a2b.su - dns.ninja
a2b.su
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=650209592 | ||||||
PTR for
Subdomains
www.a2b.su |
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
○NSdns.fastdns24.com2015-07-15 → 2015-07-15 · 3 obs
○ 2015-11-16 15:36:32
○ 2026-06-24 12:35:52
○NSns1.fastvps.ru2015-07-15 → 2015-07-15 · 3 obs
○ 2015-11-16 15:36:32
○ 2026-06-24 12:35:52
●NSns1.ru.eserver.net2015-11-16 → 2026-06-24 · 3 obs
● 2015-11-16 15:36:32
● 2026-06-24 12:35:52
○NSns2.fastvps.ru2015-07-15 → 2015-07-15 · 3 obs
○ 2015-11-16 15:36:32
○ 2026-06-24 12:35:52
●NSns2.ru.eserver.net2015-11-16 → 2026-06-24 · 3 obs
● 2015-11-16 15:36:32
● 2026-06-24 12:35:52
○NSns3.fastvps.ru2015-07-15 → 2015-07-15 · 3 obs
○ 2015-11-16 15:36:32
○ 2026-06-24 12:35:52
●NSns3.ru.eserver.net2015-11-16 → 2026-06-24 · 3 obs
● 2015-11-16 15:36:32
● 2026-06-24 12:35:52
○NSns4.fastvps.ru2015-07-15 → 2015-07-15 · 3 obs
○ 2015-11-16 15:36:32
○ 2026-06-24 12:35:52
●NSns4.ru.eserver.net2015-11-16 → 2026-06-24 · 3 obs
● 2015-11-16 15:36:32
● 2026-06-24 12:35:52
●MXmx.yandex.net2015-11-16 → 2026-06-24 · 3 obs
● 2015-11-16 15:36:32
● 2026-06-24 12:35:52
○MXmx.yandex.ru2015-07-15 → 2015-07-15 · 3 obs
○ 2015-11-16 15:36:32
○ 2026-06-24 12:35:52
○A5.9.153.822015-07-15 → 2015-07-15 · 3 obs
○ 2015-11-16 15:36:32
○ 2026-06-24 12:35:52
●A91.189.85.1782015-11-16 → 2026-06-24 · 3 obs
● 2015-11-16 15:36:32
● 2026-06-24 12:35:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | 10 records |
| a2b.su | ns4.ru.eserver.net, ns2.ru.eserver.net, ns1.ru.eserver.net, ns3.ru.eserver.net | - |
✅ Authoritative Response
Server:185.48.249.235
NS records: ns4.ru.eserver.net, ns2.ru.eserver.net, ns1.ru.eserver.net, ns3.ru.eserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a2b.su (unsigned zone)
⏱️ Timing
Total: 1326ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.189.85.178 |
| NS | 4 | ns3.ru.eserver.net, ns2.ru.eserver.net... |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 3 | v=spf1 a mx ip4:45.78.2.93 ip6:2607:8700, spf2.0/mfrompra include:senderid.unisend... |
| SOA | 1 | ns1.ru.eserver.net hostmaster.eserver.ru |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
a2b.su serves as the parent of www.a2b.su.
IP Addresses
a2b.su resolves to just one IP address, 91.189.85.178.
mail.xn--2-7sbe.xn--p1ai, xn--2-7sbe.xn--p1ai and www.a2b.su are examples of other host names that share IP numbers with a2b.su.
Name Servers
The NS records for a2b.su point to four name servers: ns1.ru.eserver.net, ns2.ru.eserver.net, ns3.ru.eserver.net and ns4.ru.eserver.net.
a2b.su has at least partial name server overlap with other domains, such as goldenvision.ru, sochihosting.ru, arent.spb.ru and two others.
ns1.eserver-ru.com, ns2.eserver-ru.com and ns3.eserver-ru.com — plus 5 other name servers — are commonly paired with these name servers.
ns1.ru.eserver.net, ns2.ru.eserver.net, ns3.ru.eserver.net and ns4.ru.eserver.net all point to exactly two IP numbers each: ns1.ru.eserver.net → 178.218.218.8 and 2a04:b540:1000::8; ns2.ru.eserver.net → 178.218.222.8 and 2a04:b540:2000::8; ns3.ru.eserver.net → 185.48.248.8 and 2a04:b540::3; ns4.ru.eserver.net → 185.48.249.235 and 2a04:b540::4.
Mail Servers
The sole mail server for a2b.su is mx.yandex.net.
Among the domains sharing a mail server setup with a2b.su are camiinakkas.org, termobox.by, lubrimaster.ru and two others.
There is at least a partial MX overlap between a2b.su and other domains, including persono.ru, adyunlocker.com, www.strekal.ru and two others.
mx.yandex.net has two IP addresses: 77.88.21.249 and 2a02:6b8::311.