`jcon.dev`

DNSSEC	⚠️ Not signed
A	3.167.112.14^{🇺🇸 Amazon3.167.112.0/21}
		PTR	`server-3-167-112-14.iad55.r.cloudfront.net`
A	3.167.112.30^{🇺🇸 Amazon3.167.112.0/21}
A	3.167.112.45^{🇺🇸 Amazon3.167.112.0/21}
A	3.167.112.109^{🇺🇸 Amazon3.167.112.0/21}
NS	`ns-98.awsdns-12.com` ⭐
		A	2600:9000:5300:6200::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-98.awsdns-12.com`
		A	205.251.192.98^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-98.awsdns-12.com`
NS	`ns-1273.awsdns-31.org`
		A	2600:9000:5304:f900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1273.awsdns-31.org`
		A	205.251.196.249^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1273.awsdns-31.org`
NS	`ns-1808.awsdns-34.co.uk`
		A	2600:9000:5307:1000::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1808.awsdns-34.co.uk`
		A	205.251.199.16^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1808.awsdns-34.co.uk`
NS	`ns-990.awsdns-59.net`
		A	2600:9000:5303:de00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-990.awsdns-59.net`
		A	205.251.195.222^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-990.awsdns-59.net`
SOA	`ns-98.awsdns-12.com`awsdns-hostmaster@amazon.com serial=1

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

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DNS History

44 records (8 active, 36 former)

●NSns-1273.awsdns-31.org2026-06-29 → 2026-08-04 · 2 obs

● 2026-06-29 08:36:24
● 2026-08-04 01:05:08

●NSns-1808.awsdns-34.co.uk2026-06-29 → 2026-08-04 · 2 obs

● 2026-06-29 08:36:24
● 2026-08-04 01:05:08

●NSns-98.awsdns-12.com2026-06-29 → 2026-08-04 · 2 obs

● 2026-06-29 08:36:24
● 2026-08-04 01:05:08

●NSns-990.awsdns-59.net2026-06-29 → 2026-08-04 · 2 obs

● 2026-06-29 08:36:24
● 2026-08-04 01:05:08

○A108.156.22.1232026-07-15 → 2026-07-19 · 6 obs

○ 2026-07-15 11:46:00
● 2026-07-15 17:38:48
○ 2026-07-16 00:58:14
● 2026-07-19 03:53:56
○ 2026-07-19 15:28:22
○ 2026-08-04 01:05:08

○A108.156.22.202026-07-15 → 2026-07-19 · 6 obs

○ 2026-07-15 11:46:00
● 2026-07-15 17:38:48
○ 2026-07-16 00:58:14
● 2026-07-19 03:53:56
○ 2026-07-19 15:28:22
○ 2026-08-04 01:05:08

○A108.156.22.472026-07-15 → 2026-07-19 · 6 obs

○ 2026-07-15 11:46:00
● 2026-07-15 17:38:48
○ 2026-07-16 00:58:14
● 2026-07-19 03:53:56
○ 2026-07-19 15:28:22
○ 2026-08-04 01:05:08

○A108.156.22.942026-07-15 → 2026-07-19 · 6 obs

○ 2026-07-15 11:46:00
● 2026-07-15 17:38:48
○ 2026-07-16 00:58:14
● 2026-07-19 03:53:56
○ 2026-07-19 15:28:22
○ 2026-08-04 01:05:08

○A13.35.107.1012026-07-12 → 2026-08-01 · 26 obs

○ 2026-07-02 21:10:58
● 2026-07-12 20:34:30
○ 2026-07-13 19:54:52
● 2026-07-15 09:38:42
○ 2026-07-15 11:46:00
● 2026-07-16 10:40:42
○ 2026-07-18 09:59:24
● 2026-07-19 00:36:34
○ 2026-07-19 03:53:56
● 2026-07-23 16:51:12
○ 2026-07-24 03:30:42
● 2026-07-25 23:02:10
○ 2026-07-26 08:57:28
● 2026-07-26 10:59:26
○ 2026-07-26 20:09:04
● 2026-07-29 01:04:38
○ 2026-07-29 03:55:36
● 2026-07-30 02:55:12
○ 2026-07-30 16:02:44
● 2026-07-31 02:08:58
○ 2026-07-31 15:01:52
● 2026-08-01 01:21:34
○ 2026-08-01 04:24:34
● 2026-08-01 17:21:34
○ 2026-08-02 12:26:42
○ 2026-08-04 01:05:08

