justsfa.com - robtex.com

justsfa.com

DNSSEC⚠️ Not signed
A3.170.42.2🇺🇸 Amazon3.170.40.0/22
PTRserver-3-170-42-2.iad61.r.cloudfront.net
A3.170.42.96🇺🇸 Amazon3.170.40.0/22
A3.170.42.113🇺🇸 Amazon3.170.40.0/22
A3.170.42.121🇺🇸 Amazon3.170.40.0/22
NSns-446.awsdns-55.com ⭐
A2600:9000:5301:be00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-446.awsdns-55.com
A205.251.193.190🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-446.awsdns-55.com
NSns-1381.awsdns-44.org
A2600:9000:5305:6500::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1381.awsdns-44.org
A205.251.197.101🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1381.awsdns-44.org
NSns-1962.awsdns-53.co.uk
A2600:9000:5307:aa00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1962.awsdns-53.co.uk
A205.251.199.170🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1962.awsdns-53.co.uk
NSns-720.awsdns-26.net
A2600:9000:5302:d000::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-720.awsdns-26.net
A205.251.194.208🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-720.awsdns-26.net
MXml-relay1.justsystems.com ⭐
A52.68.98.224🇯🇵 Amazon52.68.0.0/15 EC2 NRT prefix
PTRml-relay1.justsystems.com
MXml-relay2.justsystems.com ⭐
A52.68.77.221🇯🇵 Amazon52.68.0.0/15 EC2 NRT prefix
PTRml-relay2.justsystems.com
TXT8YhFEsD8pp49wKej26evSAekkPvRRM
TXTRfElcvZGGaggZbihlgW9hGCWgKxVwD
TXTgoogle-site-verification=cEv_w-rrPY60rMcOUIQgoIGDycwjxJ3D4KN92Sn7c-E
TXTv=spf1 ip4:52.196.68.74 ip4:52.69.88.239 ip4:18.232.251.212 ip4:54.80.244.234...
SOAns-446.awsdns-55.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=1771291435
🔒 HSTS Preload (+subdomains)

Same first word

justsfa.com
justsfa.net
justsfa.org

DNS History

22 records (10 active, 12 former)

