sdf.su - dns.ninja
sdf.su
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=650210191 | ||||||
Subdomains
mail.sdf.su |
Same first word
Similar names
DNS History
12 records (9 active, 3 former)
●NSns3-l2.nic.ru2026-02-18 → 2026-08-13 · 3 obs
● 2026-02-18 01:41:34
● 2026-08-13 07:19:34
○NSns3.nic.ru2015-07-24 → 2021-06-24 · 4 obs
● 2021-06-24 17:09:38
○ 2026-02-18 01:41:34
○ 2026-08-13 07:19:34
●NSns4-cloud.nic.ru2026-02-18 → 2026-08-13 · 3 obs
● 2026-02-18 01:41:34
● 2026-08-13 07:19:34
●NSns4-l2.nic.ru2026-02-18 → 2026-08-13 · 3 obs
● 2026-02-18 01:41:34
● 2026-08-13 07:19:34
○NSns4.nic.ru2015-07-24 → 2021-06-24 · 4 obs
● 2021-06-24 17:09:38
○ 2026-02-18 01:41:34
○ 2026-08-13 07:19:34
●NSns8-cloud.nic.ru2026-02-18 → 2026-08-13 · 3 obs
● 2026-02-18 01:41:34
● 2026-08-13 07:19:34
●NSns8-l2.nic.ru2026-02-18 → 2026-08-13 · 3 obs
● 2026-02-18 01:41:34
● 2026-08-13 07:19:34
○NSns8.nic.ru2015-07-24 → 2021-06-24 · 4 obs
● 2021-06-24 17:09:38
○ 2026-02-18 01:41:34
○ 2026-08-13 07:19:34
●MXmx01.nicmail.ru2015-07-24 → 2026-08-13 · 2 obs
● 2026-08-13 07:19:34
●MXmx02.nicmail.ru2015-07-24 → 2026-08-13 · 2 obs
● 2026-08-13 07:19:34
●MXmx03.nicmail.ru2015-07-24 → 2026-08-13 · 2 obs
● 2026-08-13 07:19:34
●A188.124.55.1612026-02-18 → 2026-08-13 · 2 obs
● 2026-08-13 07:19:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net... | - |
| sdf.su | ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns8-l2.nic.ru... | - |
✅ Authoritative Response
Server:91.217.20.20
NS records: ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns8-l2.nic.ru, ns8-cloud.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdf.su (unsigned zone)
⏱️ Timing
Total: 1186ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.124.55.161 |
| NS | 5 | ns3-l2.nic.ru, ns4-l2.nic.ru... |
| MX | 3 | mx02.nicmail.ru (pri: 5), mx01.nicmail.ru (pri: 10)... |
| TXT | 1 | v=spf1 redirect=nicmail.ru |
| SOA | 1 | ns3-l2.nic.ru dns.nic.ru |
Analysis
Hierarchy
sdf.su is the parent zone for mail.sdf.su.
IP Addresses
sdf.su resolves to one IP address: 188.124.55.161.
mv-tver.ru, vamper.ru, parfum-tver.ru and two other host names share IP numbers with sdf.su.
Name Servers
sdf.su has five name servers, which are ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru and two others.
sdf.su partially shares its NS delegation with several other domains, including rusaudit.org, rustest.ru, edx.ru and two others.
These name servers regularly co-occur with the name servers ns8-l2.nic.ru, ns8-cloud.nic.ru and ns3.nic.ru.
Hostnames that resolve to 6 IP addresses:
ns4-cloud.nic.ru resolves to 89.104.93.30, 89.104.93.33 and 89.104.93.34 among others, with 3 other IP addresses in total.
ns8-cloud.nic.ru resolves to 89.104.93.31, 89.104.93.35 and 89.104.93.36 among others, with 3 other IP addresses in total.
Hosts with just one IP address:
The hostname ns3-l2.nic.ru resolves to 193.232.146.1.
The hostname ns4-l2.nic.ru resolves to 91.217.20.20.
The hostname ns8-l2.nic.ru resolves to 91.217.21.20.
Mail Servers
sdf.su uses three mail servers — mx01.nicmail.ru, mx02.nicmail.ru and mx03.nicmail.ru.
sdf.su has at least partial mail server overlap with other domains such as vkmed.ru, ss-oboi.ru, conit.ru and two more.
Hosts that point to four IP numbers:
mx01.nicmail.ru maps to the following IP addresses: 91.189.116.13, 91.189.116.14, 91.189.116.15 and 91.189.116.16.
mx02.nicmail.ru maps to the following IP addresses: 91.189.116.13, 91.189.116.14, 91.189.116.15 and 91.189.116.16.
Hosts with just one IP address:
The hostname mx03.nicmail.ru resolves to 91.189.116.16.
mx01.nicmail.ru along with mx02.nicmail.ru each resolve to 91.189.116.13 IP addresses.
mx01.nicmail.ru along with mx02.nicmail.ru each resolve to 91.189.116.14 IP addresses.
mx01.nicmail.ru along with mx02.nicmail.ru each resolve to 91.189.116.15 IP addresses.
The host names mx01.nicmail.ru, mx02.nicmail.ru and mx03.nicmail.ru each resolve to 91.189.116.16.