tech-core.ru - dns.ninja
tech-core.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 | v=spf1 ip4:127.0.0.1 -all | ||||||
| TXT | v=DMARC1; p=reject; pct=100; sp=reject; adkim=s; aspf=s; fo=1; | ||||||
| TXT | eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJEb21haW5TaG9wIiwic3ViIjoiNTU1... | ||||||
| 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=4069658 | ||||||
Same first word
tech-core.ru |
tech-core.net |
Similar names
core-tech.sbs |
core-tech.co.uk |
core-tech.eu |
core-tech.ca |
core-tech.com.cn |
core-tech.tw |
core-tech.jp |
core-tech.ru |
reco-tech.at |
core-tech.co.jp |
creo-tech.com |
DNS History
16 records (5 active, 11 former)
●NSdns.ru-tld.ru2026-05-06 → 2026-07-18 · 3 obs
● 2026-05-06 08:25:48
● 2026-07-18 11:02:18
●NSdns1.ru-tld.ru2026-05-06 → 2026-07-18 · 3 obs
● 2026-05-06 08:25:48
● 2026-07-18 11:02:18
●NSdns2.ru-tld.ru2026-05-06 → 2026-07-18 · 3 obs
● 2026-05-06 08:25:48
● 2026-07-18 11:02:18
○NSexpirepages-kiae-1.nic.ru2017-01-12 → 2017-01-12 · 4 obs
● 2017-01-12 07:35:02
○ 2017-06-07 04:01:16
○ 2026-07-18 11:02:18
○NSexpirepages-kiae-2.nic.ru2017-01-12 → 2017-01-12 · 4 obs
● 2017-01-12 07:35:02
○ 2017-06-07 04:01:16
○ 2026-07-18 11:02:18
○NSns3-l2.nic.ru2015-08-27 → 2016-12-19 · 4 obs
● 2016-12-19 12:44:28
○ 2017-01-12 07:35:02
○ 2026-07-18 11:02:18
○NSns4-cloud.nic.ru2015-08-27 → 2016-12-19 · 4 obs
● 2016-12-19 12:44:28
○ 2017-01-12 07:35:02
○ 2026-07-18 11:02:18
○NSns4-l2.nic.ru2015-08-27 → 2016-12-19 · 4 obs
● 2016-12-19 12:44:28
○ 2017-01-12 07:35:02
○ 2026-07-18 11:02:18
○NSns8-cloud.nic.ru2015-08-27 → 2016-12-19 · 4 obs
● 2016-12-19 12:44:28
○ 2017-01-12 07:35:02
○ 2026-07-18 11:02:18
○NSns8-l2.nic.ru2015-08-27 → 2016-12-19 · 4 obs
● 2016-12-19 12:44:28
○ 2017-01-12 07:35:02
○ 2026-07-18 11:02:18
○MXemx.mail.ru2015-08-27 → 2016-12-19 · 4 obs
● 2016-12-19 12:44:28
○ 2017-01-12 07:35:02
○ 2026-07-18 11:02:18
○MXnomail.nic.ru2017-01-12 → 2017-01-12 · 4 obs
● 2017-01-12 07:35:02
○ 2017-06-07 04:01:16
○ 2026-07-18 11:02:18
○A109.70.26.372017-01-12 → 2017-01-12 · 3 obs
○ 2017-06-07 04:01:16
○ 2026-07-18 11:02:18
●A176.31.179.1912026-05-06 → 2026-07-18 · 3 obs
● 2026-05-06 08:25:48
● 2026-07-18 11:02:18
○A194.85.61.762017-01-12 → 2017-01-12 · 3 obs
○ 2017-06-07 04:01:16
○ 2026-07-18 11:02:18
●A37.187.83.722026-05-06 → 2026-07-18 · 3 obs
● 2026-05-06 08:25:48
● 2026-07-18 11:02:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | c.tld-servers.ru, d.dns.ripn.net, a.dns.ripn.net, f.dns.ripn.net... | - |
| tech-core.ru | dns2.ru-tld.ru, dns1.ru-tld.ru | - |
✅ Authoritative Response
Server:37.187.83.72
NS records: dns2.ru-tld.ru, dns1.ru-tld.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tech-core.ru (unsigned zone)
⏱️ Timing
Total: 1072ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 37.187.83.72, 176.31.179.191 |
| NS | 2 | dns1.ru-tld.ru, dns2.ru-tld.ru |
| TXT | 3 | v=DMARC1; p=reject; pct=100; sp=reject; , eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ... |
| SOA | 1 | dns.ru-tld.ru support.ru-tld.ru |
Analysis
IP Addresses
tech-core.ru has two IP addresses: 37.187.83.72 and 176.31.179.191
Among the host names that share IP numbers with tech-core.ru are netnaut.com, ns2.bellhost.ru, 230.dobroe.ru and two others.
Name Servers
tech-core.ru is delegated to three name servers: dns1.ru-tld.ru, dns2.ru-tld.ru and dns.ru-tld.ru.
The name servers of tech-core.ru overlap at least partially with those of other domains — among them www.eltpk.ru, replicon.ru, protons.ru and two more.
These name servers commonly appear in delegations together with dns1.ru-ltd.ru, dns2.ru-ltd.ru, parking.ru-tld.ru and 4 other.
dns1.ru-tld.ru, dns2.ru-tld.ru and dns.ru-tld.ru each resolve to a single IP address: dns1.ru-tld.ru resolves to 37.187.83.72, dns2.ru-tld.ru resolves to 176.31.179.191 and dns.ru-tld.ru resolves to 185.108.84.20.