crowdns.com - robtex.com
crowdns.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 146.103.45.1🇧🇪 CDNEXT146.103.45.0/24 | ||||||
| PTR | cp8.sgp1.ultacp.com | ||||||
| NS | ns1.ultahost.com ⭐ | ||||||
| A | 167.71.73.238🇳🇱 DIGITALOCEAN167.71.64.0/20 DigitalOcean | ||||||
| PTR | ns1.ultahost.com | ||||||
| NS | ns2.ultahost.com | ||||||
| A | 2001:41d0:701:1100::7e5🇩🇪 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns2.ultahost.com | ||||||
| A | 51.38.114.43🇫🇷 OVH51.38.0.0/16 | ||||||
| PTR | ns2.ultahost.com | ||||||
| NS | ns3.ultahost.com ⚠️ Not in zone NS records | ||||||
| A | 2a01:4f8:c0c:79ee::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns4.ultahost.com | ||||||
| A | 94.130.75.18🇩🇪 Hetzner94.130.0.0/16 HETZNER-DC | ||||||
| PTR | ns4.ultahost.com | ||||||
| NS | ns4.ultahost.com ⚠️ Not in zone NS records | ||||||
| A | 2001:19f0:6402:4de:5400:2ff:fe93:34e8🇺🇸 AS-VULTR2001:19f0:6400::/38 Vultr Assigned Prefix | ||||||
| A | 149.28.254.81🇺🇸 AS-VULTR149.28.240.0/20 Vultr Assigned Prefix | ||||||
| PTR | ns4.ultahost.com | ||||||
| MX | crowdns.com ⭐ | ||||||
| A | 146.103.45.1🇧🇪 CDNEXT146.103.45.0/24 | ||||||
| PTR | cp8.sgp1.ultacp.com | ||||||
| TXT | v=spf1 +a +mx +ip4:146.103.45.1 include:relay.mailchannels.net ~all | ||||||
| SOA | ns1.ultahost.comhosting-notify@ultahost.com 2026-07-29 #0 | ||||||
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.netnstld@verisign-grs.com serial=1785791412 | ||||||
MX for
crowdns.com |
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○NSns1.crowdns.com2015-07-21 → 2017-02-07 · 4 obs
● 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
● 2026-07-01 19:08:36
● 2026-08-03 21:31:12
○NSns2.crowdns.com2015-07-21 → 2017-02-07 · 4 obs
● 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
● 2026-07-01 19:08:36
● 2026-08-03 21:31:12
●NSns3.ultahost.com2026-07-01 → 2026-08-03 · 3 obs
● 2026-07-01 19:08:36
● 2026-08-03 21:31:12
●NSns4.ultahost.com2026-07-01 → 2026-08-03 · 3 obs
● 2026-07-01 19:08:36
● 2026-08-03 21:31:12
●MXcrowdns.com2015-07-21 → 2026-08-03 · 6 obs
● 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
● 2026-07-01 19:08:36
● 2026-08-03 21:31:12
○A198.50.154.1192015-07-21 → 2017-02-07 · 4 obs
● 2017-02-07 20:50:22
○ 2026-02-23 10:14:08
○ 2026-08-03 21:31:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| crowdns.com | ns1.ultahost.com, ns2.ultahost.com, ns3.ultahost.com, ns4.ultahost.com | 4 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
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 146.103.45.1 |
| NS | 2 | ns2.ultahost.com, ns1.ultahost.com |
| MX | 1 | crowdns.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:146.103.45.1 include: |
| SOA | 1 | ns1.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.