2017201820192020202120222023202420252026NSns-1381.awsdns-44.orgns-1962.awsdns-53.co.ukns-446.awsdns-55.comns-720.awsdns-26.netMXml-relay1.justsystems.comml-relay2.justsystems.comA3.170.42.1133.170.42.1213.170.42.23.170.42.9613.249.182.12913.249.182.5513.249.182.6513.249.182.7913.33.82.10513.33.82.11613.33.82.1913.33.82.7918.164.68.2018.164.68.5718.164.68.7618.164.68.8
●NSns-1381.awsdns-44.org2016-12-18 → 2026-03-12 · 2 obs
● 2016-12-18 18:22:32
● 2026-03-12 01:52:16
●NSns-1962.awsdns-53.co.uk2016-12-18 → 2026-03-12 · 2 obs
● 2016-12-18 18:22:32
● 2026-03-12 01:52:16
●NSns-446.awsdns-55.com2016-12-18 → 2026-03-12 · 2 obs
● 2016-12-18 18:22:32
● 2026-03-12 01:52:16
●NSns-720.awsdns-26.net2016-12-18 → 2026-03-12 · 2 obs
● 2016-12-18 18:22:32
● 2026-03-12 01:52:16
●MXml-relay1.justsystems.com2016-12-18 → 2026-03-12 · 2 obs
● 2016-12-18 18:22:32
● 2026-03-12 01:52:16
●MXml-relay2.justsystems.com2016-12-18 → 2026-03-12 · 2 obs
● 2016-12-18 18:22:32
● 2026-03-12 01:52:16
○A13.249.182.1292026-02-26 → 2026-03-11 · 7 obs
○ 2026-02-24 11:12:26
● 2026-02-26 12:07:34
○ 2026-02-27 04:48:42
○ 2026-03-10 00:46:58
● 2026-03-11 09:14:32
○ 2026-03-11 12:38:08
○ 2026-03-12 01:52:16
○A13.249.182.552026-02-26 → 2026-03-11 · 7 obs
○ 2026-02-24 11:12:26
● 2026-02-26 12:07:34
○ 2026-02-27 04:48:42
○ 2026-03-10 00:46:58
● 2026-03-11 09:14:32
○ 2026-03-11 12:38:08
○ 2026-03-12 01:52:16
○A13.249.182.652026-02-26 → 2026-03-11 · 7 obs
○ 2026-02-24 11:12:26
● 2026-02-26 12:07:34
○ 2026-02-27 04:48:42
○ 2026-03-10 00:46:58
● 2026-03-11 09:14:32
○ 2026-03-11 12:38:08
○ 2026-03-12 01:52:16
○A13.249.182.792026-02-26 → 2026-03-11 · 7 obs
○ 2026-02-24 11:12:26
● 2026-02-26 12:07:34
○ 2026-02-27 04:48:42
○ 2026-03-10 00:46:58
● 2026-03-11 09:14:32
○ 2026-03-11 12:38:08
○ 2026-03-12 01:52:16
○A13.33.82.1052026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-07 08:02:22
● 2026-03-08 23:31:52
○ 2026-03-09 22:49:14
○ 2026-03-12 01:52:16
○A13.33.82.1162026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-07 08:02:22
● 2026-03-08 23:31:52
○ 2026-03-09 22:49:14
○ 2026-03-12 01:52:16
○A13.33.82.192026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-07 08:02:22
● 2026-03-08 23:31:52
○ 2026-03-09 22:49:14
○ 2026-03-12 01:52:16
○A13.33.82.792026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-07 08:02:22
● 2026-03-08 23:31:52
○ 2026-03-09 22:49:14
○ 2026-03-12 01:52:16
○A18.164.68.202026-03-10 → 2026-03-11 · 6 obs
○ 2026-03-09 22:49:14
● 2026-03-10 00:46:58
○ 2026-03-11 09:14:32
● 2026-03-11 12:38:08
○ 2026-03-11 23:18:32
○ 2026-03-12 01:52:16
○A18.164.68.572026-03-10 → 2026-03-11 · 6 obs
○ 2026-03-09 22:49:14
● 2026-03-10 00:46:58
○ 2026-03-11 09:14:32
● 2026-03-11 12:38:08
○ 2026-03-11 23:18:32
○ 2026-03-12 01:52:16
○A18.164.68.762026-03-10 → 2026-03-11 · 6 obs
○ 2026-03-09 22:49:14
● 2026-03-10 00:46:58
○ 2026-03-11 09:14:32
● 2026-03-11 12:38:08
○ 2026-03-11 23:18:32
○ 2026-03-12 01:52:16
○A18.164.68.82026-03-10 → 2026-03-11 · 6 obs
○ 2026-03-09 22:49:14
● 2026-03-10 00:46:58
○ 2026-03-11 09:14:32
● 2026-03-11 12:38:08
○ 2026-03-11 23:18:32
○ 2026-03-12 01:52:16
●A3.170.42.1132026-02-17 → 2026-03-12 · 11 obs
● 2026-02-17 21:11:08
● 2026-02-24 11:12:26
○ 2026-02-26 12:07:34
● 2026-02-27 04:48:42
● 2026-03-07 08:02:22
○ 2026-03-08 23:31:52
● 2026-03-09 22:49:14
○ 2026-03-10 00:46:58
○ 2026-03-11 12:38:08
● 2026-03-11 23:18:32
● 2026-03-12 01:52:16
●A3.170.42.1212026-02-17 → 2026-03-12 · 11 obs
● 2026-02-17 21:11:08
● 2026-02-24 11:12:26
○ 2026-02-26 12:07:34
● 2026-02-27 04:48:42
● 2026-03-07 08:02:22
○ 2026-03-08 23:31:52
● 2026-03-09 22:49:14
○ 2026-03-10 00:46:58
○ 2026-03-11 12:38:08
● 2026-03-11 23:18:32
● 2026-03-12 01:52:16
●A3.170.42.22026-02-17 → 2026-03-12 · 11 obs
● 2026-02-17 21:11:08
● 2026-02-24 11:12:26
○ 2026-02-26 12:07:34
● 2026-02-27 04:48:42
● 2026-03-07 08:02:22
○ 2026-03-08 23:31:52
● 2026-03-09 22:49:14
○ 2026-03-10 00:46:58
○ 2026-03-11 12:38:08
● 2026-03-11 23:18:32
● 2026-03-12 01:52:16
●A3.170.42.962026-02-17 → 2026-03-12 · 11 obs
● 2026-02-17 21:11:08
● 2026-02-24 11:12:26
○ 2026-02-26 12:07:34
● 2026-02-27 04:48:42
● 2026-03-07 08:02:22
○ 2026-03-08 23:31:52
● 2026-03-09 22:49:14
○ 2026-03-10 00:46:58
○ 2026-03-11 12:38:08
● 2026-03-11 23:18:32
● 2026-03-12 01:52:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
justsfa.comns-720.awsdns-26.net, ns-446.awsdns-55.com, ns-1962.awsdns-53.co.uk, ns-1381.awsdns-44.org1 record

