isp.su - dns.ninja
isp.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.227.16.19🇷🇺 Eximius-AS91.227.16.0/22 | ||||||
| PTR | mx.lissyara.su | ||||||
| NS | mx.lissyara.su ⭐ | ||||||
| A | 91.227.16.19🇷🇺 Eximius-AS91.227.16.0/22 | ||||||
| PTR | mx.lissyara.su | ||||||
| NS | dns0.host-food.ru | ||||||
| A | 91.227.16.10🇷🇺 Eximius-AS91.227.16.0/22 | ||||||
| PTR | dns0.host-food.ru | ||||||
| NS | dns1.host-food.ru | ||||||
| A | 91.227.18.2🇷🇺 Eximius-AS91.227.16.0/22 | ||||||
| PTR | dns1.host-food.ru | ||||||
| MX | mx.lissyara.su ⭐ | ||||||
| A | 91.227.16.19🇷🇺 Eximius-AS91.227.16.0/22 | ||||||
| PTR | mx.lissyara.su | ||||||
| TXT | v=spf1 ip4:91.227.16.19 a mx ~all | ||||||
| SOA | mx.lissyara.suadmin@lissyara.su 2022-02-18 #21 | ||||||
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=650209347 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSdns0.host-food.ru2015-06-30 → 2026-06-04 · 2 obs
● 2026-06-04 03:19:54
●NSdns1.host-food.ru2015-06-30 → 2026-06-04 · 2 obs
● 2026-06-04 03:19:54
●NSmx.lissyara.su2026-02-20 → 2026-06-04 · 3 obs
● 2026-02-20 05:45:50
● 2026-06-04 03:19:54
○MXmail.example.com2015-06-30 → 2021-02-16 · 4 obs
● 2021-02-16 06:46:36
○ 2026-02-20 05:45:50
○ 2026-06-04 03:19:54
●MXmx.lissyara.su2026-02-20 → 2026-06-04 · 3 obs
● 2026-02-20 05:45:50
● 2026-06-04 03:19:54
●A91.227.16.192026-02-20 → 2026-06-04 · 3 obs
● 2026-02-20 05:45:50
● 2026-06-04 03:19:54
○A91.227.16.562017-08-04 → 2021-02-16 · 5 obs
● 2017-08-04 17:46:10
● 2021-02-16 06:46:36
○ 2026-02-20 05:45:50
○ 2026-06-04 03:19:54
○A91.227.18.112015-06-30 → 2017-05-24 · 4 obs
● 2017-05-24 22:09:42
○ 2017-08-04 17:46:10
○ 2026-06-04 03:19:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net... | 10 records |
| isp.su | dns0.host-food.ru, dns1.host-food.ru | - |
✅ Authoritative Response
Server:91.227.16.10
NS records: dns0.host-food.ru, dns1.host-food.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isp.su (unsigned zone)
⏱️ Timing
Total: 1451ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.227.16.19 |
| NS | 2 | dns1.host-food.ru, dns0.host-food.ru |
| MX | 1 | mx.lissyara.su (pri: 20) |
| TXT | 1 | v=spf1 ip4:91.227.16.19 a mx ~all |
| SOA | 1 | mx.lissyara.su admin.lissyara.su |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
The domain isp.su is a parent of www.isp.su, ns1.isp.su, ns2.isp.su and mail.isp.su.
IP Addresses
isp.su directs to one IP number, which is 91.227.16.19.
Among the host names that share IP numbers with isp.su are mail.isp.su, lissyara.su, www.isp.su and two others.
Name Servers
isp.su carries NS records delegating to dns0.host-food.ru, dns1.host-food.ru and mx.lissyara.su.
At least some of isp.su's name servers are shared with other domains, for example kdk-shop.ru, varst.ru, racetrace.ru and two more.
These name servers are routinely co-deployed with the name servers srv12.host-food.ru, srv21.host-food.ru, srv11.host-food.ru and two others.
dns0.host-food.ru points to 91.227.16.10; dns1.host-food.ru points to 91.227.18.2; mx.lissyara.su points to 91.227.16.19 — each hostname maps to exactly one IP address.
Mail Servers
isp.su routes its mail through a single mail server, mx.lissyara.su.
isp.su and domains like lissyara.su share an identical mail server configuration.