kostova.ru - robtex.com
kostova.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:9c4c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:28bb🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.40.187Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.156.76🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | aron.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a45🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aron.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c045🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | aron.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2045🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | aron.ns.cloudflare.com | ||||||
| A | 108.162.192.69🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aron.ns.cloudflare.com | ||||||
| A | 172.64.32.69🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aron.ns.cloudflare.com | ||||||
| A | 173.245.58.69🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aron.ns.cloudflare.com | ||||||
| NS | oswald.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bda🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21da🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 108.162.193.218🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 172.64.33.218🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 173.245.59.218🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| MX | mx.getcourse.ru ⭐ | ||||||
| A | 212.41.14.129🇷🇺 SELECTEL212.41.14.0/23 Selectel Route Object | ||||||
| TXT | _globalsign-domain-verification=MIhsSTOhrivvpdOauGuOIhlRwCABqWGc-WK9h2oOY0 | ||||||
| TXT | mailru-verification: cee9f67069c0fa4d | ||||||
| TXT | v=spf1 include:133a8307a8663c3e31abd680aee9bacd.gca.to ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.40.187, 172.67.156.76 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:9c4c, 2606:4700:3034::6815:28bb | ||||||
| SOA | aron.ns.cloudflare.comdns@cloudflare.com serial=2402786774 | ||||||
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=4068886 | ||||||
Same first word
Similar names
vostoka.ru |
sotkova.com |
sotkova.ru |
sotkova.cz |
sokavto.ru |
sovtoka.com |
askotov.ru |
kovosta.cz |
avtokos.ru |
sotovka.ru |
DNS History
7 records (7 active, 0 former)
●NSaron.ns.cloudflare.com2026-04-03 → 2026-05-15 · 2 obs
● 2026-05-15 04:23:20
●NSoswald.ns.cloudflare.com2026-04-03 → 2026-05-15 · 2 obs
● 2026-05-15 04:23:20
●MXmx.getcourse.ru2026-04-03 → 2026-05-15 · 2 obs
● 2026-05-15 04:23:20
●A104.21.40.1872026-04-03 → 2026-05-15 · 2 obs
● 2026-05-15 04:23:20
●A172.67.156.762026-04-03 → 2026-05-15 · 2 obs
● 2026-05-15 04:23:20
●A2606:4700:3031::ac43:9c4c2026-04-03 → 2026-05-15 · 2 obs
● 2026-05-15 04:23:20
●A2606:4700:3034::6815:28bb2026-04-03 → 2026-05-15 · 2 obs
● 2026-05-15 04:23:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| kostova.ru | aron.ns.cloudflare.com, oswald.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.218
NS records: aron.ns.cloudflare.com, oswald.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kostova.ru (unsigned zone)
⏱️ Timing
Total: 725ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.40.187, 172.67.156.76 |
| AAAA | 2 | 2606:4700:3034::6815:28bb, 2606:4700:3031::ac43:9c4c |
| NS | 2 | aron.ns.cloudflare.com, oswald.ns.cloudflare.com |
| MX | 1 | mx.getcourse.ru (pri: 10) |
| TXT | 3 | _globalsign-domain-verification=MIhsSTOh, mailru-verification: cee9f67069c0fa4d... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | aron.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
kostova.ru resolves to four IP numbers: 2606:4700:3031::ac43:9c4c, 2606:4700:3034::6815:28bb, 104.21.40.187 and 172.67.156.76.
Other host names such as euraxess.org.mt, gazetasport.info, culinaryginger.com, geburtstagswuensche.ws and www.vervetmarl.life share IPs with kostova.ru.
Name Servers
kostova.ru is delegated to two name servers: aron.ns.cloudflare.com and oswald.ns.cloudflare.com.
kostova.ru shares the same name server setup as marketingpme.fr, fornes-bat.fr, kltp.fr, moop-communication.com and weedoo.digital.
kostova.ru at least partially shares name servers with other domains, for instance stickyzooworld.com, dieselparkwest.com, bestdrivinggames.com, pantheon.net and beryl-davis.com.
These name servers are commonly used together with jake.ns.cloudflare.com, susan.ns.cloudflare.com and lex.ns.cloudflare.com.
Host names with six IP numbers:
aron.ns.cloudflare.com points to 2606:4700:50::adf5:3a45, 2803:f800:50::6ca2:c045, 2a06:98c1:50::ac40:2045, 108.162.192.69, 172.64.32.69 and 173.245.58.69.
oswald.ns.cloudflare.com points to 2606:4700:58::adf5:3bda, 2803:f800:50::6ca2:c1da, 2a06:98c1:50::ac40:21da, 108.162.193.218, 172.64.33.218 and 173.245.59.218.
Mail Servers
kostova.ru is handled by a single mail server, mx.getcourse.ru.
The mail server setup for kostova.ru matches that of other domains, for instance idrops.ru, elinaschool.com, yasdam.getcourse.ru, mailout.getcourse.ru and neuromachina.ru.
kostova.ru shares at least partially some mail servers with other domains, including azforus.com, myenglishbaby.ru, english30.ru, gadanietaro-lykova.ru and michaelgorin.com.
these mail servers are commonly used together with mx.yandex.net.
mx.getcourse.ru points to a single IP: 212.41.14.129.