`mail.stringquartet.ru`

DNSSEC	⚠️ Not signed
A	31.135.12.167^{🇷🇺 RU-JSCIOT31.135.12.0/23}
		PTR	`isp54.eplanet.host`

`stringquartet.ru`

	DNSSEC	⚠️ Not signed
	A	31.135.12.167^{🇷🇺 RU-JSCIOT31.135.12.0/23}
	NS	`isp54.eplanet.host` ⭐
	NS	`dns1.e-planet.ru` ⚠️ Not in zone NS records
	NS	`dns2.e-planet.ru` ⚠️ Not in zone NS records
	NS	`dns3.e-planet.ru` ⚠️ Not in zone NS records
	NS	`ns1.example.com` ⚠️ Not in parent delegation
	NS	`ns2.example.com` ⚠️ Not in parent delegation
	MX	`mail.stringquartet.ru`⁽²⁰⁾
	TXT	`v=spf1 ip4:31.135.12.167 a mx ~all`
	SOA	`isp54.eplanet.host`root@example.com 2026-03-11 #18

MX for

stringquartet.ru

Same first word

mail.bike

mail.gr

mail.golf

mail.srv.br

mail.dyn-vpn.de

mail.serveminecraft.net

mail.gov.cn

mail.staba.jp

mail.pinoko.jp

mail.in.th

mail.insure

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mail.dnsfor.me

mail.dix.asia

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mail.kikirara.jp

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mail.hr

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mail.pb.gov.br

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mail.eu

mail.(0x7075737379)cat.jp

mail.tm

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mail.co.za

mail.zp.ua

mail.ac.me

mail.info.at

mail.nis.za

mail.ltda

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mail.gov.ua

mail.net.ua

mail.com.au

mail.cat

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lima.fr

liam.fr

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DNS History

3 records (1 active, 2 former)

○A185.60.135.2152026-02-18 → 2026-03-08 · 5 obs

○ 2016-09-19 21:20:42
● 2026-02-18 05:21:58
● 2026-03-08 23:11:42
○ 2026-03-23 03:01:36
○ 2026-08-05 08:24:30

○A188.120.238.992015-01-17 → 2016-09-19 · 4 obs

● 2015-01-17 15:46:20
● 2016-09-19 21:20:42
○ 2026-02-18 05:21:58
○ 2026-08-05 08:24:30

●A31.135.12.1672026-03-23 → 2026-08-05 · 3 obs

○ 2026-03-08 23:11:42
● 2026-03-23 03:01:36
● 2026-08-05 08:24:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	d.dns.ripn.net, c.tld-servers.ru, f.dns.ripn.net, a.dns.ripn.net...	-
stringquartet.ru	dns3.e-planet.ru, dns2.e-planet.ru, dns1.e-planet.ru	3 records

✅ Authoritative Response

Server:77.246.145.1

NS records: dns3.e-planet.ru, dns2.e-planet.ru, dns1.e-planet.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stringquartet.ru (unsigned zone)

⏱️ Timing

Total: 853ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.135.12.167`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (dns3.e-planet.ru, dns2.e-planet.ru, dns1.e-planet.ru)

Analysis

Mail Server Role

The mail server mail.stringquartet.ru processes email for stringquartet.ru.

IP Addresses

mail.stringquartet.ru resolves to just one IP address, 31.135.12.167.

Two other host names, along with dap.khv.ru, oldmarka.ru and mail.fishgo.ru, also share IP numbers with mail.stringquartet.ru.

mail.stringquartet.ru - dns.ninja