upgrad.dev - dns.ninja

`upgrad.dev`

DNSSEC	🔒 Signed (DS record present)
A	3.166.192.20^{🇺🇸 Amazon3.166.192.0/21}
		PTR	`server-3-166-192-20.phl51.r.cloudfront.net`
A	3.166.192.74^{🇺🇸 Amazon3.166.192.0/21}
A	3.166.192.77^{🇺🇸 Amazon3.166.192.0/21}
A	3.166.192.90^{🇺🇸 Amazon3.166.192.0/21}
NS	`ns-1641.awsdns-13.co.uk` ⭐
		A	2600:9000:5306:6900::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1641.awsdns-13.co.uk`
		A	205.251.198.105^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1641.awsdns-13.co.uk`
NS	`ns-1016.awsdns-63.net`
		A	2600:9000:5303:f800::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-1016.awsdns-63.net`
		A	205.251.195.248^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-1016.awsdns-63.net`
NS	`ns-1435.awsdns-51.org`
		A	2600:9000:5305:9b00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1435.awsdns-51.org`
		A	205.251.197.155^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1435.awsdns-51.org`
NS	`ns-253.awsdns-31.com`
		A	2600:9000:5300:fd00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-253.awsdns-31.com`
		A	205.251.192.253^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-253.awsdns-31.com`
TXT	`ca3-9f1fc4821c8e493cb3885dbd6bcc78b6`
TXT	`ca3-fff11f05b50a44e49a6b4569ab6d01d7`
TXT	`google-site-verification=Aq0-iiLE9o0CkVuuv9v2_DmfOV1RrqqhFO3bHi074T8`
TXT	`v=spf1 include:_s00802633.autospf.email ~all`
SOA	`ns-1641.awsdns-13.co.uk`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

upgrad.eu

upgrad.dev

upgrad.in

upgrad.es

upgrad.com

upgrad.ru

upgrad.live

upgrad.id

upgrad.net

upgrad.de

upgrad.edu.vn

upgrad.fr

Similar names

gardup.at

pguard.de

grupad.net

gradup.com

dragup.com

rugpad.xyz

upgard.com

updrag.com

pardug.com

grupad.pl

padrug.com

rugpad.com

ragdup.com

pugrad.com

adgrup.com

gardup.com

DNS History

76 records (8 active, 68 former)

●NSns-1016.awsdns-63.net2026-02-15 → 2026-08-01 · 2 obs

● 2026-02-15 17:49:56
● 2026-08-01 07:39:56

●NSns-1435.awsdns-51.org2026-02-15 → 2026-08-01 · 2 obs

● 2026-02-15 17:49:56
● 2026-08-01 07:39:56

●NSns-1641.awsdns-13.co.uk2026-02-15 → 2026-08-01 · 2 obs

● 2026-02-15 17:49:56
● 2026-08-01 07:39:56

●NSns-253.awsdns-31.com2026-02-15 → 2026-08-01 · 2 obs

● 2026-02-15 17:49:56
● 2026-08-01 07:39:56

○A108.158.194.1292026-04-29 → 2026-05-25 · 18 obs

○ 2026-04-01 09:52:48
● 2026-04-29 02:50:26
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○ 2026-08-01 07:39:56

○A108.158.194.242026-04-29 → 2026-05-25 · 18 obs

○A108.158.194.362026-04-29 → 2026-05-25 · 18 obs

○A108.158.194.42026-04-29 → 2026-05-25 · 18 obs

○A13.32.16.102026-06-12 → 2026-07-31 · 29 obs

○ 2026-06-12 18:09:56
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○ 2026-08-01 07:39:56

○A13.32.16.122026-06-12 → 2026-07-31 · 29 obs

○A13.32.16.202026-06-12 → 2026-07-31 · 29 obs

○A13.32.16.302026-06-12 → 2026-07-31 · 29 obs

○A13.32.230.1172026-02-15 → 2026-07-31 · 55 obs

● 2026-02-15 17:49:56
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● 2026-07-29 11:47:02
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● 2026-07-31 10:59:08
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○ 2026-08-01 07:39:56

○A13.32.230.252026-02-15 → 2026-07-31 · 55 obs

○A13.32.230.332026-02-15 → 2026-07-31 · 55 obs

○A13.32.230.772026-02-15 → 2026-07-31 · 55 obs

○A13.33.109.1252026-05-12 → 2026-05-19 · 7 obs

○ 2026-05-11 07:27:50
● 2026-05-12 01:36:32
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○ 2026-08-01 07:39:56

