prf.su - robtex.com
prf.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.75.0🇷🇺 RAMBLER-TELECOM-AS81.19.64.0/19 Rambler Telecom network | ||||||
| A | 81.19.75.1🇷🇺 RAMBLER-TELECOM-AS81.19.64.0/19 Rambler Telecom network | ||||||
| A | 81.19.75.2🇷🇺 RAMBLER-TELECOM-AS81.19.64.0/19 Rambler Telecom network | ||||||
| NS | nscarp1.rambler.ru ⭐ | ||||||
| A | 81.19.73.180🇷🇺 RAMBLER-TELECOM-AS81.19.64.0/19 Rambler Telecom network | ||||||
| PTR | nscarp1.rambler.ru | ||||||
| NS | ns2.rambler.ru | ||||||
| A | 2a02:6b0:6:2::1:53🇷🇺 RAMBLER-TELECOM-AS2a02:6b0::/32 Rambler main ipv6 network | ||||||
| PTR | ns2.rambler.ru | ||||||
| A | 81.19.73.8🇷🇺 RAMBLER-TELECOM-AS81.19.64.0/19 Rambler Telecom network | ||||||
| PTR | ns2.rambler.ru | ||||||
| NS | ns3.rambler.ru | ||||||
| A | 81.19.83.8🇷🇺 RAMBLER-TELECOM-AS81.19.64.0/19 Rambler Telecom network | ||||||
| PTR | ns3.rambler.ru | ||||||
| NS | ns4.rambler.ru | ||||||
| A | 2a02:6b0:6:2::2:53🇷🇺 RAMBLER-TELECOM-AS2a02:6b0::/32 Rambler main ipv6 network | ||||||
| PTR | ns4.rambler.ru | ||||||
| A | 81.19.73.9🇷🇺 RAMBLER-TELECOM-AS81.19.64.0/19 Rambler Telecom network | ||||||
| PTR | ns4.rambler.ru | ||||||
| NS | ns5.rambler.ru | ||||||
| A | 81.19.83.9🇷🇺 RAMBLER-TELECOM-AS81.19.64.0/19 Rambler Telecom network | ||||||
| PTR | ns5.rambler.ru | ||||||
| SOA | nscarp1.rambler.rudns@rambler-co.ru 2026-07-03 #0 | ||||||
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=650209841 | ||||||
Same first word
Similar names
DNS History
15 records (8 active, 7 former)
○NSns1.r01.ru2015-07-10 → 2015-11-23 · 4 obs
● 2015-11-23 08:40:58
○ 2015-12-29 05:41:48
○ 2026-07-15 07:22:08
○NSns2.r01.ru2015-07-10 → 2015-11-23 · 4 obs
● 2015-11-23 08:40:58
○ 2015-12-29 05:41:48
○ 2026-07-15 07:22:08
●NSns2.rambler.ru2026-06-24 → 2026-07-15 · 3 obs
● 2026-06-24 22:00:12
● 2026-07-15 07:22:08
●NSns3.rambler.ru2026-06-24 → 2026-07-15 · 3 obs
● 2026-06-24 22:00:12
● 2026-07-15 07:22:08
●NSns4.rambler.ru2026-06-24 → 2026-07-15 · 3 obs
● 2026-06-24 22:00:12
● 2026-07-15 07:22:08
●NSns5.rambler.ru2026-06-24 → 2026-07-15 · 3 obs
● 2026-06-24 22:00:12
● 2026-07-15 07:22:08
○NSns91.hostlife.net2016-04-28 → 2016-12-20 · 5 obs
● 2016-04-28 22:01:06
● 2016-12-20 21:24:48
○ 2017-07-25 19:34:06
○ 2026-07-15 07:22:08
○NSns92.hostlife.net2016-04-28 → 2016-12-20 · 5 obs
● 2016-04-28 22:01:06
● 2016-12-20 21:24:48
○ 2017-07-25 19:34:06
○ 2026-07-15 07:22:08
●NSnscarp1.rambler.ru2026-06-24 → 2026-07-15 · 3 obs
● 2026-06-24 22:00:12
● 2026-07-15 07:22:08
○MXmail.prf.su2016-04-28 → 2016-12-20 · 4 obs
● 2016-12-20 21:24:48
○ 2017-07-25 19:34:06
○ 2026-07-15 07:22:08
○A185.60.135.2032016-11-19 → 2016-12-20 · 5 obs
● 2016-11-19 11:38:16
● 2016-12-20 21:24:48
○ 2017-07-25 19:34:06
○ 2026-07-15 07:22:08
●A81.19.75.02026-06-24 → 2026-07-15 · 3 obs
● 2026-06-24 22:00:12
● 2026-07-15 07:22:08
●A81.19.75.12026-06-24 → 2026-07-15 · 3 obs
● 2026-06-24 22:00:12
● 2026-07-15 07:22:08
●A81.19.75.22026-06-24 → 2026-07-15 · 3 obs
● 2026-06-24 22:00:12
● 2026-07-15 07:22:08
○A92.63.111.2062016-04-28 → 2016-08-25 · 4 obs
● 2016-08-25 06:19:34
○ 2016-11-19 11:38:16
○ 2026-07-15 07:22:08
🔍 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 |
| prf.su | ns2.rambler.ru, ns3.rambler.ru, ns4.rambler.ru, ns5.rambler.ru | - |
✅ Authoritative Response
Server:81.19.83.9
NS records: ns2.rambler.ru, ns3.rambler.ru, ns4.rambler.ru, ns5.rambler.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for prf.su (unsigned zone)
⏱️ Timing
Total: 1552ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 81.19.75.1, 81.19.75.2... |
| NS | 4 | ns3.rambler.ru, ns5.rambler.ru... |
| SOA | 1 | nscarp1.rambler.ru dns.rambler-co.ru |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net...)
Analysis
IP Addresses
prf.su resolves to three IP addresses: 81.19.75.0, 81.19.75.1 and 81.19.75.2.
Additional host names — promocode.pfm.live, kent-casino.pfm.live, yam.prfl.me and two others — share IP numbers with prf.su.
Name Servers
Delegation for prf.su is to five name servers: ns2.rambler.ru, ns3.rambler.ru, ns4.rambler.ru and two others.
prf.su shares at least some of its name servers with other domains, including og2016.ru, rmedia.ru, rns.online and two others.
These name servers are frequently paired with the name servers ns5.rambler.ru and nscarp1.rambler.ru.
Host names with two IP numbers:
The A records for ns2.rambler.ru return 81.19.73.8 and 2a02:6b0:6:2::1:53.
The A records for ns4.rambler.ru return 81.19.73.9 and 2a02:6b0:6:2::2:53.
Host names pointing to a single IP address:
ns3.rambler.ru resolves to the IP address 81.19.83.8.
ns5.rambler.ru resolves to the IP address 81.19.83.9.
nscarp1.rambler.ru resolves to the IP address 81.19.73.180.