simrf.com - dns.ninja

simrf.com

DNSSEC⚠️ Not signed
A52.55.6.132🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix
PTRec2-52-55-6-132.compute-1.amazonaws.com
A54.224.205.96🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix
NSns-31.awsdns-03.com ⭐
A2600:9000:5300:1f00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-31.awsdns-03.com
A205.251.192.31🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-31.awsdns-03.com
NSns-1303.awsdns-34.org
A2600:9000:5305:1700::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1303.awsdns-34.org
A205.251.197.23🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1303.awsdns-34.org
NSns-2022.awsdns-60.co.uk
A2600:9000:5307:e600::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-2022.awsdns-60.co.uk
A205.251.199.230🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-2022.awsdns-60.co.uk
NSns-733.awsdns-27.net
A2600:9000:5302:dd00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-733.awsdns-27.net
A205.251.194.221🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-733.awsdns-27.net
TXTv=spf1 -all
SOAns-31.awsdns-03.comawsdns-hostmaster@amazon.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1781373623

Same first word

simrf.com

Similar names

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fsmir.com
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ifsrm.com
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fmisr.com
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firms.asia
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mrifs.com
firms.us
firms.bz
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srimf.com
fsrim.cn
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sfirm.at
srifm.info
firms.cc

DNS History

38 records (6 active, 32 former)

