leibowitz.com - dns.ninja

`leibowitz.com`

DNSSEC	⚠️ Not signed
A	216.40.34.37^{🇨🇦 TUCOWS216.40.34.0/24}
NS	`ns1.mdnsservice.com` ⭐ ⚠️ Not in parent delegation
		A	2604:4000:0:d:216:40:47:18^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns1.mdnsservice.com`
		A	216.40.47.18^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`ns1.mdnsservice.com`
NS	`ns1.mailbank.com`
		A	216.40.47.18^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`ns1.mdnsservice.com`
NS	`ns2.mailbank.com`
		A	64.98.148.11^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`ns2.mdnsservice.com`
NS	`ns2.mdnsservice.com` ⚠️ Not in parent delegation
		A	2604:4000:2800:d:64:99:148:11^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`ns2.mdnsservice.com`
		A	64.98.148.11^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`ns2.mdnsservice.com`
NS	`ns3.mdnsservice.com` ⚠️ Not in parent delegation
		A	2604:4000:0:d:64:99:96:34^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns3.mdnsservice.com`
		A	64.99.96.34^{🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2}
			PTR	`ns3.mdnsservice.com`
MX	`mx.netidentity.com.cust.hostedemail.com`⁽²⁰⁾
		A	216.40.42.4^{🇨🇦 TUCOWS216.40.32.0/20 Tucows International}
			PTR	`mx.hostedemail.com`
TXT	`v=spf1 include:_spf.hostedemail.com ~all`
SOA	`ns1.mdnsservice.com`hostmaster@mdnsservice.com serial=275084578

`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=1785977324

Same first word

leibowitz.com

leibowitz.info

leibowitz.us

leibowitz.org

leibowitz.me

leibowitz.net

leibowitz.de

leibowitz.co

Similar names

liebowitz.biz

liebowitz.com

DNS History

10 records (7 active, 3 former)

●NSns1.mailbank.com2007-10-24 → 2026-08-06 · 2 obs

● 2007-10-24 06:07:32
● 2026-08-06 00:57:04

●NSns1.mdnsservice.com2015-08-19 → 2026-08-06 · 3 obs

○ 2007-10-24 06:07:32
● 2015-08-19 22:59:56
● 2026-08-06 00:57:04

●NSns2.mailbank.com2007-10-24 → 2026-08-06 · 2 obs

● 2007-10-24 06:07:32
● 2026-08-06 00:57:04

●NSns2.mdnsservice.com2015-08-19 → 2026-08-06 · 3 obs

○ 2007-10-24 06:07:32
● 2015-08-19 22:59:56
● 2026-08-06 00:57:04

●NSns3.mdnsservice.com2015-08-19 → 2026-08-06 · 3 obs

○ 2007-10-24 06:07:32
● 2015-08-19 22:59:56
● 2026-08-06 00:57:04

○MXinbound.netidentity.com.cust.securehostedemail.com2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 06:07:32
○ 2015-08-19 22:59:56
○ 2026-08-06 00:57:04

●MXmx.netidentity.com.cust.hostedemail.com2015-08-19 → 2026-08-06 · 3 obs

○ 2007-10-24 06:07:32
● 2015-08-19 22:59:56
● 2026-08-06 00:57:04

○A216.10.106.1492007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 06:07:32
○ 2015-08-19 22:59:56
○ 2026-08-06 00:57:04

●A216.40.34.372026-05-02 → 2026-08-06 · 3 obs

○ 2017-02-19 23:29:22
● 2026-05-02 14:37:20
● 2026-08-06 00:57:04

○A64.99.80.1212015-08-19 → 2017-02-19 · 5 obs

○ 2007-10-24 06:07:32
● 2015-08-19 22:59:56
● 2017-02-19 23:29:22
○ 2026-05-02 14:37:20
○ 2026-08-06 00:57:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
leibowitz.com	ns1.mailbank.com, ns2.mailbank.com	2 records

✅ Authoritative Response

Server:216.40.47.18

NS records: ns1.mailbank.com, ns2.mailbank.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leibowitz.com (unsigned zone)

⏱️ Timing

Total: 171ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.40.34.37`
NS	5	`ns3.mdnsservice.com, ns2.mdnsservice.com...`
MX	2	`mx.netidentity.com.cust.hostedemail.com , mx.netidentity.com.cust.hostedemail.com`
TXT	1	`v=spf1 include:_spf.hostedemail.com ~all`
SOA	1	`ns1.mdnsservice.com hostmaster.mdnsservi`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.mailbank.com, ns2.mailbank.com)

Analysis

IP Addresses

leibowitz.com resolves to one IP address: 216.40.34.37.

suwabe.com, tiedge.net, romagnoli.org and two other host names share IP numbers with leibowitz.com.

Name Servers

leibowitz.com has five name servers, which are ns1.mailbank.com, ns2.mailbank.com, ns1.mdnsservice.com and two others.

At least some of leibowitz.com's name servers are shared with other domains, for example vail.org, browning.net, vieth.net and two more.

These name servers tend to be deployed in combination with the name servers ns2.mdnsservice.com and ns3.mdnsservice.com.

Hostnames that resolve to two IP addresses:

ns1.mdnsservice.com has two IP addresses: 216.40.47.18 and 2604:4000:0:d:216:40:47:18.

ns2.mdnsservice.com has two IP addresses: 64.98.148.11 and 2604:4000:2800:d:64:99:148:11.

ns3.mdnsservice.com has two IP addresses: 64.99.96.34 and 2604:4000:0:d:64:99:96:34.

Hosts with just one IP address:

ns1.mailbank.com directs to 216.40.47.18.

ns2.mailbank.com directs to 64.98.148.11.

Host names pointing to 216.40.47.18 IP addresses: ns1.mdnsservice.com and ns1.mailbank.com.

Host names pointing to 64.98.148.11 IP addresses: ns2.mdnsservice.com and ns2.mailbank.com.

Mail Servers

Mail for leibowitz.com is handled by a single mail server, mx.netidentity.com.cust.hostedemail.com.

leibowitz.com uses an identical mail server configuration to several other domains — among them oubre.com, koza.de, wiltz.net and two more.

mx.netidentity.com.cust.hostedemail.com has exactly one IP number: 216.40.42.4.