o4.su - dns.ninja
o4.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.187.83.72🇫🇷 OVH37.187.0.0/16 | ||||||
| PTR | dns1.ru-tld.ru | ||||||
| A | 176.31.179.191🇫🇷 OVH176.31.0.0/16 ISP Paris, France | ||||||
| NS | dns1.ru-tld.ru ⭐ | ||||||
| A | 37.187.83.72🇫🇷 OVH37.187.0.0/16 | ||||||
| PTR | dns1.ru-tld.ru | ||||||
| NS | dns.ru-tld.ru | ||||||
| A | 185.108.84.20🇺🇸 LEASEWEB-NL-AMS-01185.108.84.0/23 MTND | ||||||
| PTR | dns.ru-tld.ru | ||||||
| NS | dns2.ru-tld.ru | ||||||
| A | 176.31.179.191🇫🇷 OVH176.31.0.0/16 ISP Paris, France | ||||||
| PTR | dns2.ru-tld.ru | ||||||
| TXT | v=spf1 ip4:127.0.0.1 -all | ||||||
| TXT | v=DMARC1; p=reject; pct=100; sp=reject; adkim=s; aspf=s; fo=1; | ||||||
| TXT | eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJEb21haW5TaG9wIiwic3ViIjoiNTU1... | ||||||
| SOA | dns.ru-tld.rusupport@ru-tld.ru 2014-03-22 #28 | ||||||
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=650209947 | ||||||
Same first word
o4.eu |
o4.ru |
o4.nl |
o4.cn |
o4.fi |
o4.com.br |
o4.se |
o4.com.au |
o4.be |
o4.hu |
o4.company |
o4.network |
o4.no |
o4.de |
o4.org |
o4.pl |
o4.com |
o4.dk |
o4.ro |
o4.su |
o4.cz |
Similar names
4o.cz |
4o.no |
4o.nl |
4o.pl |
4o.com |
4o.ai |
4o.be |
4o.dk |
4o.se |
4o.com.br |
4o.hu |
4o.vc |
4o.com.cn |
4o.net |
4o.fr |
4o.ru |
4o.pw |
4o.su |
4o.cc |
DNS History
9 records (5 active, 4 former)
●NSdns.ru-tld.ru2026-04-13 → 2026-07-24 · 3 obs
● 2026-04-13 17:16:56
● 2026-07-24 01:27:06
●NSdns1.ru-tld.ru2026-04-13 → 2026-07-24 · 3 obs
● 2026-04-13 17:16:56
● 2026-07-24 01:27:06
●NSdns2.ru-tld.ru2026-04-13 → 2026-07-24 · 3 obs
● 2026-04-13 17:16:56
● 2026-07-24 01:27:06
○NSns1.namehunter.ru2015-10-21 → 2016-12-02 · 4 obs
● 2016-12-02 11:00:40
○ 2026-04-13 17:16:56
○ 2026-07-24 01:27:06
○NSns2.namehunter.ru2015-10-21 → 2016-12-02 · 4 obs
● 2016-12-02 11:00:40
○ 2026-04-13 17:16:56
○ 2026-07-24 01:27:06
●A176.31.179.1912026-04-13 → 2026-07-24 · 3 obs
● 2026-04-13 17:16:56
● 2026-07-24 01:27:06
○A185.5.251.912015-10-21 → 2016-12-02 · 4 obs
● 2016-12-02 11:00:40
○ 2018-10-23 18:27:42
○ 2026-07-24 01:27:06
○A31.31.205.1632018-10-23 → 2018-10-23 · 4 obs
● 2018-10-23 18:27:42
○ 2026-04-13 17:16:56
○ 2026-07-24 01:27:06
●A37.187.83.722026-04-13 → 2026-07-24 · 3 obs
● 2026-04-13 17:16:56
● 2026-07-24 01:27:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | f.dns.ripn.net, a.dns.ripn.net, e.dns.ripn.net, b.dns.ripn.net... | - |
| o4.su | dns1.ru-tld.ru, dns2.ru-tld.ru | - |
✅ Authoritative Response
Server:37.187.83.72
NS records: dns1.ru-tld.ru, dns2.ru-tld.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for o4.su (unsigned zone)
⏱️ Timing
Total: 1105ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 176.31.179.191, 37.187.83.72 |
| NS | 2 | dns2.ru-tld.ru, dns1.ru-tld.ru |
| TXT | 3 | v=DMARC1; p=reject; pct=100; sp=reject; , v=spf1 ip4:127.0.0.1 -all... |
| SOA | 1 | dns.ru-tld.ru support.ru-tld.ru |
Analysis
IP Addresses
o4.su resolves to the IP addresses 37.187.83.72 and 176.31.179.191
hostmaster.fpf.ru, fotoq.ru, www.venofer.ru and two other host names share IP numbers with o4.su.
Name Servers
o4.su is served by three name servers: dns1.ru-tld.ru, dns2.ru-tld.ru and dns.ru-tld.ru.
o4.su partially shares its NS delegation with several other domains, including 255.153.194.193.in-addr.arpa, online39.ru, mail.wireless.ru and two others.
These name servers regularly co-occur with the name servers parking.ru-tld.ru, dns1.ru-ltd.ru and dns2.ru-ltd.ru.
dns1.ru-tld.ru has IP address 37.187.83.72, dns2.ru-tld.ru has IP address 176.31.179.191 and dns.ru-tld.ru has IP address 185.108.84.20 — one address each.