`mail.bth.su`

CNAME	`domain.mail.yandex.net`
CNAME	`mail.yandex.ru`
DNSSEC	⚠️ Not signed
A	2a02:6b8::a4^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
		PTR	`mail-yandex-ru-production-external.stable.qloud-b.yandex.net`
A	77.88.21.37^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
NS	`ns3.yandex.ru` ⭐
		A	2a02:6b8::1001^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`ns3.yandex.ru`
		A	87.250.250.1^{🇷🇺 TELETECH87.250.224.0/19 Yandex network}
			PTR	`ns3.yandex.ru`
NS	`ns4.yandex.ru`
		A	2a02:6b8:0:1::1:1^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`ns4.yandex.ru`
		A	77.88.21.1^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`ns4.yandex.ru`
MX	`mx.yandex.ru` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`mailru-verification: de5e58bac797a76d`
TXT	`v=spf1 redirect=_spf.yandex.net`
TXT	`yandex-verification: bee56b4396205cc2`
TXT	`google-site-verification=nDqpeshiROB8mM_RiyqO01xkpebe6eiweTxpX6vx8lk`
SOA	`ns3.yandex.ru`sysadmin@yandex.ru serial=1786470548

`bth.su`

	DNSSEC	⚠️ Not signed
	A	185.215.4.55^{🇷🇺 DDOS-GUARD185.215.4.0/24 Tilda Publishing LLC}
	NS	`ns1.bth.su` ⭐
	NS	`ns2.bth.su`
	MX	`emx.mail.ru` ⭐
	TXT	`mailru-domain: 1HViXM6XSCbbGZ8r`
	TXT	`v=spf1 ip4:195.2.240.6 include:_spf.mail.ru all`
	SOA	`ns1.bth.su`hostmaster@ns1.bth.su 2026-06-23 #0

Previously MX for

bth.su

Same first word

mail.virtualuser.de

mail.charity

mail.exchange

mail.live

mail.lk3.ru

mail.capital

mail.ap.gov.br

mail.dp.ua

mail.myjino.ru

mail.space

mail.net.ph

mail.rr.gov.br

mail.read-books.org

mail.ilovecollege.info

mail.gmx

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mail.community

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mail.site

mail.select

mail.email

mail.blue

mail.st

mail.tools

mail.sy

mail.li

mail.rw

mail.vision

mail.sk

mail.at

mail.surf

mail.gov.ge

mail.dating

mail.travel

mail.td

mail.nr

mail.nrw

mail.xyz

mail.loginto.me

mail.bio

mail.dk

mail.main.jp

mail.graphics

mail.lc

mail.city

mail.yt

mail.watch

mail.lomo.jp

mail.lu

mail.tel

mail.ws

mail.holiday

mail.zombie.jp

mail.ma

mail.mr

mail.gov.af

mail.hashbang.sh

mail.mil.ru

mail.schwarz

mail.co.uk

mail.net.mk

mail.rj.gov.br

mail.freedesktop.org

mail.direct

mail.yandex

mail.sh.cn

mail.vacations

mail.my

mail.gov.mz

mail.gov.ph

mail.veterinaire.fr

mail.ee

mail.yokohama

mail.mu

mail.nflfan.org

mail.bayern

mail.dnsalias.com

mail.com.tr

mail.ai

mail.org.ru

mail.vpndns.net

mail.re

mail.credit

mail.pl

mail.co.com

mail.perspecta.cloud

mail.ac.id

mail.rs

mail.nu

mail.barcelona

mail.codes

mail.ddns.net

mail.qualifioapp.com

mail.photography

mail.net.au

mail.storage

mail.energy

mail.mods.jp

mail.taxi

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	b.dns.ripn.net, a.dns.ripn.net, f.dns.ripn.net, e.dns.ripn.net...	12 records
bth.su	ns1.bth.su, ns2.bth.su	2 records

✅ Authoritative Response

Server:195.2.240.2

NS records: ns1.bth.su, ns2.bth.su

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bth.su (unsigned zone)

⏱️ Timing

Total: 1453ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`domain.mail.yandex.net`

📌 Glue Records Collected

Total: 14

In-bailiwick: 2 (ns1.bth.su, ns2.bth.su)

Out-of-bailiwick: 12 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)

Analysis

IP Addresses

mail.bth.su resolves to the IP addresses 77.88.21.37 and 2a02:6b8::a4

Two other host names, along with mail.karoohali.com, mail.pntacc.com and _dc-mx.309749700414.barooc.com, also share IP numbers with mail.bth.su.

Name Servers

mail.bth.su is served by two delegated name servers, ns3.yandex.ru and ns4.yandex.ru.

mail.bth.su shares its NS records with other domains, for example n.yandex.ru, rasp.yandex.net, vertis.yandex.net and two others.

mail.bth.su and other domains like qloud.yandex-team.ru, serp.yandex.by and qloud.yandex.ru share some name servers

Each of the two host names carries two IP addresses: ns3.yandex.ru points to 87.250.250.1 and 2a02:6b8::1001, and ns4.yandex.ru points to 77.88.21.1 and 2a02:6b8:0:1::1:1.

Mail Servers

The sole mail server for mail.bth.su is mx.yandex.ru.

Among the domains sharing a mail server setup with mail.bth.su are svadba-kazan.ru, newarzamas.ru, skrol.ru and two others.

There is at least a partial MX overlap between mail.bth.su and other domains, including triki.ru, nastolki-spb.ru, rosteploizol.ru and two others.

These mail servers often co-occur with the mail servers mx.yandex.net.

The host mx.yandex.ru resolves to 77.88.21.249 and 2a02:6b8::311 — two IP addresses.

mail.bth.su - robtex.com

mail.bth.su

bth.su