simcircuits.net - dns.ninja
simcircuits.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.20.48.241Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| A | 54.83.137.253Amazon54.80.0.0/14 EC2 IAD prefix | ||||||
| NS | ns-336.awsdns-42.com ⭐ | ||||||
| A | 2600:9000:5301:5000::1Amazon2600:9000:5301::/48 - CloudFront | ||||||
| A | 205.251.193.80Amazon205.251.193.0/24 prefix | ||||||
| NS | ns-1354.awsdns-41.org | ||||||
| A | 2600:9000:5305:4a00::1Amazon2600:9000:5305::/48 - CloudFront | ||||||
| A | 205.251.197.74Amazon205.251.197.0/24 prefix | ||||||
| NS | ns-1654.awsdns-14.co.uk | ||||||
| A | 2600:9000:5306:7600::1Amazon2600:9000:5306::/48 - CloudFront | ||||||
| A | 205.251.198.118Amazon205.251.198.0/24 prefix | ||||||
| NS | ns-519.awsdns-00.net | ||||||
| A | 2600:9000:5302:700::1Amazon2600:9000:5302::/48 - CloudFront | ||||||
| A | 205.251.194.7Amazon205.251.194.0/24 prefix | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns-336.awsdns-42.comawsdns-hostmaster@amazon.com serial=1 | ||||||
net
| 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=1781989675 | ||||||
Same first word
simcircuits.com |
simcircuits.net |
DNS History
43 records (6 active, 37 former)
●NSns-1354.awsdns-41.org2026-02-23 → 2026-06-20 · 3 obs
○ 2016-11-29 09:49:56
● 2026-02-23 08:16:44
● 2026-06-20 21:28:16
● 2026-02-23 08:16:44
● 2026-06-20 21:28:16
●NSns-1654.awsdns-14.co.uk2026-02-23 → 2026-06-20 · 3 obs
○ 2016-11-29 09:49:56
● 2026-02-23 08:16:44
● 2026-06-20 21:28:16
● 2026-02-23 08:16:44
● 2026-06-20 21:28:16
●NSns-336.awsdns-42.com2026-02-23 → 2026-06-20 · 3 obs
○ 2016-11-29 09:49:56
● 2026-02-23 08:16:44
● 2026-06-20 21:28:16
● 2026-02-23 08:16:44
● 2026-06-20 21:28:16
●NSns-519.awsdns-00.net2026-02-23 → 2026-06-20 · 3 obs
○ 2016-11-29 09:49:56
● 2026-02-23 08:16:44
● 2026-06-20 21:28:16
● 2026-02-23 08:16:44
● 2026-06-20 21:28:16
○NSns-master.mathworks.com2015-08-25 → 2016-11-29 · 5 obs
○ 2007-12-17 15:50:12
● 2015-08-25 02:14:22
● 2016-11-29 09:49:56
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
● 2015-08-25 02:14:22
● 2016-11-29 09:49:56
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
○NSns.mathworks.com2007-12-17 → 2016-11-29 · 4 obs
● 2007-12-17 15:50:12
● 2016-11-29 09:49:56
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
● 2016-11-29 09:49:56
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
○NSns2.mathworks.com2007-12-17 → 2016-11-29 · 4 obs
● 2007-12-17 15:50:12
● 2016-11-29 09:49:56
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
● 2016-11-29 09:49:56
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
○NSns3.mathworks.com2007-12-17 → 2016-11-29 · 4 obs
● 2007-12-17 15:50:12
● 2016-11-29 09:49:56
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
● 2016-11-29 09:49:56
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
○MXmx0.mathworks.com2007-12-17 → 2007-12-17 · 3 obs
● 2007-12-17 15:50:12
○ 2015-08-25 02:14:22
○ 2026-06-20 21:28:16
○ 2015-08-25 02:14:22
○ 2026-06-20 21:28:16
