1ra.su - robtex.com
1ra.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.108.80.121🇷🇺 MAJORDOMO78.108.80.0/24 Majordomo network | ||||||
| PTR | web19.majordomo.ru | ||||||
| NS | ns1.mastername.ru ⭐ | ||||||
| A | 2a00:15f8:a000:33:1:1:1:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns1.mastername.ru | ||||||
| A | 90.156.136.115🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns1.mastername.ru | ||||||
| NS | ns2.mastername.ru | ||||||
| A | 2a00:15f8:a000:34:1:1:1:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns2.mastername.ru | ||||||
| A | 90.156.137.49🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns2.mastername.ru | ||||||
| MX | mx.yandex.net ⭐ | ||||||
| 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 | v=spf1 redirect=_spf.yandex.net | ||||||
| SOA | ns1.mastername.ruhostmaster@mastername.ru serial=1590554190 | ||||||
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650208726 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.mastername.ru2026-03-30 → 2026-04-13 · 2 obs
● 2026-04-13 14:59:24
●NSns2.mastername.ru2026-03-30 → 2026-04-13 · 2 obs
● 2026-04-13 14:59:24
●MXmx.yandex.net2026-03-30 → 2026-04-13 · 2 obs
● 2026-04-13 14:59:24
●A78.108.80.1212026-03-30 → 2026-04-13 · 2 obs
● 2026-04-13 14:59:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | d.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net, f.dns.ripn.net... | - |
| 1ra.su | ns2.mastername.ru, ns1.mastername.ru | - |
✅ Authoritative Response
Server:90.156.137.49
NS records: ns2.mastername.ru, ns1.mastername.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 1ra.su (unsigned zone)
⏱️ Timing
Total: 1294ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.108.80.121 |
| NS | 2 | ns2.mastername.ru, ns1.mastername.ru |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.yandex.net |
| SOA | 1 | ns1.mastername.ru hostmaster.mastername. |
Analysis
IP Addresses
1ra.su points to a single IP number: 78.108.80.121.
Other host names, for instance nordkraft.ru, moschino-love.ru, www.invetbio.spb.ru, www.dobre.ru and veterinar.ru share IP numbers with 1ra.su.
Name Servers
Delegation for 1ra.su rests with two name servers, ns1.mastername.ru and ns2.mastername.ru.
1ra.su shares the same name server setup as other domains, including business-r.ru, academica.ru, galeeva.com, itdex.ru and screenpaper.ru.
1ra.su at least partially shares name servers with other domains, for instance grplace.ru, belexim.ru, labirintmail.ru, nextweb.ru and lab-serv.ru.
These name servers are commonly used with ns1.labirint.ru and ns2.labirint.ru.
Host names with two IP numbers: ns1.mastername.ru points to 2a00:15f8:a000:33:1:1:1:53 and 90.156.136.115; ns2.mastername.ru points to 2a00:15f8:a000:34:1:1:1:53 and 90.156.137.49.
Mail Servers
1ra.su is handled by a single mail server, mx.yandex.net.
1ra.su uses the same mail server configuration as other domains, such as recordcap.ru, proterm.org, m-learning.ru, injex.ru and www.dreambox-shop.ru.
1ra.su shares mail servers with other domains at least in part, for instance eventbaza.com, timetotrade.ru, erkandursun.com, ldigi.com and eadsbd.com.
mx.yandex.net resolves to two IP numbers: 2a02:6b8::311 and 77.88.21.249.