○A13.33.109.242026-05-12 → 2026-05-19 · 7 obs

○ 2026-05-11 07:27:50
● 2026-05-12 01:36:32
○ 2026-05-12 02:21:46
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● 2026-05-19 15:42:32
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○ 2026-08-01 07:39:56

○A13.33.109.252026-05-12 → 2026-05-19 · 7 obs

○ 2026-05-11 07:27:50
● 2026-05-12 01:36:32
○ 2026-05-12 02:21:46
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● 2026-05-19 15:42:32
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○ 2026-08-01 07:39:56

○A13.33.109.572026-05-12 → 2026-05-19 · 7 obs

○ 2026-05-11 07:27:50
● 2026-05-12 01:36:32
○ 2026-05-12 02:21:46
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● 2026-05-19 15:42:32
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○ 2026-08-01 07:39:56

○A13.33.235.1012026-07-14 → 2026-07-16 · 6 obs

○ 2026-07-14 07:20:26
● 2026-07-14 09:01:32
○ 2026-07-14 13:02:58
● 2026-07-16 02:25:50
○ 2026-07-16 07:57:18
○ 2026-08-01 07:39:56

○A13.33.235.492026-07-14 → 2026-07-16 · 6 obs

○ 2026-07-14 07:20:26
● 2026-07-14 09:01:32
○ 2026-07-14 13:02:58
● 2026-07-16 02:25:50
○ 2026-07-16 07:57:18
○ 2026-08-01 07:39:56

○A13.33.235.862026-07-14 → 2026-07-16 · 6 obs

○ 2026-07-14 07:20:26
● 2026-07-14 09:01:32
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● 2026-07-16 02:25:50
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○ 2026-08-01 07:39:56

○A13.33.235.872026-07-14 → 2026-07-16 · 6 obs

○ 2026-07-14 07:20:26
● 2026-07-14 09:01:32
○ 2026-07-14 13:02:58
● 2026-07-16 02:25:50
○ 2026-07-16 07:57:18
○ 2026-08-01 07:39:56

○A13.33.82.652026-04-29 → 2026-05-03 · 10 obs

○ 2026-04-29 02:50:26
● 2026-04-29 04:20:12
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○A13.33.82.662026-04-29 → 2026-05-03 · 10 obs

○A13.33.82.892026-04-29 → 2026-05-03 · 10 obs

○A13.33.82.952026-04-29 → 2026-05-03 · 10 obs

○A18.155.21.442026-05-29 → 2026-06-10 · 19 obs

○ 2026-05-29 01:39:36
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○A18.155.21.542026-05-29 → 2026-06-10 · 19 obs

○A18.155.21.582026-05-29 → 2026-06-10 · 19 obs

○A18.155.21.892026-05-29 → 2026-06-10 · 19 obs

○A18.160.225.1202026-05-19 → 2026-07-01 · 45 obs

○ 2026-05-19 01:06:34
● 2026-05-19 10:46:36
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○ 2026-08-01 07:39:56

○A18.160.225.732026-05-19 → 2026-07-01 · 45 obs

○A18.160.225.762026-05-19 → 2026-07-01 · 45 obs

○A18.160.225.872026-05-19 → 2026-07-01 · 45 obs

○A18.164.144.182026-06-02 → 2026-06-04 · 8 obs

○ 2026-06-01 19:21:20
● 2026-06-02 04:28:42
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○A18.164.144.552026-06-02 → 2026-06-04 · 8 obs

○ 2026-06-01 19:21:20
● 2026-06-02 04:28:42
○ 2026-06-02 09:36:42
○ 2026-06-04 07:19:54
● 2026-06-04 08:10:28
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○A18.164.144.582026-06-02 → 2026-06-04 · 8 obs

○ 2026-06-01 19:21:20
● 2026-06-02 04:28:42
○ 2026-06-02 09:36:42
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● 2026-06-04 08:10:28
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○A18.164.144.862026-06-02 → 2026-06-04 · 8 obs

○ 2026-06-01 19:21:20
● 2026-06-02 04:28:42
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○A18.244.179.1252026-02-15 → 2026-05-12 · 51 obs

○ 2026-02-15 17:49:56
● 2026-02-15 23:33:24
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○ 2026-08-01 07:39:56

○A18.244.179.342026-02-15 → 2026-05-12 · 51 obs

○A18.244.179.392026-02-15 → 2026-05-12 · 51 obs

○A18.244.179.772026-02-15 → 2026-05-12 · 51 obs

○A3.163.83.102026-06-26 → 2026-07-30 · 20 obs

○ 2026-06-26 10:12:22
● 2026-06-26 19:45:30
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○ 2026-08-01 07:39:56