○MXsmtp.mathworks.co.uk2007-12-17 → 2007-12-17 · 3 obs
● 2007-12-17 15:50:12
○ 2015-08-25 02:14:22
○ 2026-06-20 21:28:16
○ 2015-08-25 02:14:22
○ 2026-06-20 21:28:16
○MXsmtp.mathworks.com2007-12-17 → 2007-12-17 · 3 obs
● 2007-12-17 15:50:12
○ 2015-08-25 02:14:22
○ 2026-06-20 21:28:16
○ 2015-08-25 02:14:22
○ 2026-06-20 21:28:16
○A100.50.115.2042026-05-04 → 2026-05-14 · 5 obs
○ 2026-05-02 18:56:02
● 2026-05-04 18:11:34
● 2026-05-14 13:30:24
○ 2026-05-16 00:16:50
○ 2026-06-20 21:28:16
● 2026-05-04 18:11:34
● 2026-05-14 13:30:24
○ 2026-05-16 00:16:50
○ 2026-06-20 21:28:16
○A107.22.120.1312026-03-16 → 2026-03-16 · 5 obs
○ 2026-03-13 00:07:20
● 2026-03-16 09:32:00
● 2026-03-16 10:53:54
○ 2026-03-22 16:00:02
○ 2026-06-20 21:28:16
● 2026-03-16 09:32:00
● 2026-03-16 10:53:54
○ 2026-03-22 16:00:02
○ 2026-06-20 21:28:16
○A144.212.130.172015-08-25 → 2016-11-29 · 7 obs
○ 2007-12-17 15:50:12
● 2015-08-25 02:14:22
○ 2015-12-17 19:46:20
● 2016-03-29 01:02:22
● 2016-11-29 09:49:56
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
● 2015-08-25 02:14:22
○ 2015-12-17 19:46:20
● 2016-03-29 01:02:22
● 2016-11-29 09:49:56
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
○A144.212.244.172015-08-25 → 2016-11-29 · 5 obs
○ 2007-12-17 15:50:12
● 2015-08-25 02:14:22
● 2016-11-29 09:49:56
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
● 2015-08-25 02:14:22
● 2016-11-29 09:49:56
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
○A18.205.148.1402026-03-02 → 2026-03-13 · 5 obs
○ 2026-02-25 06:24:20
● 2026-03-02 10:35:50
● 2026-03-13 00:07:20
○ 2026-03-16 09:32:00
○ 2026-06-20 21:28:16
● 2026-03-02 10:35:50
● 2026-03-13 00:07:20
○ 2026-03-16 09:32:00
○ 2026-06-20 21:28:16
○A18.215.141.252026-02-23 → 2026-06-20 · 2 obs
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
○ 2026-06-20 21:28:16
○A32.194.31.1652026-04-09 → 2026-04-09 · 4 obs
○ 2026-03-28 17:19:46
● 2026-04-09 10:54:20
○ 2026-04-27 16:50:38
○ 2026-06-20 21:28:16
● 2026-04-09 10:54:20
○ 2026-04-27 16:50:38
○ 2026-06-20 21:28:16
○A34.203.55.2032026-05-16 → 2026-05-16 · 4 obs
○ 2026-05-14 13:30:24
● 2026-05-16 00:16:50
○ 2026-06-04 07:56:12
○ 2026-06-20 21:28:16
● 2026-05-16 00:16:50
○ 2026-06-04 07:56:12
○ 2026-06-20 21:28:16
○A34.226.187.1232026-02-23 → 2026-02-25 · 5 obs
○ 2016-11-29 09:49:56
● 2026-02-23 08:16:44
● 2026-02-25 06:24:20
○ 2026-03-02 10:35:50
○ 2026-06-20 21:28:16
● 2026-02-23 08:16:44
● 2026-02-25 06:24:20
○ 2026-03-02 10:35:50
○ 2026-06-20 21:28:16
○A34.230.229.152026-05-02 → 2026-05-02 · 5 obs
○ 2026-04-27 16:50:38
● 2026-05-02 10:58:26
● 2026-05-02 18:56:02
○ 2026-05-04 18:11:34
○ 2026-06-20 21:28:16
● 2026-05-02 10:58:26
● 2026-05-02 18:56:02
○ 2026-05-04 18:11:34
○ 2026-06-20 21:28:16
○A34.237.103.1262026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-22 16:00:02
● 2026-03-28 17:19:46
○ 2026-04-09 10:54:20
○ 2026-06-20 21:28:16
● 2026-03-28 17:19:46
○ 2026-04-09 10:54:20
○ 2026-06-20 21:28:16
○A35.168.132.1552026-05-16 → 2026-05-16 · 4 obs
