da4u.ru - robtex.com
da4u.ru
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.selectel.ru ⭐ | ||||||
| A | 2a00:ab00:800::53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| PTR | ns1.selectel.org | ||||||
| A | 188.68.203.10🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | ns1.selectel.ru | ||||||
| NS | ns2.selectel.ru | ||||||
| A | 2a00:ab00:801::53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| PTR | ns2.selectel.org | ||||||
| A | 77.223.114.5🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | ns2.selectel.ru | ||||||
| NS | ns3.selectel.ru | ||||||
| A | 2a00:ab00:802::53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| PTR | ns3.selectel.org | ||||||
| A | 188.68.203.5🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | ns3.selectel.ru | ||||||
| NS | ns4.selectel.ru | ||||||
| A | 2a00:ab00:803::53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| PTR | ns4.selectel.org | ||||||
| A | 77.223.114.10🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | ns4.selectel.ru | ||||||
| MX | mail.da4u.ru ⭐ | ||||||
| A | 185.119.59.222🇷🇺 TimeWeb-AS185.119.59.0/24 | ||||||
| PTR | mta.da4u.ru | ||||||
| TXT | v=spf1 ip4:78.24.216.203 ip4:77.246.159.237 include:spf.smtp.bz a mx ~all | ||||||
| TXT | f2b5ca1b9fb105670730c0a42b6fde | ||||||
| SOA | ns1.selectel.rusupport@selectel.ru 2023-06-20 #99 | ||||||
ru
| 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=4068262 | ||||||
Subdomains
Same first word
Similar names
ad4u.org |
uad4.com |
ad4u.pl |
ad4u.in |
d4ua.com |
ad4u.ru |
a4du.com |
u4da.com |
4uad.blogspot.com |
ad4u.com |
4uad.blogspot.fr |
ad4u.jp |
ad4u.co.uk |
ad4u.gr |
4uad.com |
ad4u.cz |
DNS History
12 records (5 active, 7 former)
○NSns1.selectel.org2020-01-08 → 2020-01-08 · 2 obs
○ 2026-03-24 19:54:46
●NSns1.selectel.ru2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 19:54:46
○NSns2.selectel.org2020-01-08 → 2020-01-08 · 2 obs
○ 2026-03-24 19:54:46
●NSns2.selectel.ru2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 19:54:46
○NSns3.selectel.org2020-01-08 → 2020-01-08 · 2 obs
○ 2026-03-24 19:54:46
●NSns3.selectel.ru2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 19:54:46
○NSns4.selectel.org2020-01-08 → 2020-01-08 · 2 obs
○ 2026-03-24 19:54:46
●NSns4.selectel.ru2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 19:54:46
●MXmail.da4u.ru2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 19:54:46
○MXmx65.antispam-post.ru2020-01-08 → 2020-01-08 · 2 obs
○ 2026-03-24 19:54:46
○MXmx72.antispam-post.ru2020-01-08 → 2020-01-08 · 2 obs
○ 2026-03-24 19:54:46
○A78.24.219.992020-01-08 → 2020-01-08 · 2 obs
○ 2026-03-24 19:54:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net... | - |
| da4u.ru | ns1.selectel.ru, ns2.selectel.ru, ns3.selectel.ru, ns4.selectel.ru | 4 records |
✅ Authoritative Response
Server:77.223.114.5
NS records: ns1.selectel.ru, ns2.selectel.ru, ns3.selectel.ru, ns4.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for da4u.ru (unsigned zone)
⏱️ Timing
Total: 921ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns4.selectel.ru, ns1.selectel.ru... |
| MX | 1 | mail.da4u.ru (pri: 10) |
| TXT | 2 | f2b5ca1b9fb105670730c0a42b6fde, v=spf1 ip4:78.24.216.203 ip4:77.246.159. |
| SOA | 1 | ns1.selectel.ru support.selectel.ru |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.selectel.ru, ns2.selectel.ru, ns3.selectel.ru...)
Analysis
Hierarchy
da4u.ru is a parent of mta.da4u.ru and mail.da4u.ru.
Name Servers
da4u.ru is delegated to four name servers: ns1.selectel.ru, ns2.selectel.ru, ns3.selectel.ru and ns4.selectel.ru.
da4u.ru at least partially shares name servers with other domains, for example livemaster.eu, intecpost1.ru, musiclab.ru, italkom.ru and glavny.tv.
these name servers commonly pair with ns1.selectel.org, ns2.selectel.org, ns3.selectel.org and ns4.selectel.org.
Host names with two IP numbers:
ns1.selectel.ru points to: 2a00:ab00:800::53 and 188.68.203.10
ns2.selectel.ru points to: 2a00:ab00:801::53 and 77.223.114.5
ns3.selectel.ru points to: 2a00:ab00:802::53 and 188.68.203.5
ns4.selectel.ru points to: 2a00:ab00:803::53 and 77.223.114.10
Mail Servers
The mail.da4u.ru mail server handles da4u.ru.
mail.da4u.ru points to a single IP number: 185.119.59.222.