dev.support.ef.com - dns.ninja

`dev.support.ef.com`

DNSSEC	⚠️ Not signed
A	3.162.112.41^{🇺🇸 Amazon3.162.112.0/21}
		PTR	`server-3-162-112-41.iad61.r.cloudfront.net`
A	3.162.112.48^{🇺🇸 Amazon3.162.112.0/21}
A	3.162.112.59^{🇺🇸 Amazon3.162.112.0/21}
A	3.162.112.106^{🇺🇸 Amazon3.162.112.0/21}
NS	`ns-1806.awsdns-33.co.uk` ⭐
		A	2600:9000:5307:e00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1806.awsdns-33.co.uk`
		A	205.251.199.14^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1806.awsdns-33.co.uk`
NS	`ns-1.awsdns-00.com`
		A	2600:9000:5300:100::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-1.awsdns-00.com`
		A	205.251.192.1^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-1.awsdns-00.com`
NS	`ns-1477.awsdns-56.org`
		A	2600:9000:5305:c500::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1477.awsdns-56.org`
		A	205.251.197.197^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1477.awsdns-56.org`
NS	`ns-881.awsdns-46.net`
		A	2600:9000:5303:7100::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-881.awsdns-46.net`
		A	205.251.195.113^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-881.awsdns-46.net`
SOA	`ns-1806.awsdns-33.co.uk`awsdns-hostmaster@amazon.com serial=1

`support.ef.com`

	DNSSEC	⚠️ Not signed
	A	3.167.56.34^{🇺🇸 Amazon3.167.56.0/23}
	A	3.167.56.35^{🇺🇸 Amazon3.167.56.0/23}
	A	3.167.56.95^{🇺🇸 Amazon3.167.56.0/23}
	A	3.167.56.121^{🇺🇸 Amazon3.167.56.0/23}
	NS	`ns-1096.awsdns-09.org` ⭐
	NS	`ns-1980.awsdns-55.co.uk`
	NS	`ns-409.awsdns-51.com`
	NS	`ns-520.awsdns-01.net`
	SOA	`ns-1096.awsdns-09.org`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (76/100)
WOT: SAFE (88/100)

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DNS History

28 records (8 active, 20 former)

●NSns-1.awsdns-00.com2026-07-29 → 2026-08-03 · 2 obs

● 2026-07-29 06:41:20
● 2026-08-03 06:31:26

●NSns-1477.awsdns-56.org2026-07-29 → 2026-08-03 · 2 obs

● 2026-07-29 06:41:20
● 2026-08-03 06:31:26

●NSns-1806.awsdns-33.co.uk2026-07-29 → 2026-08-03 · 2 obs

● 2026-07-29 06:41:20
● 2026-08-03 06:31:26

●NSns-881.awsdns-46.net2026-07-29 → 2026-08-03 · 2 obs

● 2026-07-29 06:41:20
● 2026-08-03 06:31:26

○A13.35.107.1022026-07-30 → 2026-07-30 · 4 obs

○ 2026-07-29 11:06:54
● 2026-07-30 09:19:44
○ 2026-08-02 14:49:00
○ 2026-08-03 06:31:26

○A13.35.107.1182026-07-30 → 2026-07-30 · 4 obs

○ 2026-07-29 11:06:54
● 2026-07-30 09:19:44
○ 2026-08-02 14:49:00
○ 2026-08-03 06:31:26

○A13.35.107.832026-07-30 → 2026-07-30 · 4 obs

○ 2026-07-29 11:06:54
● 2026-07-30 09:19:44
○ 2026-08-02 14:49:00
○ 2026-08-03 06:31:26

○A13.35.107.972026-07-30 → 2026-07-30 · 4 obs

○ 2026-07-29 11:06:54
● 2026-07-30 09:19:44
○ 2026-08-02 14:49:00
○ 2026-08-03 06:31:26

○A18.161.34.312026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-02 14:49:00
● 2026-08-02 20:17:58
○ 2026-08-02 22:56:56
○ 2026-08-03 06:31:26

○A18.161.34.432026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-02 14:49:00
● 2026-08-02 20:17:58
○ 2026-08-02 22:56:56
○ 2026-08-03 06:31:26

○A18.161.34.472026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-02 14:49:00
● 2026-08-02 20:17:58
○ 2026-08-02 22:56:56
○ 2026-08-03 06:31:26

○A18.161.34.792026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-02 14:49:00
● 2026-08-02 20:17:58
○ 2026-08-02 22:56:56
○ 2026-08-03 06:31:26

