3bb.eu - dns.ninja

3bb.eu

DNSSEC๐Ÿ”’ Signed (DS record present)
A216.239.32.21๐Ÿ‡บ๐Ÿ‡ธ Google216.239.32.0/24
PTRany-in-2015.1e100.net
A216.239.34.21๐Ÿ‡บ๐Ÿ‡ธ Google216.239.34.0/24
A216.239.36.21๐Ÿ‡บ๐Ÿ‡ธ Google216.239.36.0/24
A216.239.38.21๐Ÿ‡บ๐Ÿ‡ธ Google216.239.38.0/24
NSns2.web4u.cz โญ
A2a02:a40:100:28ff::12๐Ÿ‡จ๐Ÿ‡ฟ BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.
PTRns2.web4u.cz
A85.207.53.12๐Ÿ‡จ๐Ÿ‡ฟ BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block
PTRns2.web4u.cz
NSns.web4u.cz
A2001:1568:fd::241๐Ÿ‡จ๐Ÿ‡ฟ WEB4U2001:1568::/33
PTRns.web4u.cz
A185.14.224.241๐Ÿ‡จ๐Ÿ‡ฟ WEB4U185.14.224.0/23
PTRns.web4u.cz
MXaspmx.l.google.com โญ
A2607:f8b0:4004:c23::1b๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4004::/48
PTRyuiadrs-in-f27.1e100.net
A64.233.180.26๐Ÿ‡บ๐Ÿ‡ธ Google64.233.180.0/24
PTRon-in-f26.1e100.net
PTRpe-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c14::1b๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A192.178.234.26๐Ÿ‡บ๐Ÿ‡ธ Google192.178.0.0/15
PTRncsclj-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1b๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c14::1a๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A192.178.234.26๐Ÿ‡บ๐Ÿ‡ธ Google192.178.0.0/15
PTRncsclj-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1a๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f27.1e100.net
TXTgoogle-site-verification=8dziOQ5HkCLveKyXPJ7Ft3_jYFvag95ey3hqYgmkMcE
SOAns.web4u.czadmin@web4u.cz 2025-08-19 #13

eu

DNSSEC๐Ÿ”’ Signed (DS record present)
NSsi.dns.eu โญ
NSbe.dns.eu
NSw.dns.eu
NSx.dns.eu
NSy.dns.eu
SOAsi.dns.eutech@eurid.eu serial=1127018985

Same first word

Similar names

DNS History

12 records (11 active, 1 former)

20162017201820192020202120222023202420252026NSns.web4u.czns2.web4u.czMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA216.239.32.21216.239.34.21216.239.36.21216.239.38.21178.255.43.67
โ—NSns.web4u.cz2015-05-10 โ†’ 2026-08-12 ยท 2 obs
โ— 2015-05-10 21:13:04
โ— 2026-08-12 20:40:10
โ—NSns2.web4u.cz2015-05-10 โ†’ 2026-08-12 ยท 2 obs
โ— 2015-05-10 21:13:04
โ— 2026-08-12 20:40:10
โ—MXalt1.aspmx.l.google.com2015-05-10 โ†’ 2026-08-12 ยท 2 obs
โ— 2015-05-10 21:13:04
โ— 2026-08-12 20:40:10
โ—MXalt2.aspmx.l.google.com2015-05-10 โ†’ 2026-08-12 ยท 2 obs
โ— 2015-05-10 21:13:04
โ— 2026-08-12 20:40:10
โ—MXaspmx.l.google.com2015-05-10 โ†’ 2026-08-12 ยท 2 obs
โ— 2015-05-10 21:13:04
โ— 2026-08-12 20:40:10
โ—MXaspmx2.googlemail.com2015-05-10 โ†’ 2026-08-12 ยท 2 obs
โ— 2015-05-10 21:13:04
โ— 2026-08-12 20:40:10
โ—MXaspmx3.googlemail.com2015-05-10 โ†’ 2026-08-12 ยท 2 obs
โ— 2015-05-10 21:13:04
โ— 2026-08-12 20:40:10
โ—‹A178.255.43.672015-05-10 โ†’ 2021-10-13 ยท 4 obs
โ— 2015-05-10 21:13:04
โ— 2021-10-13 13:53:42
โ—‹ 2026-03-16 07:57:46
โ—‹ 2026-08-12 20:40:10
โ—A216.239.32.212026-03-16 โ†’ 2026-08-12 ยท 3 obs
โ—‹ 2021-10-13 13:53:42
โ— 2026-03-16 07:57:46
โ— 2026-08-12 20:40:10
โ—A216.239.34.212026-03-16 โ†’ 2026-08-12 ยท 3 obs
โ—‹ 2021-10-13 13:53:42
โ— 2026-03-16 07:57:46
โ— 2026-08-12 20:40:10
โ—A216.239.36.212026-03-16 โ†’ 2026-08-12 ยท 3 obs
โ—‹ 2021-10-13 13:53:42
โ— 2026-03-16 07:57:46
โ— 2026-08-12 20:40:10
โ—A216.239.38.212026-03-16 โ†’ 2026-08-12 ยท 3 obs
โ—‹ 2021-10-13 13:53:42
โ— 2026-03-16 07:57:46
โ— 2026-08-12 20:40:10

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
euw.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu...-
3bb.euns2.web4u.cz, ns.web4u.cz-

โœ… Authoritative Response

Server:185.14.224.241

NS records: ns2.web4u.cz, ns.web4u.cz

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 1207ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A4216.239.32.21, 216.239.34.21...
NS2ns.web4u.cz, ns2.web4u.cz
MX5aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT1google-site-verification=8dziOQ5HkCLveKy
SOA1ns.web4u.cz admin.web4u.cz

Analysis

IP Addresses

3bb.eu points to the four IP addresses 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.

Two other host names, along with net-marketing.co.jp, albook.net and videogamewall.com, also share IP numbers with 3bb.eu.

Name Servers

The NS records for 3bb.eu delegate to ns2.web4u.cz and ns.web4u.cz.

3bb.eu shares its NS records with other domains, for example myeloma.cz, stradov.cz, palstat.net and two others.

ns2.web4u.cz resolves to 85.207.53.12 and 2a02:a40:100:28ff::12. Likewise, ns.web4u.cz resolves to 185.14.224.241 and 2001:1568:fd::241 โ€” two IP addresses apiece.

Mail Servers

3bb.eu has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between 3bb.eu and other domains, including ssfo.org, getsteven.com, wilozamedia.com and two others.

These mail servers tend to appear in combination with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

The A records for aspmx2.googlemail.com return 192.178.234.26 and 2800:3f0:4003:c14::1a.

The A records for aspmx3.googlemail.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.

The A records for aspmx.l.google.com return 64.233.180.26 and 2607:f8b0:4004:c23::1b.

The A records for alt1.aspmx.l.google.com return 192.178.234.26 and 2800:3f0:4003:c14::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 192.178.234.26 IP addresses.