systemletter.com - robtex.com

systemletter.com

DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix
NSns1.namebrightdns.com ⭐
A2600:1f18:683a:ae1a:aa86:dc69:2f3:5dbe🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:3376:e04f:851f:406c🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:a510:c365:d06a:e73a🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A52.91.47.137🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix
PTRec2-52-91-47-137.compute-1.amazonaws.com
A54.92.199.119🇺🇸 Amazon54.92.128.0/17 EC2 IAD prefix
PTRec2-54-92-199-119.compute-1.amazonaws.com
A98.83.163.23🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix
PTRec2-98-83-163-23.compute-1.amazonaws.com
NSnsg1.namebrightdns.com
A2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:e842:8110:107c:b494🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:ea2a:ddd0:a7f2:41a3🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:ecfe:3be5:6c4:3596🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:a136:1971:9598:5d4a🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:eb30:5f28:b181:27ee🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A13.221.125.168🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
PTRec2-13-221-125-168.compute-1.amazonaws.com
A44.220.149.224🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-220-149-224.compute-1.amazonaws.com
A50.19.157.44🇺🇸 Amazon50.19.128.0/17 EC2 IAD prefix
PTRec2-50-19-157-44.compute-1.amazonaws.com
A54.90.222.89🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix
PTRec2-54-90-222-89.compute-1.amazonaws.com
A54.161.131.101🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix
PTRec2-54-161-131-101.compute-1.amazonaws.com
A54.196.189.248🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15
PTRec2-54-196-189-248.compute-1.amazonaws.com
NSnsg2.namebrightdns.com
A2600:1f18:683a:ae1a:e1f7:fcf3:dce8:5758🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:130f:6e59:4e36:8c1e🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:9806:d504:f0e4:26c🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:c1a0:b763:6845:4e68🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:eda8:cb11:b8f:c1fe🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.82.54.251🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-82-54-251.compute-1.amazonaws.com
A3.85.217.230🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-85-217-230.compute-1.amazonaws.com
A3.86.71.89🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-86-71-89.compute-1.amazonaws.com
A3.89.204.207🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-89-204-207.compute-1.amazonaws.com
A98.93.89.251🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix
PTRec2-98-93-89-251.compute-1.amazonaws.com
TXTv=spf1 -all
TXTafternic-verification-G9G3tM8T8EwEizzPzjGJWF
SOAns1.namebrightdns.comdns@namebright.com 2026-03-24 #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=1774380302

Same first word

systemletter.com

DNS History

13 records (7 active, 6 former)

