derf.tk - dns.ninja
derf.tk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.yandex.net ⭐ | ||||||
| A | 2a02:6b8::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | dns1.yandex.net | ||||||
| A | 213.180.204.213🇷🇺 TELETECH213.180.192.0/19 Yandex network | ||||||
| PTR | dns1.yandex.net | ||||||
| NS | dns2.yandex.net | ||||||
| A | 2a02:6b8:0:1::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | dns2.yandex.net | ||||||
| A | 93.158.134.213🇷🇺 TELETECH93.158.128.0/18 Yandex enterprise network | ||||||
| PTR | dns2.yandex.net | ||||||
| MX | mx.yandex.net ⭐ | ||||||
| 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 | v=spf1 redirect=_spf.yandex.net | ||||||
| SOA | dns1.yandex.netdns-hosting@yandex.ru serial=6 | ||||||
tk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.119.57.22 | ||||||
| NS | a.ns.tk ⭐ | ||||||
| NS | b.ns.tk | ||||||
| NS | c.ns.tk | ||||||
| NS | d.ns.tk | ||||||
| SOA | a.ns.tkjoost\@zuurbier.dot.tk serial=1786857915 | ||||||
Same first word
derf.net |
derf.ch |
derf.fr |
derf.support |
derf.org |
derf.nl |
derf.com |
derf.tk |
derf.us |
derf.eu |
derf.com.ar |
derf.cloud |
derf.com.au |
derf.ru |
derf.co.uk |
derf.cn |
derf.com.br |
derf.ee |
derf.de |
derf.ar |
derf.me |
derf.com.cn |
Similar names
DNS History
6 records (3 active, 3 former)
●NSdns1.yandex.net2017-03-13 → 2026-08-16 · 2 obs
● 2026-08-16 14:31:56
●NSdns2.yandex.net2017-03-13 → 2026-08-16 · 2 obs
● 2026-08-16 14:31:56
○MXmail.b-io.co2016-07-13 → 2016-07-13 · 4 obs
● 2016-07-13 06:38:22
○ 2017-03-13 19:14:54
○ 2026-08-16 14:31:56
○MXmx-host.dot.tk2015-07-12 → 2016-03-02 · 4 obs
● 2016-03-02 05:28:10
○ 2016-07-13 06:38:22
○ 2026-08-16 14:31:56
●MXmx.yandex.net2017-03-13 → 2026-08-16 · 3 obs
● 2017-03-13 19:14:54
● 2026-08-16 14:31:56
○A195.20.44.2022015-07-12 → 2016-07-13 · 4 obs
● 2016-07-13 06:38:22
○ 2017-03-13 19:14:54
○ 2026-08-16 14:31:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tk | b.ns.tk, a.ns.tk, d.ns.tk, c.ns.tk | - |
| derf.tk | dns1.yandex.net, dns2.yandex.net | - |
✅ Authoritative Response
Server:213.180.204.213
NS records: dns1.yandex.net, dns2.yandex.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tk (unsigned zone)
⏱️ Timing
Total: 576ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns2.yandex.net, dns1.yandex.net |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.yandex.net |
| SOA | 1 | dns1.yandex.net dns-hosting.yandex.ru |
Analysis
Name Servers
derf.tk is delegated to two name servers: dns1.yandex.net and dns2.yandex.net.
derf.tk uses the same name servers as several other domains — among them potencial-dveri.ru, turbo-magazin.ru, xn--f1axh.xn--p1ai and two more.
derf.tk shares at least some of its name servers with other domains, including 99f.su, natrasse.ru, bt-test.ru and two others.
These name servers are frequently paired with the name servers dns1.yandex.ru and dns2.yandex.ru.
dns1.yandex.net and dns2.yandex.net each resolve to two IP addresses: dns1.yandex.net points to 213.180.204.213 and 2a02:6b8::213, while dns2.yandex.net points to 93.158.134.213 and 2a02:6b8:0:1::213.
Mail Servers
Mail for derf.tk is handled by a single mail server, mx.yandex.net.
derf.tk uses an identical mail server configuration to several other domains — among them litvl.ru, guzelcemakina.com, pozitifsigorta.com and two more.
derf.tk has at least some mail servers in common with other domains, such as ermano.ru, divanprorok.ru, crmcons.ru and help-point.net.
mx.yandex.net points to two IP addresses: 77.88.21.249 and 2a02:6b8::311.