kottwitz.com - dns.ninja

kottwitz.com

DNSSEC⚠️ Not signed
A216.40.34.37🇨🇦 TUCOWS216.40.34.0/24
NSns1.mdnsservice.com ⭐ ⚠️ Not in parent delegation
A2604:4000:0:d:216:40:47:18🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000
PTRns1.mdnsservice.com
A216.40.47.18🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0
PTRns1.mdnsservice.com
NSns1.mailbank.com
A216.40.47.18🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0
PTRns1.mdnsservice.com
NSns2.mailbank.com
A64.98.148.11🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.
PTRns2.mdnsservice.com
NSns2.mdnsservice.com ⚠️ Not in parent delegation
A2604:4000:2800:d:64:99:148:11🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.
PTRns2.mdnsservice.com
A64.98.148.11🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.
PTRns2.mdnsservice.com
NSns3.mdnsservice.com ⚠️ Not in parent delegation
A2604:4000:0:d:64:99:96:34🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000
PTRns3.mdnsservice.com
A64.99.96.34🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2
PTRns3.mdnsservice.com
MXmx.netidentity.com.cust.hostedemail.com
A216.40.42.4🇨🇦 TUCOWS216.40.32.0/20 Tucows International
PTRmx.hostedemail.com
TXTv=spf1 include:_spf.hostedemail.com ~all
SOAns1.mdnsservice.comhostmaster@mdnsservice.com serial=275358579

com

Subdomains

Same first word

DNS History

8 records (7 active, 1 former)

20162017201820192020202120222023202420252026NSns1.mailbank.comns1.mdnsservice.comns2.mailbank.comns2.mdnsservice.comns3.mdnsservice.comMXmx.netidentity.com.cust.hostedemail.comA216.40.34.3764.99.80.121
NSns1.mailbank.com2015-07-11 → 2026-06-25 · 2 obs
● 2015-07-11 19:46:36
● 2026-06-25 00:58:16
NSns1.mdnsservice.com2015-07-11 → 2026-06-25 · 2 obs
● 2015-07-11 19:46:36
● 2026-06-25 00:58:16
NSns2.mailbank.com2015-07-11 → 2026-06-25 · 2 obs
● 2015-07-11 19:46:36
● 2026-06-25 00:58:16
NSns2.mdnsservice.com2015-07-11 → 2026-06-25 · 2 obs
● 2015-07-11 19:46:36
● 2026-06-25 00:58:16
NSns3.mdnsservice.com2015-07-11 → 2026-06-25 · 2 obs
● 2015-07-11 19:46:36
● 2026-06-25 00:58:16
MXmx.netidentity.com.cust.hostedemail.com2015-07-11 → 2026-06-25 · 2 obs
● 2015-07-11 19:46:36
● 2026-06-25 00:58:16
A216.40.34.372026-03-24 → 2026-06-25 · 3 obs
○ 2017-01-26 20:54:14
● 2026-03-24 18:54:48
● 2026-06-25 00:58:16
A64.99.80.1212015-07-11 → 2017-01-26 · 4 obs
● 2015-07-11 19:46:36
● 2017-01-26 20:54:14
○ 2026-03-24 18:54:48
○ 2026-06-25 00:58:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...-
kottwitz.comns1.mailbank.com, ns2.mailbank.com2 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 kottwitz.com (unsigned zone)

⏱️ Timing

Total: 297ms | Queries: -

📄 Records

TypeCountSample Data
A1216.40.34.37
NS5ns1.mdnsservice.com, ns3.mdnsservice.com...
MX2mx.netidentity.com.cust.hostedemail.com , mx.netidentity.com.cust.hostedemail.com
TXT1v=spf1 include:_spf.hostedemail.com ~all
SOA1ns1.mdnsservice.com hostmaster.mdnsservi

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

kottwitz.com serves as the parent of www.kottwitz.com.

IP Addresses

kottwitz.com has exactly one IP address — 216.40.34.37.

momberger.net, svanholm.net, haskins.org plus two other host names have IP numbers in common with kottwitz.com.

Name Servers

Five name servers handle delegation for kottwitz.com: ns1.mailbank.com, ns2.mailbank.com, ns1.mdnsservice.com and two others.

kottwitz.com has at least partial name server overlap with other domains, such as lipps.com, thebikeshed.net.emailmx.com, poller.net and two others.

It is common to see these name servers used together with name servers ns2.mdnsservice.com and ns3.mdnsservice.com.

Host names pointing 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.

Host names resolving to a single 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

kottwitz.com uses one mail server — mx.netidentity.com.cust.hostedemail.com.

The mail server setup of kottwitz.com matches that of other domains such as kapanen.com, einig.com, pagano.com and two others.

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