20162017201820192020202120222023202420252026NSns1.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comns07.domaincontrol.comns08.domaincontrol.comns27.domaincontrol.comns28.domaincontrol.comMXvirtualmail.dmdelivery.comA13.223.25.842600:1f18:4ae:c605:dd5d:b838:5816:d7fb2600:1f18:4ae:c606:78d4:4260:db4e:aeee54.243.117.19791.197.72.25
○NSns07.domaincontrol.com2016-03-22 → 2016-03-22 · 4 obs
○ 2015-12-16 12:32:04
● 2016-03-22 03:52:54
○ 2016-04-21 16:47:58
○ 2026-03-24 19:28:18
○NSns08.domaincontrol.com2016-03-22 → 2016-03-22 · 4 obs
○ 2015-12-16 12:32:04
● 2016-03-22 03:52:54
○ 2016-04-21 16:47:58
○ 2026-03-24 19:28:18
●NSns1.namebrightdns.com2026-03-24 → 2026-03-24 · 3 obs
○ 2017-10-12 11:16:46
● 2026-03-24 19:28:16
● 2026-03-24 19:28:18
○NSns27.domaincontrol.com2015-08-21 → 2017-10-12 · 8 obs
● 2015-08-21 10:28:22
● 2015-12-16 12:32:04
○ 2016-03-22 03:52:54
○ 2016-04-21 16:47:58
● 2016-12-04 04:56:58
● 2017-10-12 11:16:46
○ 2026-03-24 19:28:16
○ 2026-03-24 19:28:18
○NSns28.domaincontrol.com2015-08-21 → 2017-10-12 · 8 obs
● 2015-08-21 10:28:22
● 2015-12-16 12:32:04
○ 2016-03-22 03:52:54
○ 2016-04-21 16:47:58
● 2016-12-04 04:56:58
● 2017-10-12 11:16:46
○ 2026-03-24 19:28:16
○ 2026-03-24 19:28:18
●NSnsg1.namebrightdns.com2026-03-24 → 2026-03-24 · 3 obs
○ 2017-10-12 11:16:46
● 2026-03-24 19:28:16
● 2026-03-24 19:28:18
●NSnsg2.namebrightdns.com2026-03-24 → 2026-03-24 · 3 obs
○ 2017-10-12 11:16:46
● 2026-03-24 19:28:16
● 2026-03-24 19:28:18
○MXvirtualmail.dmdelivery.com2015-08-21 → 2017-10-12 · 7 obs
● 2015-08-21 10:28:22
● 2016-03-22 03:52:54
○ 2016-04-21 16:47:58
● 2016-12-04 04:56:58
● 2017-10-12 11:16:46
○ 2026-03-24 19:28:16
○ 2026-03-24 19:28:18
●A13.223.25.842026-03-24 → 2026-03-24 · 3 obs
○ 2017-10-12 11:16:46
● 2026-03-24 19:28:16
● 2026-03-24 19:28:18
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-24 → 2026-03-24 · 3 obs
○ 2017-10-12 11:16:46
● 2026-03-24 19:28:16
● 2026-03-24 19:28:18
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-24 → 2026-03-24 · 3 obs
○ 2017-10-12 11:16:46
● 2026-03-24 19:28:16
● 2026-03-24 19:28:18
●A54.243.117.1972026-03-24 → 2026-03-24 · 3 obs
○ 2017-10-12 11:16:46
● 2026-03-24 19:28:16
● 2026-03-24 19:28:18
○A91.197.72.252015-08-21 → 2017-10-12 · 7 obs
● 2015-08-21 10:28:22
● 2016-03-22 03:52:54
○ 2016-04-21 16:47:58
● 2016-12-04 04:56:58
● 2017-10-12 11:16:46
○ 2026-03-24 19:28:16
○ 2026-03-24 19:28:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
systemletter.comnsg1.namebrightdns.com, nsg2.namebrightdns.com22 records

✅ Authoritative Response

Server:3.85.217.230

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemletter.com (unsigned zone)

⏱️ Timing

Total: 227ms | Queries: -

📄 Records

TypeCountSample Data
A213.223.25.84, 54.243.117.197
AAAA22600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb
NS2nsg2.namebrightdns.com, nsg1.namebrightdns.com
TXT2v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj
SOA1ns1.namebrightdns.com dns.namebright.com

📌 Glue Records Collected

Total: 22

Out-of-bailiwick: 22 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

systemletter.com refers to four IP numbers: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

Other host names, for instance www.brandonchina.com, antsense.com, successhawk.com, lloydsmetals.com and ns2.redask.com share IP numbers with systemletter.com.

Name Servers

systemletter.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

systemletter.com at least partially shares name servers with other domains, including 55bca.jsdcoffee.com, mail.theocp.com, estateform.com, biguc.com and nicaworld.com.

These name servers are commonly used together with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and expired1.namebrightdns.com.

Host name nsg1.namebrightdns.com points to: 2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a, 2600:1f18:683a:ae1a:e842:8110:107c:b494, 2600:1f18:683a:ae1a:ea2a:ddd0:a7f2:41a3, 2600:1f18:683a:ae1a:ecfe:3be5:6c4:3596, 2600:1f18:683a:ae1b:a136:1971:9598:5d4a, 2600:1f18:683a:ae1b:eb30:5f28:b181:27ee, 13.221.125.168, 44.220.149.224, 50.19.157.44, 54.90.222.89, 54.161.131.101 and 54.196.189.248.

Host name nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:e1f7:fcf3:dce8:5758, 2600:1f18:683a:ae1b:130f:6e59:4e36:8c1e, 2600:1f18:683a:ae1b:9806:d504:f0e4:26c, 2600:1f18:683a:ae1b:c1a0:b763:6845:4e68, 2600:1f18:683a:ae1b:eda8:cb11:b8f:c1fe, 3.82.54.251, 3.85.217.230, 3.86.71.89, 3.89.204.207 and 98.93.89.251.

Host name ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:aa86:dc69:2f3:5dbe, 2600:1f18:683a:ae1b:3376:e04f:851f:406c, 2600:1f18:683a:ae1b:a510:c365:d06a:e73a, 52.91.47.137, 54.92.199.119 and 98.83.163.23.