mail.quadrosystems.org - robtex.com
mail.quadrosystems.org
| CNAME | domain.mail.yandex.net | ||||||
| CNAME | mail.yandex.ru | ||||||
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 2a02:6b8::a4๐ท๐บ TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | mail-yandex-ru-production-external.stable.qloud-b.yandex.net | ||||||
| A | 77.88.21.37๐ท๐บ TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| NS | ns3.yandex.ru โญ | ||||||
| A | 2a02:6b8::1001๐ท๐บ TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | ns3.yandex.ru | ||||||
| A | 87.250.250.1๐ท๐บ TELETECH87.250.224.0/19 Yandex network | ||||||
| PTR | ns3.yandex.ru | ||||||
| NS | ns4.yandex.ru | ||||||
| A | 2a02:6b8:0:1::1:1๐ท๐บ TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | ns4.yandex.ru | ||||||
| A | 77.88.21.1๐ท๐บ TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| PTR | ns4.yandex.ru | ||||||
| MX | mx.yandex.ru โญ | ||||||
| A | 2a02:6b8::311๐ท๐บ TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| A | 77.88.21.249๐ท๐บ TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| TXT | yandex-verification: bee56b4396205cc2 | ||||||
| TXT | google-site-verification=nDqpeshiROB8mM_RiyqO01xkpebe6eiweTxpX6vx8lk | ||||||
| TXT | mailru-verification: de5e58bac797a76d | ||||||
| TXT | v=spf1 redirect=_spf.yandex.net | ||||||
| SOA | ns3.yandex.rusysadmin@yandex.ru serial=1774613397 | ||||||
quadrosystems.org
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 77.79.188.208๐ท๐บ UBN-AS77.79.188.0/22 JSC "Ufanet", Ufa, Russia | ||||||
| NS | ns1.reg.ru โญ | ||||||
| NS | ns2.reg.ru | ||||||
| MX | mx.yandex.net โญ | ||||||
| TXT | v=spf1 redirect=_spf.yandex.net | ||||||
| SOA | ns1.reg.ruhostmaster@ns1.reg.ru serial=1762408840 | ||||||
PTR for
Previously MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
โA77.79.163.2272015-05-27 โ 2016-09-22 ยท 4 obs
โ 2016-09-22 06:37:56
โ 2026-03-27 12:09:56
โ 2026-03-27 12:09:58
โCNAMEdomain.mail.yandex.net2026-03-27 โ 2026-03-27 ยท 2 obs
โ 2026-03-27 12:09:58
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| quadrosystems.org | ns1.reg.ru, ns2.reg.ru | - |
โ Authoritative Response
Server:176.99.13.12
NS records: ns1.reg.ru, ns2.reg.ru
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for quadrosystems.org (unsigned zone)
โฑ๏ธ Timing
Total: 756ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | domain.mail.yandex.net |
Analysis
IP Addresses
mail.quadrosystems.org points to two IP numbers: 2a02:6b8::a4 and 77.88.21.37.
Other host names, for instance mail.karoohali.com, mail.pntacc.com, vitalco.org, mail.transclass.ru and mail.yandex.ru share IP numbers with mail.quadrosystems.org.
Name Servers
Delegation for mail.quadrosystems.org rests with two name servers, ns3.yandex.ru and ns4.yandex.ru.
mail.quadrosystems.org shares the same name server setup as other domains, including foodfox.ru, screens.yandex.ru, partner.yandex.by, yabrowser24.com and 164.108.95.in-addr.arpa.
mail.quadrosystems.org shares name servers with other domains at least partially, for example zombie.yandex.net.
Host names with two IP numbers: ns3.yandex.ru points to 2a02:6b8::1001 and 87.250.250.1; ns4.yandex.ru points to 2a02:6b8:0:1::1:1 and 77.88.21.1.
Mail Servers
mail.quadrosystems.org is handled by a single mail server, mx.yandex.ru.
mail.quadrosystems.org uses the same mail server configuration as other domains, such as xn--80aaglx8au5a.xn--p1ai, ivahin.ru, novostroy-c.ru, copymaster74.ru and 7555.ru.
mail.quadrosystems.org shares at least some mail servers with other domains, for instance ezhotel.vn, ets2-download-mods.com, estateline.ru and ortmen.ru.
These mail servers are often used together with the mail servers mx.yandex.net.
mx.yandex.ru resolves to two IP numbers: 2a02:6b8::311 and 77.88.21.249.