20162017201820192020202120222023202420252026NSns-1303.awsdns-34.orgns-2022.awsdns-60.co.ukns-31.awsdns-03.comns-733.awsdns-27.netns-master.mathworks.comns.mathworks.comns2.mathworks.comns3.mathworks.comMXmxgw-ah.mathworks.commxgw-ls.mathworks.commxgw-uk.mathworks.comA52.55.6.13254.224.205.96100.50.115.204107.22.120.131144.212.130.17144.212.244.1718.205.148.1403.216.37.20732.194.31.16534.202.67.3434.230.229.1534.237.103.12635.170.226.5444.205.87.4550.16.29.23452.202.217.9752.204.117.6052.204.200.18252.205.231.1852.23.75.17952.45.217.23152.71.104.12854.157.51.18598.87.100.20398.89.101.21598.90.13.21798.95.226.183
●NSns-1303.awsdns-34.org2026-03-14 → 2026-06-13 · 3 obs
○ 2016-07-30 19:35:22
● 2026-03-14 04:23:46
● 2026-06-13 18:29:46
●NSns-2022.awsdns-60.co.uk2026-03-14 → 2026-06-13 · 3 obs
○ 2016-07-30 19:35:22
● 2026-03-14 04:23:46
● 2026-06-13 18:29:46
●NSns-31.awsdns-03.com2026-03-14 → 2026-06-13 · 3 obs
○ 2016-07-30 19:35:22
● 2026-03-14 04:23:46
● 2026-06-13 18:29:46
●NSns-733.awsdns-27.net2026-03-14 → 2026-06-13 · 3 obs
○ 2016-07-30 19:35:22
● 2026-03-14 04:23:46
● 2026-06-13 18:29:46
○NSns-master.mathworks.com2015-05-02 → 2016-07-30 · 4 obs
● 2015-05-02 20:39:50
● 2016-07-30 19:35:22
○ 2026-03-14 04:23:46
○ 2026-06-13 18:29:46
○NSns.mathworks.com2015-05-02 → 2016-07-30 · 4 obs
● 2015-05-02 20:39:50
● 2016-07-30 19:35:22
○ 2026-03-14 04:23:46
○ 2026-06-13 18:29:46
○NSns2.mathworks.com2015-05-02 → 2016-07-30 · 4 obs
● 2015-05-02 20:39:50
● 2016-07-30 19:35:22
○ 2026-03-14 04:23:46
○ 2026-06-13 18:29:46
○NSns3.mathworks.com2015-05-02 → 2016-07-30 · 4 obs
● 2015-05-02 20:39:50
● 2016-07-30 19:35:22
○ 2026-03-14 04:23:46
○ 2026-06-13 18:29:46
○MXmxgw-ah.mathworks.com2015-05-02 → 2015-05-02 · 3 obs
● 2015-05-02 20:39:50
○ 2015-10-12 01:28:40
○ 2026-06-13 18:29:46
○MXmxgw-ls.mathworks.com2015-05-02 → 2015-05-02 · 3 obs
● 2015-05-02 20:39:50
○ 2015-10-12 01:28:40
○ 2026-06-13 18:29:46
○MXmxgw-uk.mathworks.com2015-05-02 → 2015-05-02 · 3 obs
● 2015-05-02 20:39:50
○ 2015-10-12 01:28:40
○ 2026-06-13 18:29:46
○A100.50.115.2042026-05-08 → 2026-05-08 · 4 obs
○ 2026-05-02 18:56:02
● 2026-05-08 02:51:06
○ 2026-05-25 14:09:08
○ 2026-06-13 18:29:46
○A107.22.120.1312026-03-16 → 2026-03-16 · 4 obs
○ 2026-03-14 04:23:46
● 2026-03-16 09:32:00
○ 2026-03-18 10:11:58
○ 2026-06-13 18:29:46
○A144.212.130.172015-05-02 → 2016-07-30 · 7 obs
● 2015-05-02 20:39:50
○ 2015-10-12 01:28:40
○ 2015-12-16 15:59:20
● 2016-03-14 20:15:20
● 2016-07-30 19:35:22
○ 2026-03-14 04:23:46
○ 2026-06-13 18:29:46
○A144.212.244.172015-10-12 → 2016-07-30 · 5 obs
○ 2015-05-02 20:39:50
● 2015-10-12 01:28:40
● 2016-07-30 19:35:22
○ 2026-03-14 04:23:46
○ 2026-06-13 18:29:46
○A18.205.148.1402026-03-14 → 2026-03-14 · 4 obs
○ 2016-07-30 19:35:22
● 2026-03-14 04:23:46
○ 2026-03-16 09:32:00
○ 2026-06-13 18:29:46
○A3.216.37.2072026-04-16 → 2026-04-16 · 4 obs
○ 2026-04-09 10:54:28
● 2026-04-16 02:11:44
○ 2026-04-24 01:51:26
○ 2026-06-13 18:29:46
○A32.194.31.1652026-04-09 → 2026-04-09 · 4 obs
○ 2026-03-28 17:19:28
● 2026-04-09 10:54:28
○ 2026-04-16 02:11:44
○ 2026-06-13 18:29:46
○A34.202.67.342026-06-01 → 2026-06-01 · 4 obs
○ 2026-05-25 14:09:08
● 2026-06-01 02:29:18
○ 2026-06-02 18:17:38
○ 2026-06-13 18:29:46
○A34.230.229.152026-05-02 → 2026-05-02 · 5 obs
○ 2026-04-27 16:51:40
● 2026-05-02 10:55:24
● 2026-05-02 18:56:02
○ 2026-05-08 02:51:06
○ 2026-06-13 18:29:46
○A34.237.103.1262026-03-27 → 2026-03-28 · 5 obs
○ 2026-03-22 15:59:56
● 2026-03-27 22:51:14
● 2026-03-28 17:19:28
○ 2026-04-09 10:54:28
○ 2026-06-13 18:29:46
○A35.170.226.542026-03-18 → 2026-03-18 · 4 obs
○ 2026-03-16 09:32:00
● 2026-03-18 10:11:58
○ 2026-03-22 15:59:56
○ 2026-06-13 18:29:46
○A44.205.87.452026-04-24 → 2026-04-27 · 5 obs
○ 2026-04-16 02:11:44
● 2026-04-24 01:51:26
● 2026-04-27 16:51:40
○ 2026-05-02 10:55:24
○ 2026-06-13 18:29:46
○A50.16.29.2342026-06-02 → 2026-06-09 · 5 obs
○ 2026-06-01 02:29:18
● 2026-06-02 18:17:38
● 2026-06-09 10:02:32
○ 2026-06-13 18:29:44
○ 2026-06-13 18:29:46
○A52.202.217.972026-03-14 → 2026-03-16 · 5 obs
○ 2016-07-30 19:35:22
● 2026-03-14 04:23:46
● 2026-03-16 09:32:00
○ 2026-03-18 10:11:58
○ 2026-06-13 18:29:46
○A52.204.117.602026-04-09 → 2026-04-09 · 4 obs
○ 2026-03-28 17:19:28
● 2026-04-09 10:54:28
○ 2026-04-16 02:11:44
○ 2026-06-13 18:29:46
○A52.204.200.1822026-04-16 → 2026-04-16 · 4 obs
○ 2026-04-09 10:54:28
● 2026-04-16 02:11:44
○ 2026-04-24 01:51:26
○ 2026-06-13 18:29:46
○A52.205.231.182026-05-25 → 2026-06-01 · 5 obs
○ 2026-05-08 02:51:06
● 2026-05-25 14:09:08
● 2026-06-01 02:29:18
○ 2026-06-02 18:17:38
○ 2026-06-13 18:29:46
○A52.23.75.1792026-06-02 → 2026-06-09 · 5 obs
○ 2026-06-01 02:29:18
● 2026-06-02 18:17:38
● 2026-06-09 10:02:32
○ 2026-06-13 18:29:44
○ 2026-06-13 18:29:46
○A52.45.217.2312026-04-24 → 2026-05-02 · 5 obs
○ 2026-04-16 02:11:44
● 2026-04-24 01:51:26
● 2026-05-02 18:56:02
○ 2026-05-08 02:51:06
○ 2026-06-13 18:29:46
●A52.55.6.1322026-06-13 → 2026-06-13 · 3 obs
○ 2026-06-09 10:02:32
● 2026-06-13 18:29:44
● 2026-06-13 18:29:46
○A52.71.104.1282026-03-27 → 2026-03-28 · 5 obs
○ 2026-03-22 15:59:56
● 2026-03-27 22:51:14
● 2026-03-28 17:19:28
○ 2026-04-09 10:54:28
○ 2026-06-13 18:29:46
○A54.157.51.1852026-03-22 → 2026-03-22 · 4 obs
○ 2026-03-18 10:11:58
● 2026-03-22 15:59:56
○ 2026-03-27 22:51:14
○ 2026-06-13 18:29:46
●A54.224.205.962026-06-13 → 2026-06-13 · 3 obs
○ 2026-06-09 10:02:32
● 2026-06-13 18:29:44
● 2026-06-13 18:29:46
○A98.87.100.2032026-03-22 → 2026-03-22 · 4 obs
○ 2026-03-18 10:11:58
● 2026-03-22 15:59:56
○ 2026-03-27 22:51:14
○ 2026-06-13 18:29:46
○A98.89.101.2152026-05-25 → 2026-05-25 · 4 obs
○ 2026-05-08 02:51:06
● 2026-05-25 14:09:08
○ 2026-06-01 02:29:18
○ 2026-06-13 18:29:46
○A98.90.13.2172026-05-08 → 2026-05-08 · 4 obs
○ 2026-05-02 18:56:02
● 2026-05-08 02:51:06
○ 2026-05-25 14:09:08
○ 2026-06-13 18:29:46
○A98.95.226.1832026-03-18 → 2026-03-18 · 4 obs
○ 2026-03-16 09:32:00
● 2026-03-18 10:11:58
○ 2026-03-22 15:59:56
○ 2026-06-13 18:29:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net...-
simrf.comns-31.awsdns-03.com, ns-733.awsdns-27.net, ns-1303.awsdns-34.org, ns-2022.awsdns-60.co.uk2 records