○ 2026-05-14 13:30:24
● 2026-05-16 00:16:50
○ 2026-06-04 07:56:12
○ 2026-06-20 21:28:16
● 2026-05-16 00:16:50
○ 2026-06-04 07:56:12
○ 2026-06-20 21:28:16
○A35.171.222.1162026-06-16 → 2026-06-16 · 4 obs
○ 2026-06-14 15:14:46
● 2026-06-16 11:29:10
○ 2026-06-18 17:01:10
○ 2026-06-20 21:28:16
● 2026-06-16 11:29:10
○ 2026-06-18 17:01:10
○ 2026-06-20 21:28:16
○A35.172.71.1372026-06-16 → 2026-06-16 · 4 obs
○ 2026-06-14 15:14:46
● 2026-06-16 11:29:10
○ 2026-06-18 17:01:10
○ 2026-06-20 21:28:16
● 2026-06-16 11:29:10
○ 2026-06-18 17:01:10
○ 2026-06-20 21:28:16
○A35.174.187.392026-02-23 → 2026-06-20 · 2 obs
○ 2026-02-23 08:16:44
○ 2026-06-20 21:28:16
○ 2026-06-20 21:28:16
○A44.205.87.452026-04-27 → 2026-04-27 · 4 obs
○ 2026-04-09 10:54:20
● 2026-04-27 16:50:38
○ 2026-05-02 10:58:26
○ 2026-06-20 21:28:16
● 2026-04-27 16:50:38
○ 2026-05-02 10:58:26
○ 2026-06-20 21:28:16
○A50.16.29.2342026-06-04 → 2026-06-09 · 5 obs
○ 2026-05-16 00:16:50
● 2026-06-04 07:56:12
● 2026-06-09 13:55:04
○ 2026-06-14 15:14:46
○ 2026-06-20 21:28:16
● 2026-06-04 07:56:12
● 2026-06-09 13:55:04
○ 2026-06-14 15:14:46
○ 2026-06-20 21:28:16
●A52.20.48.2412026-06-18 → 2026-06-20 · 5 obs
○ 2026-06-16 11:29:10
● 2026-06-18 17:01:10
○ 2026-06-19 12:43:56
● 2026-06-20 21:28:12
● 2026-06-20 21:28:16
● 2026-06-18 17:01:10
○ 2026-06-19 12:43:56
● 2026-06-20 21:28:12
● 2026-06-20 21:28:16
○A52.202.217.972026-03-16 → 2026-03-16 · 5 obs
○ 2026-03-13 00:07:20
● 2026-03-16 09:32:00
● 2026-03-16 10:53:54
○ 2026-03-22 16:00:02
○ 2026-06-20 21:28:16
● 2026-03-16 09:32:00
● 2026-03-16 10:53:54
○ 2026-03-22 16:00:02
○ 2026-06-20 21:28:16
○A52.204.117.602026-04-09 → 2026-04-09 · 4 obs
○ 2026-03-28 17:19:46
● 2026-04-09 10:54:20
○ 2026-04-27 16:50:38
○ 2026-06-20 21:28:16
● 2026-04-09 10:54:20
○ 2026-04-27 16:50:38
○ 2026-06-20 21:28:16
○A52.23.75.1792026-06-04 → 2026-06-09 · 5 obs
○ 2026-05-16 00:16:50
● 2026-06-04 07:56:12
● 2026-06-09 13:55:04
○ 2026-06-14 15:14:46
○ 2026-06-20 21:28:16
● 2026-06-04 07:56:12
● 2026-06-09 13:55:04
○ 2026-06-14 15:14:46
○ 2026-06-20 21:28:16
○A52.4.140.2032026-03-02 → 2026-03-13 · 5 obs
○ 2026-02-25 06:24:20
● 2026-03-02 10:35:50
● 2026-03-13 00:07:20
○ 2026-03-16 09:32:00
○ 2026-06-20 21:28:16
● 2026-03-02 10:35:50
● 2026-03-13 00:07:20
○ 2026-03-16 09:32:00
○ 2026-06-20 21:28:16
○A52.45.217.2312026-04-27 → 2026-05-07 · 5 obs
○ 2026-04-09 10:54:20
● 2026-04-27 16:50:38
● 2026-05-07 06:23:18
○ 2026-05-08 02:51:00
○ 2026-06-20 21:28:16
● 2026-04-27 16:50:38
● 2026-05-07 06:23:18
○ 2026-05-08 02:51:00
○ 2026-06-20 21:28:16
○A52.55.6.1322026-06-14 → 2026-06-14 · 4 obs
○ 2026-06-09 13:55:04
● 2026-06-14 15:14:46
○ 2026-06-16 11:29:10
○ 2026-06-20 21:28:16
● 2026-06-14 15:14:46
○ 2026-06-16 11:29:10
○ 2026-06-20 21:28:16
○A52.71.104.1282026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-22 16:00:02
● 2026-03-28 17:19:46
○ 2026-04-09 10:54:20
○ 2026-06-20 21:28:16
● 2026-03-28 17:19:46
○ 2026-04-09 10:54:20
○ 2026-06-20 21:28:16
○A54.157.51.1852026-03-22 → 2026-03-22 · 4 obs
