sisimulation.com - dns.ninja
sisimulation.com
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=1784744617 | ||||||
Same first word
sisimulation.com |
DNS History
13 records (7 active, 6 former)
●NSns-1260.awsdns-29.org2019-12-15 → 2026-07-22 · 2 obs
● 2026-07-22 18:48:02
●NSns-1821.awsdns-35.co.uk2019-12-15 → 2026-07-22 · 2 obs
● 2026-07-22 18:48:02
●NSns-193.awsdns-24.com2019-12-15 → 2026-07-22 · 2 obs
● 2026-07-22 18:48:02
●NSns-921.awsdns-51.net2019-12-15 → 2026-07-22 · 2 obs
● 2026-07-22 18:48:02
●MXinbound-smtp.us-west-2.amazonaws.com2019-12-15 → 2026-07-22 · 2 obs
● 2026-07-22 18:48:02
○A13.112.9.1522026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 15:52:04
○ 2026-07-22 18:48:02
○A18.176.226.672019-12-15 → 2019-12-15 · 3 obs
○ 2026-02-15 15:52:04
○ 2026-07-22 18:48:02
○A3.115.72.2122026-02-15 → 2026-07-22 · 2 obs
○ 2026-07-22 18:48:02
○A52.193.92.2312019-12-15 → 2019-12-15 · 3 obs
○ 2026-02-15 15:52:04
○ 2026-07-22 18:48:02
○A52.196.245.1922026-02-15 → 2026-07-22 · 2 obs
○ 2026-07-22 18:48:02
●A54.248.147.582026-07-22 → 2026-07-22 · 2 obs
● 2026-07-22 18:48:02
●A54.64.173.1262026-07-22 → 2026-07-22 · 2 obs
● 2026-07-22 18:48:02
○A57.182.179.1452026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 15:52:04
○ 2026-07-22 18:48:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net... | - |
| sisimulation.com | ns-193.awsdns-24.com, ns-921.awsdns-51.net, ns-1260.awsdns-29.org, ns-1821.awsdns-35.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.199.29
NS records: ns-193.awsdns-24.com, ns-921.awsdns-51.net, ns-1260.awsdns-29.org, ns-1821.awsdns-35.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sisimulation.com (unsigned zone)
⏱️ Timing
Total: 419ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 54.64.173.126, 54.248.147.58 |
| NS | 4 | ns-1260.awsdns-29.org, ns-1821.awsdns-35.co.uk... |
| MX | 1 | inbound-smtp.us-west-2.amazonaws.com (pr |
| SOA | 1 | ns-1821.awsdns-35.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-193.awsdns-24.com, ns-193.awsdns-24.com)
Analysis
IP Addresses
sisimulation.com has two IP addresses: 54.64.173.126 and 54.248.147.58
Name Servers
The authoritative name servers for sisimulation.com are ns-193.awsdns-24.com, ns-921.awsdns-51.net, ns-1260.awsdns-29.org and ns-1821.awsdns-35.co.uk.
At least some of sisimulation.com's name servers are shared with other domains, for example 174.48.52.in-addr.arpa, 245.17.52.in-addr.arpa, 236.247.54.in-addr.arpa and two more.
These name servers are often deployed together with the name servers ns1-24-eu-west-1.ec2-rdns.amazonaws.com, ns2-24-eu-west-1.ec2-rdns.amazonaws.com, ns3-24-eu-west-1.ec2-rdns.amazonaws.com and ns4-24-eu-west-1.ec2-rdns.amazonaws.com.
Four hostnames, each resolving to a pair of IP addresses: ns-193.awsdns-24.com directs to 205.251.192.193 and 2600:9000:5300:c100::1; ns-921.awsdns-51.net directs to 205.251.195.153 and 2600:9000:5303:9900::1; ns-1260.awsdns-29.org directs to 205.251.196.236 and 2600:9000:5304:ec00::1; ns-1821.awsdns-35.co.uk directs to 205.251.199.29 and 2600:9000:5307:1d00::1.
Mail Servers
Mail for sisimulation.com is handled by a single mail server, inbound-smtp.us-west-2.amazonaws.com.
sisimulation.com uses an identical mail server configuration to several other domains — among them comprehend.aws.a2z.com, teleplus.io, tidal-wave.com and two more.
sisimulation.com has at least partial mail server overlap with other domains such as portlandstate.atlassian.net, helloictsm1.atlassian.net, citgo.atlassian.net and two more.
These mail servers commonly co-occur with mail servers inbound-smtp.us-east-1.amazonaws.com, aspmx.l.google.com, alt1.aspmx.l.google.com and 3 others.
inbound-smtp.us-west-2.amazonaws.com has four IP addresses: 35.161.157.106, 52.13.163.116, 52.43.162.244 and 54.188.121.70.