kfk-biotech.com - robtex.com
kfk-biotech.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776983296 | ||||||
Same first word
kfk-biotech.com |
DNS History
16 records (8 active, 8 former)
●NSns10.dnsonic.com2026-03-14 → 2026-04-23 · 3 obs
● 2026-03-14 21:23:28
● 2026-04-23 22:48:08
●NSns7.dnsonic.com2026-03-14 → 2026-04-23 · 3 obs
● 2026-03-14 21:23:28
● 2026-04-23 22:48:08
●NSns8.dnsonic.com2026-03-14 → 2026-04-23 · 3 obs
● 2026-03-14 21:23:28
● 2026-04-23 22:48:08
●NSns9.dnsonic.com2026-03-14 → 2026-04-23 · 3 obs
● 2026-03-14 21:23:28
● 2026-04-23 22:48:08
○NStn1.hinetserver.net2015-05-12 → 2017-08-17 · 4 obs
● 2017-08-17 17:11:04
○ 2026-03-14 21:23:28
○ 2026-04-23 22:48:08
○NStn2.hinetserver.net2015-05-12 → 2017-08-17 · 4 obs
● 2017-08-17 17:11:04
○ 2026-03-14 21:23:28
○ 2026-04-23 22:48:08
●MXalt1.aspmx.l.google.com2015-05-12 → 2026-04-23 · 2 obs
● 2026-04-23 22:48:08
○MXalt2.aspmx.l.google.com2015-05-12 → 2017-08-17 · 4 obs
● 2017-08-17 17:11:04
○ 2026-03-14 21:23:28
○ 2026-04-23 22:48:08
●MXaspmx.l.google.com2015-05-12 → 2026-04-23 · 2 obs
● 2026-04-23 22:48:08
○MXaspmx2.googlemail.com2015-05-12 → 2017-08-17 · 4 obs
● 2017-08-17 17:11:04
○ 2026-03-14 21:23:28
○ 2026-04-23 22:48:08
○MXaspmx3.googlemail.com2015-05-12 → 2017-08-17 · 4 obs
● 2017-08-17 17:11:04
○ 2026-03-14 21:23:28
○ 2026-04-23 22:48:08
○MXaspmx4.googlemail.com2015-05-12 → 2017-08-17 · 4 obs
● 2017-08-17 17:11:04
○ 2026-03-14 21:23:28
○ 2026-04-23 22:48:08
○MXaspmx5.googlemail.com2015-05-12 → 2017-08-17 · 4 obs
● 2017-08-17 17:11:04
○ 2026-03-14 21:23:28
○ 2026-04-23 22:48:08
○A122.146.210.782015-05-12 → 2017-08-17 · 4 obs
● 2017-08-17 17:11:04
○ 2026-03-14 21:23:28
○ 2026-04-23 22:48:08
●A2001:b030:816a:ff74::12026-03-14 → 2026-04-23 · 3 obs
● 2026-03-14 21:23:28
● 2026-04-23 22:48:08
●A211.21.6.1302026-03-14 → 2026-04-23 · 3 obs
● 2026-03-14 21:23:28
● 2026-04-23 22:48:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| kfk-biotech.com | ns7.dnsonic.com, ns8.dnsonic.com | 2 records |
✅ Authoritative Response
Server:211.21.6.130
NS records: ns7.dnsonic.com, ns8.dnsonic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kfk-biotech.com (unsigned zone)
⏱️ Timing
Total: 594ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.21.6.130 |
| AAAA | 1 | 2001:b030:816a:ff74::1 |
| NS | 2 | ns10.dnsonic.com, ns9.dnsonic.com |
| MX | 2 | alt1.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:211.21.6.130 +ip4:211 |
| SOA | 1 | ns9.dnsonic.com notice.potia.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns7.dnsonic.com, ns8.dnsonic.com)
Analysis
IP Addresses
kfk-biotech.com points to two IPs: 2001:b030:816a:ff74::1 and 211.21.6.130.
Other host names, for instance s01.dnsonic.com, yc-loan.com, sidns.sidesigner.net, superun.net and bouken.space share IP numbers with kfk-biotech.com.
Name Servers
kfk-biotech.com is delegated to four name servers: ns10.dnsonic.com, ns7.dnsonic.com, ns8.dnsonic.com and ns9.dnsonic.com.
kfk-biotech.com at least partially shares name servers with other domains such as etandt.com.tw, bj.com.tw, dac.tw, derfang.com.tw and feng-group.com.tw.
These name servers are commonly used with ns5.dnsonic.com, ns6.dnsonic.com, ns3.dnsonic.com and ns4.dnsonic.com.
Host names with two IP numbers
- Host name ns10.dnsonic.com has two IP numbers: 2001:b030:816a:ff74::1 and 211.21.6.130.
Host names with one IP number
- Host name ns7.dnsonic.com has one IP number: 211.21.6.130.
- Host name ns8.dnsonic.com has one IP number: 211.21.6.130.
- Host name ns9.dnsonic.com has one IP number: 211.21.6.130.
Host names that point to 211.21.6.130: ns10.dnsonic.comns7.dnsonic.comns8.dnsonic.com and ns9.dnsonic.com.
Mail Servers
Two mail servers handle kfk-biotech.com: aspmx.l.google.com and alt1.aspmx.l.google.com.
kfk-biotech.com shares the same mail server setup as other domains, including servers.twitch.tv, hfy.com.tw, mainpay.co.uk, ceno.de and magnushansson.com.
kfk-biotech.com shares mail servers with other domains at least in part, for instance ifdown.net, ns500759.ns500758.ns500698.ns500698.ns500735.ns500698.ns500708.ns500576.ns500619.ns500576.ns500619.tracksymphony.com, rdsc.ca, cvccs.com and hotel.cz.
These mail servers are often used together with alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IPs:
aspmx.l.google.com points to 2607:f8b0:4004:c1b::1a and 192.178.218.27.
alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27.