crowdns.com - robtex.com

crowdns.com

DNSSEC⚠️ Not signed
A146.103.45.1🇧🇪 CDNEXT146.103.45.0/24
PTRcp8.sgp1.ultacp.com
NSns1.ultahost.com
A167.71.73.238🇳🇱 DIGITALOCEAN167.71.64.0/20 DigitalOcean
PTRns1.ultahost.com
NSns2.ultahost.com
A2001:41d0:701:1100::7e5🇩🇪 OVH2001:41d0::/32 IPv6
PTRns2.ultahost.com
A51.38.114.43🇫🇷 OVH51.38.0.0/16
PTRns2.ultahost.com
NSns3.ultahost.com ⚠️ Not in zone NS records
A2a01:4f8:c0c:79ee::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns4.ultahost.com
A94.130.75.18🇩🇪 Hetzner94.130.0.0/16 HETZNER-DC
PTRns4.ultahost.com
NSns4.ultahost.com ⚠️ Not in zone NS records
A2001:19f0:6402:4de:5400:2ff:fe93:34e8🇺🇸 AS-VULTR2001:19f0:6400::/38 Vultr Assigned Prefix
A149.28.254.81🇺🇸 AS-VULTR149.28.240.0/20 Vultr Assigned Prefix
PTRns4.ultahost.com
MXcrowdns.com
A146.103.45.1🇧🇪 CDNEXT146.103.45.0/24
PTRcp8.sgp1.ultacp.com
TXTv=spf1 +a +mx +ip4:146.103.45.1 include:relay.mailchannels.net ~all
SOAns1.ultahost.comhosting-notify@ultahost.com 2026-07-29 #0

com

MX for

Same first word

Similar names

DNS History

9 records (6 active, 3 former)

20162017201820192020202120222023202420252026NSns1.ultahost.comns2.ultahost.comns3.ultahost.comns4.ultahost.comns1.crowdns.comns2.crowdns.comMXcrowdns.comA146.103.45.1198.50.154.119
NSns1.crowdns.com2015-07-21 → 2017-02-07 · 4 obs
● 2015-07-21 20:16:58
● 2017-02-07 20:50:22
○ 2026-02-23 10:14:08
○ 2026-08-03 21:31:12
NSns1.ultahost.com2026-07-01 → 2026-08-03 · 3 obs
○ 2026-02-23 10:14:08
● 2026-07-01 19:08:36
● 2026-08-03 21:31:12
NSns2.crowdns.com2015-07-21 → 2017-02-07 · 4 obs
● 2015-07-21 20:16:58
● 2017-02-07 20:50:22
○ 2026-02-23 10:14:08
○ 2026-08-03 21:31:12
NSns2.ultahost.com2026-07-01 → 2026-08-03 · 3 obs
○ 2026-02-23 10:14:08
● 2026-07-01 19:08:36
● 2026-08-03 21:31:12
NSns3.ultahost.com2026-07-01 → 2026-08-03 · 3 obs
○ 2026-02-23 10:14:08
● 2026-07-01 19:08:36
● 2026-08-03 21:31:12
NSns4.ultahost.com2026-07-01 → 2026-08-03 · 3 obs
○ 2026-02-23 10:14:08
● 2026-07-01 19:08:36
● 2026-08-03 21:31:12
MXcrowdns.com2015-07-21 → 2026-08-03 · 6 obs
● 2015-07-21 20:16:58
● 2017-02-07 20:50:22
○ 2026-02-23 10:14:08
○ 2026-04-09 11:01:54
● 2026-07-01 19:08:36
● 2026-08-03 21:31:12
A146.103.45.12026-07-01 → 2026-08-03 · 3 obs
○ 2026-02-23 10:14:08
● 2026-07-01 19:08:36
● 2026-08-03 21:31:12
A198.50.154.1192015-07-21 → 2017-02-07 · 4 obs
● 2015-07-21 20:16:58
● 2017-02-07 20:50:22
○ 2026-02-23 10:14:08
○ 2026-08-03 21:31:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
crowdns.comns1.ultahost.com, ns2.ultahost.com, ns3.ultahost.com, ns4.ultahost.com4 records

✅ Authoritative Response

Server:94.130.75.18

NS records: ns1.ultahost.com, ns2.ultahost.com, ns3.ultahost.com, ns4.ultahost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crowdns.com (unsigned zone)

⏱️ Timing

Total: 3232ms | Queries: -

📄 Records

TypeCountSample Data
A1146.103.45.1
NS2ns2.ultahost.com, ns1.ultahost.com
MX1crowdns.com (pri: 0)
TXT1v=spf1 +a +mx +ip4:146.103.45.1 include:
SOA1ns1.ultahost.com hosting-notify.ultahost

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.ultahost.com, ns2.ultahost.com, ns3.ultahost.com...)

Analysis

Mail Server Role

crowdns.com serves as a mail server for crowdns.com.

IP Addresses

crowdns.com has exactly one IP address — 146.103.45.1.

firstdex.in, semois-semoy.org, atonomi.io plus two other host names have IP numbers in common with crowdns.com.

Name Servers

Four name servers handle the delegation for crowdns.com: ns1.ultahost.com, ns2.ultahost.com, ns3.ultahost.com and ns4.ultahost.com.

crowdns.com has at least partial name server overlap with other domains, such as vortewallet.com, thailandguide24.org, cremebank.com and two others.

Host names pointing to two IP addresses:

ns2.ultahost.com resolves to two addresses: 51.38.114.43 and 2001:41d0:701:1100::7e5.

ns3.ultahost.com resolves to two addresses: 94.130.75.18 and 2a01:4f8:c0c:79ee::1.

ns4.ultahost.com resolves to two addresses: 149.28.254.81 and 2001:19f0:6402:4de:5400:2ff:fe93:34e8.

Host names resolving to a single IP address:

The hostname ns1.ultahost.com resolves to 167.71.73.238.

Mail Servers

crowdns.com uses exactly one mail server, which is crowdns.com.

crowdns.com carries a single IP number, which is 146.103.45.1.