○A13.35.107.152026-07-12 → 2026-08-01 · 26 obs

○A13.35.107.202026-07-12 → 2026-08-01 · 26 obs

○A13.35.107.552026-07-12 → 2026-08-01 · 26 obs

○A18.160.78.1262026-07-01 → 2026-07-30 · 12 obs

○ 2026-07-01 12:26:56
● 2026-07-01 23:14:28
○ 2026-07-02 21:10:58
● 2026-07-28 06:28:26
○ 2026-07-29 01:04:38
● 2026-07-29 03:55:36
○ 2026-07-29 07:26:36
● 2026-07-29 15:56:52
○ 2026-07-30 02:55:12
● 2026-07-30 16:02:44
○ 2026-07-31 01:00:12
○ 2026-08-04 01:05:08

○A18.160.78.192026-07-01 → 2026-07-30 · 12 obs

○A18.160.78.282026-07-01 → 2026-07-30 · 12 obs

○A18.160.78.792026-07-01 → 2026-07-30 · 12 obs

○A18.164.154.1052026-07-20 → 2026-08-02 · 10 obs

○ 2026-07-19 15:28:22
● 2026-07-20 21:50:04
○ 2026-07-21 05:04:04
● 2026-07-29 07:26:36
○ 2026-07-29 15:56:52
● 2026-08-01 07:49:28
○ 2026-08-01 15:33:20
● 2026-08-02 22:53:26
○ 2026-08-03 23:57:06
○ 2026-08-04 01:05:08

○A18.164.154.1172026-07-20 → 2026-08-02 · 10 obs

○A18.164.154.232026-07-20 → 2026-08-02 · 10 obs

○A18.164.154.502026-07-20 → 2026-08-02 · 10 obs

○A18.164.52.1152026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-25 23:02:10
● 2026-07-26 08:57:28
○ 2026-07-26 10:59:26
○ 2026-08-04 01:05:08

○A18.164.52.572026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-25 23:02:10
● 2026-07-26 08:57:28
○ 2026-07-26 10:59:26
○ 2026-08-04 01:05:08

○A18.164.52.662026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-25 23:02:10
● 2026-07-26 08:57:28
○ 2026-07-26 10:59:26
○ 2026-08-04 01:05:08

○A18.164.52.872026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-25 23:02:10
● 2026-07-26 08:57:28
○ 2026-07-26 10:59:26
○ 2026-08-04 01:05:08

○A18.239.183.202026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-01 17:21:34
● 2026-08-02 12:26:42
○ 2026-08-02 17:20:44
○ 2026-08-04 01:05:08

○A18.239.183.602026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-01 17:21:34
● 2026-08-02 12:26:42
○ 2026-08-02 17:20:44
○ 2026-08-04 01:05:08

○A18.239.183.932026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-01 17:21:34
● 2026-08-02 12:26:42
○ 2026-08-02 17:20:44
○ 2026-08-04 01:05:08

○A18.239.183.962026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-01 17:21:34
● 2026-08-02 12:26:42
○ 2026-08-02 17:20:44
○ 2026-08-04 01:05:08

○A18.244.124.272026-06-30 → 2026-06-30 · 4 obs

○ 2026-06-29 08:36:24
● 2026-06-30 14:11:52
○ 2026-07-01 12:26:56
○ 2026-08-04 01:05:08

○A18.244.124.652026-06-30 → 2026-06-30 · 4 obs

○ 2026-06-29 08:36:24
● 2026-06-30 14:11:52
○ 2026-07-01 12:26:56
○ 2026-08-04 01:05:08

○A18.244.124.902026-06-30 → 2026-06-30 · 4 obs

○ 2026-06-29 08:36:24
● 2026-06-30 14:11:52
○ 2026-07-01 12:26:56
○ 2026-08-04 01:05:08

○A18.244.124.952026-06-30 → 2026-06-30 · 4 obs

○ 2026-06-29 08:36:24
● 2026-06-30 14:11:52
○ 2026-07-01 12:26:56
○ 2026-08-04 01:05:08