○A3.163.83.562026-06-26 → 2026-07-30 · 20 obs

○A3.163.83.692026-06-26 → 2026-07-30 · 20 obs

○A3.163.83.862026-06-26 → 2026-07-30 · 20 obs

●A3.166.192.202026-07-14 → 2026-08-01 · 19 obs

○ 2026-07-10 12:19:54
● 2026-07-14 03:02:52
○ 2026-07-14 07:20:26
● 2026-07-14 13:02:58
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● 2026-08-01 07:39:56

●A3.166.192.742026-07-14 → 2026-08-01 · 19 obs

●A3.166.192.772026-07-14 → 2026-08-01 · 19 obs

●A3.166.192.902026-07-14 → 2026-08-01 · 19 obs

○A3.170.19.1092026-06-12 → 2026-06-12 · 5 obs

○ 2026-06-11 20:09:06
● 2026-06-12 15:14:28
● 2026-06-12 18:09:56
○ 2026-06-12 19:06:16
○ 2026-08-01 07:39:56

○A3.170.19.252026-06-12 → 2026-06-12 · 5 obs

○ 2026-06-11 20:09:06
● 2026-06-12 15:14:28
● 2026-06-12 18:09:56
○ 2026-06-12 19:06:16
○ 2026-08-01 07:39:56

○A3.170.19.532026-06-12 → 2026-06-12 · 5 obs

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○A3.170.19.732026-06-12 → 2026-06-12 · 5 obs

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○A3.170.3.1072026-02-17 → 2026-07-03 · 61 obs

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○A3.170.3.192026-02-17 → 2026-07-03 · 61 obs

○A3.170.3.542026-02-17 → 2026-07-03 · 61 obs

○A3.170.3.702026-02-17 → 2026-07-03 · 61 obs

○A3.174.59.1082026-05-03 → 2026-07-24 · 20 obs

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○A52.85.47.302026-03-26 → 2026-06-30 · 34 obs

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○A54.240.184.1162026-07-27 → 2026-07-27 · 4 obs

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○A54.240.184.952026-07-27 → 2026-07-27 · 4 obs

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○A99.86.20.242026-05-28 → 2026-05-28 · 5 obs

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○A99.86.20.612026-05-28 → 2026-05-28 · 5 obs

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○A99.86.20.732026-05-28 → 2026-05-28 · 5 obs

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○A99.86.20.902026-05-28 → 2026-05-28 · 5 obs

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
upgrad.dev	ns-1435.awsdns-51.org, ns-253.awsdns-31.com, ns-1641.awsdns-13.co.uk, ns-1016.awsdns-63.net	-

✅ Authoritative Response

Server:205.251.195.248

NS records: ns-1435.awsdns-51.org, ns-253.awsdns-31.com, ns-1641.awsdns-13.co.uk, ns-1016.awsdns-63.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1779ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.166.192.74, 3.166.192.90...`
NS	4	`ns-1016.awsdns-63.net, ns-1435.awsdns-51.org...`
TXT	4	`ca3-9f1fc4821c8e493cb3885dbd6bcc78b6, ca3-fff11f05b50a44e49a6b4569ab6d01d7...`
SOA	1	`ns-1641.awsdns-13.co.uk awsdns-hostmaste`

Analysis

IP Addresses

upgrad.dev resolves to four IP addresses: 3.166.192.20, 3.166.192.74, 3.166.192.77 and 3.166.192.90.

Additional host names — www.onlinehuntingauctions.com, www.music.com, in.cleanipedia.io and two others — share IP numbers with upgrad.dev.

Name Servers

upgrad.dev has four authoritative name servers: ns-253.awsdns-31.com, ns-1016.awsdns-63.net, ns-1435.awsdns-51.org and ns-1641.awsdns-13.co.uk.

upgrad.dev shares at least some of its name servers with other domains, including d20yxc35iymvwb.cloudfront.net, bingoblitzvip.com, d182elrm6ad63w.cloudfront.net and two others.

These name servers are frequently seen alongside the name servers ns-277.awsdns-34.com.

The host names ns-253.awsdns-31.com, ns-1016.awsdns-63.net, ns-1435.awsdns-51.org and ns-1641.awsdns-13.co.uk each resolve to two IP addresses: ns-253.awsdns-31.com resolves to 205.251.192.253 and 2600:9000:5300:fd00::1; ns-1016.awsdns-63.net resolves to 205.251.195.248 and 2600:9000:5303:f800::1; ns-1435.awsdns-51.org resolves to 205.251.197.155 and 2600:9000:5305:9b00::1; ns-1641.awsdns-13.co.uk resolves to 205.251.198.105 and 2600:9000:5306:6900::1.