○ 2026-03-16 10:53:54
● 2026-03-22 16:00:02
○ 2026-03-28 17:19:46
○ 2026-06-20 21:28:16
● 2026-03-22 16:00:02
○ 2026-03-28 17:19:46
○ 2026-06-20 21:28:16
○A54.163.67.462026-05-14 → 2026-05-14 · 4 obs
○ 2026-05-13 05:39:16
● 2026-05-14 13:30:24
○ 2026-05-16 00:16:50
○ 2026-06-20 21:28:16
● 2026-05-14 13:30:24
○ 2026-05-16 00:16:50
○ 2026-06-20 21:28:16
○A54.224.205.962026-06-14 → 2026-06-14 · 4 obs
○ 2026-06-09 13:55:04
● 2026-06-14 15:14:46
○ 2026-06-16 11:29:10
○ 2026-06-20 21:28:16
● 2026-06-14 15:14:46
○ 2026-06-16 11:29:10
○ 2026-06-20 21:28:16
●A54.83.137.2532026-06-18 → 2026-06-20 · 5 obs
○ 2026-06-16 11:29:10
● 2026-06-18 17:01:10
○ 2026-06-19 12:43:56
● 2026-06-20 21:28:12
● 2026-06-20 21:28:16
● 2026-06-18 17:01:10
○ 2026-06-19 12:43:56
● 2026-06-20 21:28:12
● 2026-06-20 21:28:16
○A98.87.100.2032026-03-22 → 2026-03-22 · 4 obs
○ 2026-03-16 10:53:54
● 2026-03-22 16:00:02
○ 2026-03-28 17:19:46
○ 2026-06-20 21:28:16
● 2026-03-22 16:00:02
○ 2026-03-28 17:19:46
○ 2026-06-20 21:28:16
○A98.87.232.1122026-02-23 → 2026-02-25 · 5 obs
○ 2016-11-29 09:49:56
● 2026-02-23 08:16:44
● 2026-02-25 06:24:20
○ 2026-03-02 10:35:50
○ 2026-06-20 21:28:16
● 2026-02-23 08:16:44
● 2026-02-25 06:24:20
○ 2026-03-02 10:35:50
○ 2026-06-20 21:28:16
○A98.90.13.2172026-05-08 → 2026-05-13 · 5 obs
○ 2026-05-07 06:23:18
● 2026-05-08 02:51:00
● 2026-05-13 05:39:16
○ 2026-05-14 13:30:24
○ 2026-06-20 21:28:16
● 2026-05-08 02:51:00
● 2026-05-13 05:39:16
○ 2026-05-14 13:30:24
○ 2026-06-20 21:28:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net... | - |
| simcircuits.net | ns-519.awsdns-00.net, ns-336.awsdns-42.com, ns-1654.awsdns-14.co.uk, ns-1354.awsdns-41.org | 2 records |
✅ Authoritative Response
Server:205.251.197.74
NS records: ns-519.awsdns-00.net, ns-336.awsdns-42.com, ns-1654.awsdns-14.co.uk, ns-1354.awsdns-41.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for simcircuits.net (unsigned zone)
⏱️ Timing
Total: 1218ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 54.83.137.253, 52.20.48.241 |
| NS | 4 | ns-1354.awsdns-41.org, ns-1654.awsdns-14.co.uk... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns-336.awsdns-42.com awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-519.awsdns-00.net, ns-519.awsdns-00.net)
Analysis
IP Addresses
simcircuits.net points to the IP addresses 52.20.48.241 and 54.83.137.253
Name Servers
The NS records for simcircuits.net point to four name servers: ns-336.awsdns-42.com, ns-519.awsdns-00.net, ns-1354.awsdns-41.org and ns-1654.awsdns-14.co.uk.
Each of the four hosts ns-336.awsdns-42.com, ns-519.awsdns-00.net, ns-1354.awsdns-41.org and ns-1654.awsdns-14.co.uk has two IP addresses. ns-336.awsdns-42.com points to 205.251.193.80 and 2600:9000:5301:5000::1. ns-519.awsdns-00.net points to 205.251.194.7 and 2600:9000:5302:700::1. ns-1354.awsdns-41.org points to 205.251.197.74 and 2600:9000:5305:4a00::1. ns-1654.awsdns-14.co.uk points to 205.251.198.118 and 2600:9000:5306:7600::1.