○A18.64.174.1232026-07-01 → 2026-08-02 · 32 obs

○ 2026-06-30 14:11:52
● 2026-07-01 12:26:56
○ 2026-07-01 23:14:28
● 2026-07-02 21:10:58
○ 2026-07-12 20:34:30
● 2026-07-13 19:54:52
○ 2026-07-15 09:38:42
● 2026-07-15 11:46:00
○ 2026-07-15 17:38:48
● 2026-07-16 00:58:14
○ 2026-07-16 10:40:42
● 2026-07-18 09:59:24
○ 2026-07-19 00:36:34
● 2026-07-19 15:28:22
○ 2026-07-20 21:50:04
● 2026-07-21 05:04:04
○ 2026-07-23 16:51:12
● 2026-07-24 03:30:42
○ 2026-07-25 23:02:10
● 2026-07-26 20:09:04
○ 2026-07-28 06:28:26
● 2026-07-31 01:00:12
○ 2026-07-31 02:08:58
● 2026-07-31 15:01:52
○ 2026-08-01 01:21:34
● 2026-08-01 04:24:34
○ 2026-08-01 07:49:28
● 2026-08-01 15:33:20
○ 2026-08-01 17:21:34
● 2026-08-02 17:20:44
○ 2026-08-02 22:53:26
○ 2026-08-04 01:05:08

○A18.64.174.532026-07-01 → 2026-08-02 · 32 obs

○A18.64.174.902026-07-01 → 2026-08-02 · 32 obs

○A18.64.174.922026-07-01 → 2026-08-02 · 32 obs

●A3.167.112.1092026-08-03 → 2026-08-04 · 3 obs

○ 2026-08-02 22:53:26
● 2026-08-03 23:57:06
● 2026-08-04 01:05:08

●A3.167.112.142026-08-03 → 2026-08-04 · 3 obs

○ 2026-08-02 22:53:26
● 2026-08-03 23:57:06
● 2026-08-04 01:05:08

●A3.167.112.302026-08-03 → 2026-08-04 · 3 obs

○ 2026-08-02 22:53:26
● 2026-08-03 23:57:06
● 2026-08-04 01:05:08

●A3.167.112.452026-08-03 → 2026-08-04 · 3 obs

○ 2026-08-02 22:53:26
● 2026-08-03 23:57:06
● 2026-08-04 01:05:08

○A3.171.61.1072026-06-29 → 2026-06-29 · 3 obs

● 2026-06-29 08:36:24
○ 2026-06-30 14:11:52
○ 2026-08-04 01:05:08

○A3.171.61.192026-06-29 → 2026-06-29 · 3 obs

● 2026-06-29 08:36:24
○ 2026-06-30 14:11:52
○ 2026-08-04 01:05:08

○A3.171.61.872026-06-29 → 2026-06-29 · 3 obs

● 2026-06-29 08:36:24
○ 2026-06-30 14:11:52
○ 2026-08-04 01:05:08

○A3.171.61.892026-06-29 → 2026-06-29 · 3 obs

● 2026-06-29 08:36:24
○ 2026-06-30 14:11:52
○ 2026-08-04 01:05:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
jcon.dev	ns-1808.awsdns-34.co.uk, ns-990.awsdns-59.net, ns-1273.awsdns-31.org, ns-98.awsdns-12.com	-

✅ Authoritative Response

Server:205.251.199.16

NS records: ns-1808.awsdns-34.co.uk, ns-990.awsdns-59.net, ns-1273.awsdns-31.org, ns-98.awsdns-12.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jcon.dev (unsigned zone)

⏱️ Timing

Total: 634ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.167.112.30, 3.167.112.109...`
NS	4	`ns-1273.awsdns-31.org, ns-1808.awsdns-34.co.uk...`
SOA	1	`ns-98.awsdns-12.com awsdns-hostmaster.am`

Analysis

IP Addresses

jcon.dev has four IP addresses: 3.167.112.14, 3.167.112.30, 3.167.112.45 and 3.167.112.109.

Among the host names that share IP numbers with jcon.dev are smart-darmstadt.de, app.cloudthread.io, havaswwriyadh.wetransfer.com and two others.

Name Servers

The domain jcon.dev is delegated to these four name servers: ns-98.awsdns-12.com, ns-990.awsdns-59.net, ns-1273.awsdns-31.org and ns-1808.awsdns-34.co.uk.

jcon.dev has at least partial name server overlap with other domains, such as pressgazette.co.uk, schooltransit.net, d3bdf93b2cvnq8.cloudfront.net and two others.

ns-98.awsdns-12.com, ns-990.awsdns-59.net, ns-1273.awsdns-31.org and ns-1808.awsdns-34.co.uk all point to exactly two IP numbers each: ns-98.awsdns-12.com → 205.251.192.98 and 2600:9000:5300:6200::1; ns-990.awsdns-59.net → 205.251.195.222 and 2600:9000:5303:de00::1; ns-1273.awsdns-31.org → 205.251.196.249 and 2600:9000:5304:f900::1; ns-1808.awsdns-34.co.uk → 205.251.199.16 and 2600:9000:5307:1000::1.

jcon.dev - robtex.com

jcon.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`jcon.dev`

`dev`