ru (unsigned zone)

⏱️ Timing

Total: 870ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.68.189.11`

📌 Glue Records Collected

Total: 3

In-bailiwick: 3 (a.ns.kor-sys.ru, b.ns.kor-sys.ru, c.ns.kor-sys.ru)

Analysis

Mail Server Role

mx1.kor-sys.ru serves as a mail server for kor-sys.ru.

mx2.kor-sys.ru is commonly used as a mail server alongside mx1.kor-sys.ru.

IP Addresses

mx1.kor-sys.ru resolves to one IP number: 188.68.189.11.

mx1.kor-sys.ru - robtex.com

mx1.kor-sys.ru

kor-sys.ru