✅ Authoritative Response

Server:205.251.192.31

NS records: ns-31.awsdns-03.com, ns-733.awsdns-27.net, ns-1303.awsdns-34.org, ns-2022.awsdns-60.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simrf.com (unsigned zone)

⏱️ Timing

Total: 526ms | Queries: -

📄 Records

TypeCountSample Data
A254.224.205.96, 52.55.6.132
NS4ns-1303.awsdns-34.org, ns-2022.awsdns-60.co.uk...
TXT1v=spf1 -all
SOA1ns-31.awsdns-03.com awsdns-hostmaster.am

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-31.awsdns-03.com, ns-31.awsdns-03.com)

Analysis

IP Addresses

simrf.com points to two IP numbers: 52.55.6.132 and 54.224.205.96.

Among the host names that share IP numbers with simrf.com are www.mathworks.jp, matlab.co.za, matlab.com.ua and two others.

Name Servers

simrf.com is delegated to four name servers, ns-31.awsdns-03.com, ns-733.awsdns-27.net, ns-1303.awsdns-34.org and ns-2022.awsdns-60.co.uk.

At least some of simrf.com's name servers are shared with other domains, for example imert.org, seoradar.com, trimblemep.cloud and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-31.awsdns-03.com directs to 205.251.192.31 and 2600:9000:5300:1f00::1; ns-733.awsdns-27.net directs to 205.251.194.221 and 2600:9000:5302:dd00::1; ns-1303.awsdns-34.org directs to 205.251.197.23 and 2600:9000:5305:1700::1; ns-2022.awsdns-60.co.uk directs to 205.251.199.230 and 2600:9000:5307:e600::1.