✅ Authoritative Response

Server: 205.251.197.101

NS records: ns-720.awsdns-26.net, ns-446.awsdns-55.com, ns-1962.awsdns-53.co.uk, ns-1381.awsdns-44.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for justsfa.com (unsigned zone)

⏱️ Timing

Total: 343ms | Queries: -

📄 Records

TypeCountSample Data
A43.170.42.121, 3.170.42.113...
NS4ns-1381.awsdns-44.org, ns-1962.awsdns-53.co.uk...
MX2ml-relay1.justsystems.com (pri: 10), ml-relay2.justsystems.com (pri: 10)
TXT48YhFEsD8pp49wKej26evSAekkPvRRM, RfElcvZGGaggZbihlgW9hGCWgKxVwD...
SOA1ns-446.awsdns-55.com awsdns-hostmaster.a

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-446.awsdns-55.com)

Analysis

IP Addresses

justsfa.com resolves to four IP numbers: 3.170.42.2, 3.170.42.96, 3.170.42.113 and 3.170.42.121.

Other host names such as www.estavisa-org.com, bernan.com, dvqxrn8isdvul.cloudfront.net, eko.org and aidanomalley.com share IPs with justsfa.com.

Name Servers

justsfa.com is delegated to four name servers: ns-446.awsdns-55.com, ns-720.awsdns-26.net, ns-1381.awsdns-44.org and ns-1962.awsdns-53.co.uk.

justsfa.com at least partially shares name servers with other domains, for instance 79.184.15.in-addr.arpa, d2ie24tnu9i2or.cloudfront.net, fsga.me, dealerapps.io and jab.co.uk.

these name servers are commonly used with ns1-24-me-south-1.ec2-rdns.amazonaws.com, ns2-24-me-south-1.ec2-rdns.amazonaws.com, ns3-24-me-south-1.ec2-rdns.amazonaws.com and ns4-24-me-south-1.ec2-rdns.amazonaws.com.

Host names with two IP numbers: ns-446.awsdns-55.com points to 2600:9000:5301:be00::1 and 205.251.193.190; ns-720.awsdns-26.net points to 2600:9000:5302:d000::1 and 205.251.194.208; ns-1381.awsdns-44.org points to 2600:9000:5305:6500::1 and 205.251.197.101; ns-1962.awsdns-53.co.uk points to 2600:9000:5307:aa00::1 and 205.251.199.170.

Mail Servers

justsfa.com is handled by two mail servers: ml-relay1.justsystems.com and ml-relay2.justsystems.com.

The mail server setup for justsfa.com matches that of other domains, for instance aws.justsystems.com, just-db.com, iatok.com, beatjam.justsystem.co.jp and atok.com.

Host names with a single IP:

ml-relay1.justsystems.com points to 52.68.98.224.

ml-relay2.justsystems.com points to 52.68.77.221.