a-3.su - dns.ninja
a-3.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 77.221.130.54🇷🇺 RUSONYX-AS77.221.130.0/24 | ||||||
| PTR | plesk12.infobox.ru | ||||||
| NS | ns1.rsnx.ru ⭐ | ||||||
| A | 89.253.252.13🇷🇺 RUSONYX-AS89.253.248.0/21 RUSONYX-RU | ||||||
| PTR | ns1.rsnx.ru | ||||||
| NS | ns1.infobox.org | ||||||
| A | 89.253.252.13🇷🇺 RUSONYX-AS89.253.248.0/21 RUSONYX-RU | ||||||
| PTR | ns1.rsnx.ru | ||||||
| NS | ns2.infobox.org | ||||||
| A | 89.253.252.15🇷🇺 RUSONYX-AS89.253.248.0/21 RUSONYX-RU | ||||||
| PTR | ns2.rsnx.ru | ||||||
| NS | ns3.infobox.org | ||||||
| A | 89.253.252.13🇷🇺 RUSONYX-AS89.253.248.0/21 RUSONYX-RU | ||||||
| PTR | ns1.rsnx.ru | ||||||
| NS | ns4.infobox.org | ||||||
| A | 89.253.252.15🇷🇺 RUSONYX-AS89.253.248.0/21 RUSONYX-RU | ||||||
| PTR | ns2.rsnx.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 | ||||||
| SOA | ns1.rsnx.rumail@shadow.spb.ru 2022-04-19 #2 | ||||||
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650210154 | ||||||
Same first word
a-3.it |
a-3.be |
a-3.net |
a-3.at |
a-3.com |
a-3.co.jp |
a-3.com.ua |
a-3.pl |
a-3.kz |
a-3.spb.ru |
a-3.nl |
a-3.ru |
a-3.dk |
a-3.fr |
a-3.ch |
a-3.su |
a-3.cn |
a-3.de |
a-3.co |
Similar names
3-a.com.tr |
3-a.de |
3-a.ru |
3-a.at |
3-a.it |
3-a.ai |
3-a.fr |
3-a.info |
3-a.net |
3-a.ir |
3-a.org |
3-a.co.uk |
3-a.eu |
3-a.ch |
3-a.cn |
3-a.be |
3-a.jp |
3-a.dk |
DNS History
8 records (7 active, 1 former)
●NSns1.infobox.org2015-05-28 → 2026-08-10 · 2 obs
● 2026-08-10 06:13:24
●NSns1.rsnx.ru2026-03-12 → 2026-08-10 · 3 obs
● 2026-03-12 06:30:32
● 2026-08-10 06:13:24
●NSns2.infobox.org2015-05-28 → 2026-08-10 · 2 obs
● 2026-08-10 06:13:24
●NSns3.infobox.org2015-05-28 → 2026-08-10 · 2 obs
● 2026-08-10 06:13:24
●NSns4.infobox.org2015-05-28 → 2026-08-10 · 2 obs
● 2026-08-10 06:13:24
○A77.221.130.282015-05-28 → 2017-01-02 · 4 obs
● 2017-01-02 13:59:20
○ 2026-03-12 06:30:32
○ 2026-08-10 06:13:24
●A77.221.130.542026-03-12 → 2026-08-10 · 3 obs
● 2026-03-12 06:30:32
● 2026-08-10 06:13:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net... | 12 records |
| a-3.su | ns1.infobox.org, ns2.infobox.org, ns3.infobox.org, ns4.infobox.org | - |
✅ Authoritative Response
Server:89.253.252.13
NS records: ns1.infobox.org, ns2.infobox.org, ns3.infobox.org, ns4.infobox.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a-3.su (unsigned zone)
⏱️ Timing
Total: 1254ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.221.130.54 |
| NS | 4 | ns4.infobox.org, ns1.infobox.org... |
| MX | 2 | mx.yandex.ru (pri: 20), mx.yandex.ru (pri: 10) |
| SOA | 1 | ns1.rsnx.ru mail.shadow.spb.ru |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)
Analysis
IP Addresses
a-3.su directs to one IP number, which is 77.221.130.54.
Among the host names that share IP numbers with a-3.su are thorny.ru, lunnyy.ru, www.poeme.ru and two others.
Name Servers
The authoritative name servers for a-3.su are ns1.infobox.org, ns2.infobox.org, ns3.infobox.org and two others.
At least some of a-3.su's name servers are shared with other domains, for example ima-rus.ru, teamagency.ru, xn--c1akglbfbk3jd.xn--p1ai and two more.
These name servers tend to co-occur with ns4.infobox.org, ns1.rsnx.ru, ns2.rsnx.ru and 5 other name servers in the same DNS delegations.
Hosts that resolve to one IP address:
ns1.infobox.org points to the IP address 89.253.252.13.
ns2.infobox.org points to the IP address 89.253.252.15.
ns3.infobox.org points to the IP address 89.253.252.13.
ns4.infobox.org points to the IP address 89.253.252.15.
ns1.rsnx.ru points to the IP address 89.253.252.13.
ns1.infobox.org, ns3.infobox.org and ns1.rsnx.ru all direct to 89.253.252.13.
These two host names — ns2.infobox.org and ns4.infobox.org — each point to 89.253.252.15 IP addresses.
Mail Servers
a-3.su routes its mail through a single mail server, mx.yandex.ru.
a-3.su has the same mail server arrangement as a number of other domains, for example adinpool.ru, markc.ru, taxopoisk.ru and two more.
a-3.su shares at least some of its mail servers with other domains — for example cartin.ru, ledpremium.ru, exclusivegroup.su and two more.
It is common to find these mail servers paired with the mail servers mx.yandex.net.
mx.yandex.ru directs to two IP numbers, 77.88.21.249 and 2a02:6b8::311.