b72.com - dns.ninja

`b72.com`

DNSSEC	🔒 Signed (DS record present)
A	87.128.89.29^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
		PTR	`srv1.schefczyk.net`
NS	`dns1.b72.com` ⭐
		A	78.94.217.198^{🇩🇪 VODANET78.94.128.0/17 Vodafone West}
			PTR	`srv.b72.com`
NS	`dns2.b72.com`
		A	87.128.10.46^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
			PTR	`srv1.b72.com`
NS	`dns3.b72.com`
		A	24.134.7.185^{🇩🇪 VODANET24.134.0.0/16 Vodafone-gesamt}
			PTR	`srv.schefczyk.net`
NS	`dns4.b72.com`
		A	87.128.89.29^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
			PTR	`srv1.schefczyk.net`
MX	`srv1.b72.com` ⭐
		A	87.128.10.46^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
			PTR	`srv1.b72.com`
MX	`srv.b72.com`⁽¹⁵⁾
		A	78.94.217.198^{🇩🇪 VODANET78.94.128.0/17 Vodafone West}
			PTR	`srv.b72.com`
MX	`srv1.schefczyk.net`⁽²⁰⁾
		A	87.128.89.29^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
			PTR	`srv1.schefczyk.net`
MX	`srv.schefczyk.net`⁽²⁵⁾
		A	24.134.7.185^{🇩🇪 VODANET24.134.0.0/16 Vodafone-gesamt}
			PTR	`srv.schefczyk.net`
TXT	`v=spf1 a a:srv.b72.com a:srv1.b72.com a:srv.schefczyk.net a:srv1.schefczyk.ne...`
SOA	`dns1.b72.com`postmaster@b72.com serial=1502378439

`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.net`nstld@verisign-grs.com serial=1785839412

🔒 HSTS Preload (+subdomains)

Subdomains

dns.b72.com

dns1.b72.com

dns2.b72.com

dmz.b72.com

mail.b72.com

dns3.b72.com

dns4.b72.com

www.b72.com

srv.b72.com

srv1.b72.com

Same first word

b72.com

b72.in

b72.dk

b72.at

Similar names

27b.ru

27b.ai

72b.ru

b27.it

b27.org

7b2.ru

7b2.net

b27.ai

2b7.de

27b.org

72b.cn

27b.com

b27.pl

27b.games

72b.net

b27.ru

72b.org

72b.de

27b.co

27b.co.uk

b27.com

b27.net

72b.com

7b2.de

b27.cz

27b.store

b27.cn

7b2.com

72b.me

b27.co

7b2.org

27b.cc

27b.la

27b.be

b27.nfshost.com

DNS History

14 records (9 active, 5 former)

●NSdns1.b72.com2026-02-15 → 2026-08-04 · 3 obs

○ 2016-12-20 21:48:52
● 2026-02-15 00:14:22
● 2026-08-04 10:43:28

●NSdns2.b72.com2026-02-15 → 2026-08-04 · 3 obs

○ 2016-12-20 21:48:52
● 2026-02-15 00:14:22
● 2026-08-04 10:43:28

●NSdns3.b72.com2026-02-15 → 2026-08-04 · 3 obs

○ 2016-12-20 21:48:52
● 2026-02-15 00:14:22
● 2026-08-04 10:43:28

●NSdns4.b72.com2026-02-15 → 2026-08-04 · 3 obs

○ 2016-12-20 21:48:52
● 2026-02-15 00:14:22
● 2026-08-04 10:43:28

○NSns5.kasserver.com2015-08-18 → 2016-12-20 · 4 obs

● 2015-08-18 03:16:56
● 2016-12-20 21:48:52
○ 2026-02-15 00:14:22
○ 2026-08-04 10:43:28

○NSns6.kasserver.com2015-08-18 → 2016-12-20 · 4 obs

● 2015-08-18 03:16:56
● 2016-12-20 21:48:52
○ 2026-02-15 00:14:22
○ 2026-08-04 10:43:28

