mathsync.ru - robtex.com
mathsync.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.172.97.245 | ||||||
| NS | ns3-l2.nic.ru ⭐ | ||||||
| NS | ns4-cloud.nic.ru | ||||||
| A | 89.104.93.30 | ||||||
| A | 89.104.93.33 | ||||||
| A | 89.104.93.34 | ||||||
| A | 89.104.95.30 | ||||||
| A | 89.104.95.33 | ||||||
| A | 89.104.95.34 | ||||||
| NS | ns4-l2.nic.ru | ||||||
| A | 91.217.20.20 | ||||||
| NS | ns8-cloud.nic.ru | ||||||
| A | 89.104.93.31 | ||||||
| A | 89.104.93.35 | ||||||
| A | 89.104.93.36 | ||||||
| A | 89.104.95.31 | ||||||
| A | 89.104.95.35 | ||||||
| A | 89.104.95.36 | ||||||
| NS | ns8-l2.nic.ru | ||||||
| A | 91.217.21.20 | ||||||
| MX | emx.mail.ru ⭐ | ||||||
| TXT | v=spf1 redirect=_spf.mail.ru | ||||||
| TXT | mailru-domain: px9LHtSRmrIxMHpo | ||||||
| TXT | _globalsign-domain-verification=DU8PIHuo3oTAAa8d-rTbB4I57o10dlGNkXvKhhl1iW | ||||||
| TXT | _globalsign-domain-verification=l0rfK3YDaiVNLbntuYIhLPfki1dEfwnU6nU1_-FtZx | ||||||
| SOA | ns3-l2.nic.rudns@nic.ru 2024-02-14 #22 | ||||||
ru
| 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=4070967 | ||||||
Same first word
Similar names
DNS History
8 records (7 active, 1 former)
●NSns4-cloud.nic.ru2026-10-04 → 2026-11-04 · 2 obs
● 2026-11-04 05:28:56
●NSns8-cloud.nic.ru2026-10-04 → 2026-11-04 · 2 obs
● 2026-11-04 05:28:56
●MXemx.mail.ru2026-10-04 → 2026-11-04 · 4 obs
○ 2026-10-28 21:03:04
● 2026-10-29 01:36:32
● 2026-11-04 05:28:56
●A109.172.97.2452026-10-12 → 2026-11-04 · 5 obs
● 2026-10-12 00:16:20
○ 2026-10-28 21:03:04
● 2026-10-29 01:36:32
● 2026-11-04 05:28:56
○A158.160.14.52026-10-04 → 2026-10-04 · 3 obs
○ 2026-10-12 00:16:20
○ 2026-11-04 05:28:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net, b.dns.ripn.net... | - |
| mathsync.ru | ns8-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns3-l2.nic.ru... | 19 records |
✅ Authoritative Response
Server:89.104.93.31
NS records: ns8-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns3-l2.nic.ru, ns8-cloud.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathsync.ru (unsigned zone)
⏱️ Timing
Total: 1490ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.172.97.245 |
| NS | 5 | ns3-l2.nic.ru, ns4-l2.nic.ru... |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 4 | v=spf1 redirect=_spf.mail.ru, mailru-domain: px9LHtSRmrIxMHpo... |
| SOA | 1 | ns3-l2.nic.ru dns.nic.ru |
📌 Glue Records Collected
Total: 19
Out-of-bailiwick: 19 (ns8-cloud.nic.ru, ns8-cloud.nic.ru, ns8-cloud.nic.ru...)
Analysis
IP Addresses
mathsync.ru points to a single IP number: 109.172.97.245.
Name Servers
Delegation for mathsync.ru is to five name servers: ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru and two others.
Host names with 6 IP numbers:
The host name ns4-cloud.nic.ru points to: 89.104.93.30, 89.104.93.33, 89.104.93.34 and 3 other.
The host name ns8-cloud.nic.ru points to: 89.104.93.31, 89.104.93.35, 89.104.93.36 and 3 other.
Host names pointing to a single IP address:
ns4-l2.nic.ru has the IP address 91.217.20.20.
ns8-l2.nic.ru has the IP address 91.217.21.20.