polytech.ru - dns.ninja
polytech.ru
| 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 | eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJEb21haW5TaG9wIiwic3ViIjoiNTU1... | ||||||
| TXT | v=DMARC1; p=reject; pct=100; sp=reject; adkim=s; aspf=s; fo=1; | ||||||
| TXT | v=spf1 ip4:127.0.0.1 -all | ||||||
| SOA | dns.ru-tld.rusupport@ru-tld.ru 2014-03-22 #28 | ||||||
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=4069833 | ||||||
Subdomains
mail.polytech.ru |
Same first word
Similar names
plyotech.com |
ploytech.com |
ploytech.cn |
techpoly.com |
ploytech.click |
techpoly.co.jp |
techploy.com |
pylotech.com |
phytocel.com |
techoply.com |
DNS History
10 records (5 active, 5 former)
●NSdns.ru-tld.ru2026-06-14 → 2026-08-02 · 7 obs
● 2026-06-14 21:14:32
○ 2026-06-15 03:19:14
● 2026-07-02 09:38:02
○ 2026-07-18 14:56:16
● 2026-07-18 20:02:32
● 2026-08-02 00:37:32
●NSdns1.ru-tld.ru2026-06-14 → 2026-08-02 · 3 obs
● 2026-06-14 21:14:32
● 2026-08-02 00:37:32
●NSdns2.ru-tld.ru2026-06-14 → 2026-08-02 · 3 obs
● 2026-06-14 21:14:32
● 2026-08-02 00:37:32
○NSns1.firstvds.ru2018-10-16 → 2018-10-16 · 3 obs
○ 2026-06-14 21:14:32
○ 2026-08-02 00:37:32
○NSns2.firstvds.ru2018-10-16 → 2018-10-16 · 3 obs
○ 2026-06-14 21:14:32
○ 2026-08-02 00:37:32
○NSsonicnation.fvds.ru2018-10-16 → 2018-10-16 · 3 obs
○ 2026-06-14 21:14:32
○ 2026-08-02 00:37:32
○MXmail.polytech.ru2018-10-16 → 2018-10-16 · 3 obs
○ 2026-06-14 21:14:32
○ 2026-08-02 00:37:32
●A176.31.179.1912026-06-14 → 2026-08-02 · 7 obs
● 2026-06-14 21:14:32
○ 2026-06-15 03:19:14
● 2026-07-02 09:38:02
○ 2026-07-18 14:56:16
● 2026-07-18 20:02:32
● 2026-08-02 00:37:32
●A37.187.83.722026-06-14 → 2026-08-02 · 7 obs
● 2026-06-14 21:14:32
○ 2026-06-15 03:19:14
● 2026-07-02 09:38:02
○ 2026-07-18 14:56:16
● 2026-07-18 20:02:32
● 2026-08-02 00:37:32
○A62.109.30.52018-10-16 → 2018-10-16 · 3 obs
○ 2026-06-14 21:14:32
○ 2026-08-02 00:37:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| polytech.ru | dns1.ru-tld.ru, dns2.ru-tld.ru | - |
✅ Authoritative Response
Server:176.31.179.191
NS records: dns1.ru-tld.ru, dns2.ru-tld.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polytech.ru (unsigned zone)
⏱️ Timing
Total: 805ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 37.187.83.72, 176.31.179.191 |
| NS | 2 | dns2.ru-tld.ru, dns1.ru-tld.ru |
| TXT | 3 | eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ, v=DMARC1; p=reject; pct=100; sp=reject; ... |
| SOA | 1 | dns.ru-tld.ru support.ru-tld.ru |
Analysis
Hierarchy
The domain mail.polytech.ru falls under the parent polytech.ru.
IP Addresses
polytech.ru has two IP addresses: 37.187.83.72 and 176.31.179.191
Among the host names that share IP numbers with polytech.ru are 64.156.dobroe.ru, virtual.hosted.ru, siena.ru and two others.
Name Servers
polytech.ru has three name servers — dns1.ru-tld.ru, dns2.ru-tld.ru and dns.ru-tld.ru.
At least some of polytech.ru's name servers are shared with other domains, for example sys24-151.3fn.net, broadband-71-170.clients.extel.ru, ns.su and two more.
It is common for these name servers to be used in conjunction with the name servers dns1.ru-ltd.ru, dns2.ru-ltd.ru and parking.ru-tld.ru.
Each of the three hostnames points to exactly one IP address: dns1.ru-tld.ru points to 37.187.83.72, dns2.ru-tld.ru points to 176.31.179.191 and dns.ru-tld.ru points to 185.108.84.20.