stdev.pro - dns.ninja
stdev.pro
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.digitalocean.com ⭐ | ||||||
| A | 2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| A | 172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| NS | ns2.digitalocean.com | ||||||
| A | 2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| A | 172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| NS | ns3.digitalocean.com | ||||||
| A | 2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| A | 172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| MX | mx.yandex.ru ⭐ | ||||||
| A | 2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| A | 77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| TXT | google-site-verification=otJZE1mSZ4bEoGQUqvH16S3Oevyv4SCUKvdloofLfHk | ||||||
| TXT | v=spf1 redirect=_spf.yandex.ru | ||||||
| SOA | ns1.digitalocean.comhostmaster@stdev.pro serial=0 | ||||||
pro
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.pro.afilias-nst.info ⭐ | ||||||
| NS | a2.pro.afilias-nst.info | ||||||
| NS | b0.pro.afilias-nst.org | ||||||
| NS | b2.pro.afilias-nst.org | ||||||
| NS | c0.pro.afilias-nst.info | ||||||
| NS | d0.pro.afilias-nst.org | ||||||
| SOA | a0.pro.afilias-nst.infohostmaster@donuts.email serial=1785065873 | ||||||
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
○NSdns1.yandex.net2016-12-10 → 2017-12-27 · 4 obs
● 2017-12-27 03:29:56
○ 2026-03-05 00:49:16
○ 2026-07-26 11:55:46
○NSdns2.yandex.net2016-12-10 → 2017-12-27 · 4 obs
● 2017-12-27 03:29:56
○ 2026-03-05 00:49:16
○ 2026-07-26 11:55:46
●NSns1.digitalocean.com2026-03-05 → 2026-07-26 · 3 obs
● 2026-03-05 00:49:16
● 2026-07-26 11:55:46
●NSns2.digitalocean.com2026-03-05 → 2026-07-26 · 3 obs
● 2026-03-05 00:49:16
● 2026-07-26 11:55:46
●NSns3.digitalocean.com2026-03-05 → 2026-07-26 · 3 obs
● 2026-03-05 00:49:16
● 2026-07-26 11:55:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pro | a0.pro.afilias-nst.info, d0.pro.afilias-nst.org, b2.pro.afilias-nst.org, b0.pro.afilias-nst.org... | - |
| stdev.pro | ns3.digitalocean.com, ns2.digitalocean.com, ns1.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.49.209
NS records: ns3.digitalocean.com, ns2.digitalocean.com, ns1.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stdev.pro (unsigned zone)
⏱️ Timing
Total: 360ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns3.digitalocean.com, ns1.digitalocean.com... |
| MX | 1 | mx.yandex.ru (pri: 10) |
| TXT | 2 | v=spf1 redirect=_spf.yandex.ru, google-site-verification=otJZE1mSZ4bEoGQ |
| SOA | 1 | ns1.digitalocean.com hostmaster.stdev.pr |
Analysis
Name Servers
stdev.pro has three name servers — ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
stdev.pro has at least partial name server overlap with other domains, such as davieboy.net, uniflow.be, castoola.tv and two others.
Each of ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com points to two IP numbers. ns1.digitalocean.com points to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com points to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com points to 172.64.49.209 and 2606:4700:52::ac40:31d1.
Mail Servers
Mail for stdev.pro is handled by a single mail server, mx.yandex.ru.
stdev.pro uses an identical mail server configuration to several other domains — among them selbus.ru, profiadmin.ru, 2802.ru and two more.
The mail servers of stdev.pro overlap at least partially with those of other domains, including piligrimiya.ru, ideaplus.pro and tecsound.biz.
This set of mail servers commonly appears together with the mail servers mx.yandex.net.
mx.yandex.ru has two IP addresses: 77.88.21.249 and 2a02:6b8::311.