`b-3.org`

DNSSEC	⚠️ Not signed
A	93.201.21.67^{🇩🇪 DTAG93.192.0.0/10}
		PTR	`p5dc91543.dip0.t-ipconnect.de`
NS	`ns1.your-server.de` ⭐ ⚠️ Not in zone NS records
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`helium.ns.hetzner.de` ⚠️ Not in parent delegation
		A	2001:67c:192c::add:5^{NORIS-NETWORK2001:67c:192c::/48}
		A	193.47.99.5^{NORIS-NETWORK193.47.99.0/24}
NS	`hydrogen.ns.hetzner.com` ⚠️ Not in parent delegation
		A	2a01:4f8:0:1::add:1098^{Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	213.133.100.98^{Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
NS	`ns.second-ns.com` ⚠️ Not in zone NS records
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de` ⚠️ Not in zone NS records
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
NS	`oxygen.ns.hetzner.com` ⚠️ Not in parent delegation
		A	2a01:4f8:0:1::add:2992^{Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	88.198.229.192
MX	`mx.butzei.de` ⭐
		A	91.132.146.191
TXT	`v=spf1 ip4:78.47.172.155 ip6:2a01:4f8:c17:314c::2 mx -all`
SOA	`ns1.your-server.de`postmaster@your-server.de 2026-06-19 #0

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1785005561

Subdomains

mx.b-3.org

Same first word

b-3.nl

b-3.com

b-3.net

b-3.pl

b-3.jp

b-3.co.at

b-3.biz

b-3.org

b-3.at

b-3.ru

b-3.de

Similar names

3-b.fr

3-b.dk

3-b.net

3-b.co.uk

3-b.org

3-b.nl

3-b.cn

3-b.com

3-b.at

3-b.ru

3-b.de

3-b.com.pl

DNS History

13 records (8 active, 5 former)

●NShelium.ns.hetzner.de2026-05-26 → 2026-07-25 · 3 obs

○ 2017-08-23 06:33:56
● 2026-05-26 00:17:32
● 2026-07-25 19:11:46

●NShydrogen.ns.hetzner.com2026-05-26 → 2026-07-25 · 3 obs

○ 2017-08-23 06:33:56
● 2026-05-26 00:17:32
● 2026-07-25 19:11:46

●NSns.second-ns.com2026-05-26 → 2026-07-25 · 3 obs

○ 2017-08-23 06:33:56
● 2026-05-26 00:17:32
● 2026-07-25 19:11:46

○NSns01.yahoodomains.jp2015-06-06 → 2017-08-23 · 4 obs

● 2015-06-06 11:02:12
● 2017-08-23 06:33:56
○ 2026-05-26 00:17:32
○ 2026-07-25 19:11:46

○NSns02.yahoodomains.jp2015-06-06 → 2017-08-23 · 4 obs

● 2015-06-06 11:02:12
● 2017-08-23 06:33:56
○ 2026-05-26 00:17:32
○ 2026-07-25 19:11:46

●NSns1.your-server.de2026-05-26 → 2026-07-25 · 3 obs

○ 2017-08-23 06:33:56
● 2026-05-26 00:17:32
● 2026-07-25 19:11:46

●NSns3.second-ns.de2026-05-26 → 2026-07-25 · 3 obs

○ 2017-08-23 06:33:56
● 2026-05-26 00:17:32
● 2026-07-25 19:11:46

●NSoxygen.ns.hetzner.com2026-05-26 → 2026-07-25 · 3 obs

○ 2017-08-23 06:33:56
● 2026-05-26 00:17:32
● 2026-07-25 19:11:46

○MXmailt.do-reg.jp2015-06-06 → 2017-08-23 · 4 obs

● 2015-06-06 11:02:12
● 2017-08-23 06:33:56
○ 2026-05-26 00:17:32
○ 2026-07-25 19:11:46

●MXmx.butzei.de2026-05-26 → 2026-07-25 · 3 obs

○ 2017-08-23 06:33:56
● 2026-05-26 00:17:32
● 2026-07-25 19:11:46

○A210.168.35.32015-06-06 → 2017-08-23 · 4 obs

● 2015-06-06 11:02:12
● 2017-08-23 06:33:56
○ 2026-05-26 00:17:32
○ 2026-07-25 19:11:46

○A91.38.126.1452026-05-26 → 2026-05-26 · 4 obs

○ 2017-08-23 06:33:56
● 2026-05-26 00:17:32
○ 2026-06-30 17:01:00
○ 2026-07-25 19:11:46

●A93.201.21.672026-06-30 → 2026-07-25 · 3 obs

○ 2026-05-26 00:17:32
● 2026-06-30 17:01:00
● 2026-07-25 19:11:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
b-3.org	ns1.your-server.de, ns3.second-ns.de, ns.second-ns.com	-

✅ Authoritative Response

Server:213.133.100.102

NS records: ns1.your-server.de, ns3.second-ns.de, ns.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b-3.org (unsigned zone)

⏱️ Timing

Total: 1805ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.201.21.67`
NS	3	`hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com...`
MX	1	`mx.butzei.de (pri: 10)`
TXT	1	`v=spf1 ip4:78.47.172.155 ip6:2a01:4f8:c1`
SOA	1	`ns1.your-server.de postmaster.your-serve`

Analysis

Hierarchy

b-3.org is the parent zone for mx.b-3.org.

IP Addresses

b-3.org has exactly one IP address — 93.201.21.67.

tcrev.de is an example of another host name that shares IP numbers with b-3.org.

Name Servers

b-3.org has 6 name servers — ns.second-ns.com, ns3.second-ns.de, ns1.your-server.de and 3 others.

b-3.org at least partially shares name servers with other domains, for instance kreuzweingaerten.at, bauunternehmenmeier.de, sudoku-puzzles.net and two other.

Host names pointing to two IP addresses:

ns.second-ns.com resolves to 213.239.204.242 and 2a01:4f8:0:a101::b:1.

ns3.second-ns.de resolves to 193.47.99.4 and 2001:67c:192c::add:b3.

ns1.your-server.de resolves to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.

hydrogen.ns.hetzner.com resolves to 213.133.100.98 and 2a01:4f8:0:1::add:1098.

oxygen.ns.hetzner.com resolves to 88.198.229.192 and 2a01:4f8:0:1::add:2992.

helium.ns.hetzner.de resolves to 193.47.99.5 and 2001:67c:192c::add:5.