`kobayashi.com.pl`

DNSSEC	⚠️ Not signed
A	2607:5300:205:300::13af^{🇨🇦 OVH2607:5300::/32 Hosting route}
		PTR	`kobayashi.com.pl`
A	51.161.81.228^{🇨🇦 OVH51.161.0.0/17 Hosting route}
NS	`s1.bjfs.pl` ⭐
		A	80.211.202.229^{🇨🇿 INTERNET-CZ80.211.192.0/19 INTERNET CZ,a.s.}
			PTR	`229.202.forpsi.net`
NS	`s2.bjfs.pl`
		A	148.113.140.232^{🇨🇦 OVH148.113.128.0/17 Hosting route}
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=25aaa4d5985d41e524226cb498a8876c1a79a459`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
SOA	`s1.bjfs.pl`admin@bjfs.pl 2026-05-08 #1

`com.pl`

	DNSSEC	⚠️ Not signed
	NS	`a-dns.pl` ⭐ ⚠️ Not in parent delegation
	NS	`b-dns.pl` ⚠️ Not in parent delegation
	NS	`d-dns.pl` ⚠️ Not in parent delegation
	NS	`f-dns.pl` ⚠️ Not in parent delegation
	NS	`h-dns.pl` ⚠️ Not in parent delegation
	NS	`j-dns.pl` ⚠️ Not in parent delegation
	SOA	`a-dns.pl`dnsmaster@nask.pl serial=1778481113

PTR for

228.81.161.51.in-addr.arpa

f.a.3.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.5.0.2.0.0.0.3.5.7.0.6.2.ip6.arpa

Same first word

Similar names

yakobashi.com

bokashiya.com

koshibaya.com

yashibako.com

shikobaya.info

bayashiko.com

obayashki.ru

DNS History

8 records (6 active, 2 former)

●NSs1.bjfs.pl2016-12-30 → 2026-05-11 · 2 obs

● 2016-12-30 19:14:48
● 2026-05-11 16:34:38

●NSs2.bjfs.pl2016-12-30 → 2026-05-11 · 2 obs

● 2016-12-30 19:14:48
● 2026-05-11 16:34:38

●MXmail.protonmail.ch2026-03-23 → 2026-05-11 · 2 obs

● 2026-03-23 17:04:08
● 2026-05-11 16:34:38

●MXmailsec.protonmail.ch2026-03-23 → 2026-05-11 · 2 obs

● 2026-03-23 17:04:08
● 2026-05-11 16:34:38

○A164.132.42.982018-05-27 → 2018-05-27 · 4 obs

○ 2016-12-30 19:14:48
● 2018-05-27 04:01:24
○ 2026-03-23 17:04:08
○ 2026-05-11 16:34:38

●A2607:5300:205:300::13af2026-03-23 → 2026-05-11 · 3 obs

○ 2018-05-27 04:01:24
● 2026-03-23 17:04:08
● 2026-05-11 16:34:38

○A46.105.17.1562016-12-30 → 2016-12-30 · 3 obs

● 2016-12-30 19:14:48
○ 2018-05-27 04:01:24
○ 2026-05-11 16:34:38

●A51.161.81.2282026-03-23 → 2026-05-11 · 3 obs

○ 2018-05-27 04:01:24
● 2026-03-23 17:04:08
● 2026-05-11 16:34:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl...	-
kobayashi.com.pl	s1.bjfs.pl, s2.bjfs.pl	-

✅ Authoritative Response

Server:80.211.202.229

NS records: s1.bjfs.pl, s2.bjfs.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kobayashi.com.pl (unsigned zone)

⏱️ Timing

Total: 1025ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.161.81.228`
AAAA	1	`2607:5300:205:300::13af`
NS	2	`s2.bjfs.pl, s1.bjfs.pl`
MX	2	`mailsec.protonmail.ch (pri: 20), mail.protonmail.ch (pri: 10)`
TXT	2	`protonmail-verification=25aaa4d5985d41e5, v=spf1 include:_spf.protonmail.ch ~all`
SOA	1	`s1.bjfs.pl admin.bjfs.pl`

Analysis

IP Addresses

kobayashi.com.pl points to two IP numbers: 2607:5300:205:300::13af and 51.161.81.228.

Name Servers

Two name servers s1.bjfs.pl and s2.bjfs.pl handle the delegation for kobayashi.com.pl.

Host names with one IP number:

s1.bjfs.pl points to 80.211.202.229; s2.bjfs.pl points to 148.113.140.232.

Mail Servers

Two mail servers handle kobayashi.com.pl: mail.protonmail.ch and mailsec.protonmail.ch.

kobayashi.com.pl shares the same mail server setup as other domains, including recovery.proton.me, cnnames.net, capturealpha.com, apex-ita.at and buffer1024.com.

kobayashi.com.pl shares at least partially some mail servers with other domains, for instance jigglypuffsdiary.com, smartresourceguide.com, altumvi.com, evotravel.ro and memetechnologies.com.

Host names with three IP numbers:

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

kobayashi.com.pl - robtex.com

kobayashi.com.pl

com.pl