○MXmail.b72.com2015-08-18 → 2016-10-24 · 4 obs

● 2015-08-18 03:16:56
● 2016-10-24 13:33:18
○ 2016-12-20 21:48:52
○ 2026-08-04 10:43:28

●MXsrv.b72.com2015-08-18 → 2026-08-04 · 2 obs

● 2015-08-18 03:16:56
● 2026-08-04 10:43:28

●MXsrv.schefczyk.net2026-02-15 → 2026-08-04 · 3 obs

○ 2016-12-20 21:48:52
● 2026-02-15 00:14:22
● 2026-08-04 10:43:28

●MXsrv1.b72.com2015-08-18 → 2026-08-04 · 2 obs

● 2015-08-18 03:16:56
● 2026-08-04 10:43:28

●MXsrv1.schefczyk.net2026-02-15 → 2026-08-04 · 3 obs

○ 2016-12-20 21:48:52
● 2026-02-15 00:14:22
● 2026-08-04 10:43:28

○MXw005935e.kasserver.com2016-12-20 → 2016-12-20 · 4 obs

○ 2016-10-24 13:33:18
● 2016-12-20 21:48:52
○ 2026-02-15 00:14:22
○ 2026-08-04 10:43:28

○A85.13.133.482015-08-18 → 2016-12-20 · 4 obs

● 2015-08-18 03:16:56
● 2016-12-20 21:48:52
○ 2026-02-15 00:14:22
○ 2026-08-04 10:43:28

●A87.128.89.292026-02-15 → 2026-08-04 · 3 obs

○ 2016-12-20 21:48:52
● 2026-02-15 00:14:22
● 2026-08-04 10:43:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...	-
b72.com	dns1.b72.com, dns2.b72.com, dns3.b72.com, dns4.b72.com	4 records

✅ Authoritative Response

Server:24.134.7.185

NS records: dns1.b72.com, dns2.b72.com, dns3.b72.com, dns4.b72.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 598ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.128.89.29`
NS	4	`dns2.b72.com, dns1.b72.com...`
MX	4	`srv.schefczyk.net (pri: 20), srv1.b72.com (pri: 15)...`
TXT	1	`v=spf1 a a:srv.b72.com a:srv1.b72.com a:`
SOA	1	`dns1.b72.com postmaster.b72.com`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (dns1.b72.com, dns2.b72.com, dns3.b72.com...)

Analysis

Hierarchy

b72.com is the parent domain of dns.b72.com, dns1.b72.com, dns2.b72.com, dmz.b72.com, mail.b72.com and a few other host names.

IP Addresses

b72.com resolves to one IP address: 87.128.89.29.

dns2.(0x616e616c)yticum.com, mail.(0x616e616c)yticum.eu, gruenderlehrstuhl.de and two other host names share IP numbers with b72.com.

Name Servers

The authoritative name servers for b72.com are dns1.b72.com, dns2.b72.com, dns3.b72.com and dns4.b72.com.

Each of the four hosts dns1.b72.com, dns2.b72.com, dns3.b72.com and dns4.b72.com points to a single IP address — dns1.b72.com points to 78.94.217.198, dns2.b72.com points to 87.128.10.46, dns3.b72.com points to 24.134.7.185 and dns4.b72.com points to 87.128.89.29.

Mail Servers

b72.com has four mail servers: srv1.b72.com, srv.b72.com, srv1.schefczyk.net and srv.schefczyk.net.

b72.com has at least partial mail server overlap with other domains such as melina-schefczyk.de, stb-schefczyk.de, manuel-schefczyk.de and two more.

Each of the four hosts srv1.b72.com, srv.b72.com, srv1.schefczyk.net and srv.schefczyk.net points to a single IP address — srv1.b72.com points to 87.128.10.46, srv.b72.com points to 78.94.217.198, srv1.schefczyk.net points to 87.128.89.29 and srv.schefczyk.net points to 24.134.7.185.