●A3.162.112.1062026-08-03 → 2026-08-03 · 3 obs

○ 2026-08-02 22:56:56
● 2026-08-03 02:19:04
● 2026-08-03 06:31:26

●A3.162.112.412026-08-03 → 2026-08-03 · 3 obs

○ 2026-08-02 22:56:56
● 2026-08-03 02:19:04
● 2026-08-03 06:31:26

●A3.162.112.482026-08-03 → 2026-08-03 · 3 obs

○ 2026-08-02 22:56:56
● 2026-08-03 02:19:04
● 2026-08-03 06:31:26

●A3.162.112.592026-08-03 → 2026-08-03 · 3 obs

○ 2026-08-02 22:56:56
● 2026-08-03 02:19:04
● 2026-08-03 06:31:26

○A3.174.83.1082026-08-02 → 2026-08-02 · 6 obs

○ 2026-07-30 09:19:44
● 2026-08-02 14:49:00
○ 2026-08-02 20:17:58
● 2026-08-02 22:56:56
○ 2026-08-03 02:19:04
○ 2026-08-03 06:31:26

○A3.174.83.1262026-08-02 → 2026-08-02 · 6 obs

○ 2026-07-30 09:19:44
● 2026-08-02 14:49:00
○ 2026-08-02 20:17:58
● 2026-08-02 22:56:56
○ 2026-08-03 02:19:04
○ 2026-08-03 06:31:26

○A3.174.83.542026-08-02 → 2026-08-02 · 6 obs

○ 2026-07-30 09:19:44
● 2026-08-02 14:49:00
○ 2026-08-02 20:17:58
● 2026-08-02 22:56:56
○ 2026-08-03 02:19:04
○ 2026-08-03 06:31:26

○A3.174.83.562026-08-02 → 2026-08-02 · 6 obs

○ 2026-07-30 09:19:44
● 2026-08-02 14:49:00
○ 2026-08-02 20:17:58
● 2026-08-02 22:56:56
○ 2026-08-03 02:19:04
○ 2026-08-03 06:31:26

○A54.230.253.1062026-07-29 → 2026-07-29 · 4 obs

○ 2026-07-29 06:41:20
● 2026-07-29 11:06:54
○ 2026-07-30 09:19:44
○ 2026-08-03 06:31:26

○A54.230.253.312026-07-29 → 2026-07-29 · 4 obs

○ 2026-07-29 06:41:20
● 2026-07-29 11:06:54
○ 2026-07-30 09:19:44
○ 2026-08-03 06:31:26

○A54.230.253.62026-07-29 → 2026-07-29 · 4 obs

○ 2026-07-29 06:41:20
● 2026-07-29 11:06:54
○ 2026-07-30 09:19:44
○ 2026-08-03 06:31:26

○A54.230.253.602026-07-29 → 2026-07-29 · 4 obs

○ 2026-07-29 06:41:20
● 2026-07-29 11:06:54
○ 2026-07-30 09:19:44
○ 2026-08-03 06:31:26

○A99.84.41.1002026-07-29 → 2026-07-29 · 3 obs

● 2026-07-29 06:41:20
○ 2026-07-29 11:06:54
○ 2026-08-03 06:31:26

○A99.84.41.242026-07-29 → 2026-07-29 · 3 obs

● 2026-07-29 06:41:20
○ 2026-07-29 11:06:54
○ 2026-08-03 06:31:26

○A99.84.41.782026-07-29 → 2026-07-29 · 3 obs

● 2026-07-29 06:41:20
○ 2026-07-29 11:06:54
○ 2026-08-03 06:31:26

○A99.84.41.92026-07-29 → 2026-07-29 · 3 obs

● 2026-07-29 06:41:20
○ 2026-07-29 11:06:54
○ 2026-08-03 06:31:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...	-
ef.com	tricia.ns.cloudflare.com, jihoon.ns.cloudflare.com	12 records
support.ef.com	ns-1096.awsdns-09.org, ns-1980.awsdns-55.co.uk, ns-409.awsdns-51.com, ns-520.awsdns-01.net	-
dev.support.ef.com	ns-1.awsdns-00.com, ns-1477.awsdns-56.org, ns-1806.awsdns-33.co.uk, ns-881.awsdns-46.net	-

✅ Authoritative Response

Server:205.251.195.113

NS records: ns-1.awsdns-00.com, ns-1477.awsdns-56.org, ns-1806.awsdns-33.co.uk, ns-881.awsdns-46.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ef.com (unsigned zone)

⏱️ Timing

Total: 811ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.162.112.41, 3.162.112.106...`
NS	4	`ns-1.awsdns-00.com, ns-1477.awsdns-56.org...`
SOA	1	`ns-1806.awsdns-33.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (tricia.ns.cloudflare.com, tricia.ns.cloudflare.com, tricia.ns.cloudflare.com...)

Analysis

IP Addresses

dev.support.ef.com has four IP addresses: 3.162.112.41, 3.162.112.48, 3.162.112.59 and 3.162.112.106.

kitchenstories.com, fourwallidea.com, breast-thyroid.com plus two other host names have IP numbers in common with dev.support.ef.com.

Name Servers

Four name servers handle the delegation for dev.support.ef.com: ns-1.awsdns-00.com, ns-881.awsdns-46.net, ns-1477.awsdns-56.org and ns-1806.awsdns-33.co.uk.

dev.support.ef.com has at least partial name server overlap with other domains, such as dorqowf0sffgq.cloudfront.net, mdr.to, rocdesign.cl and two others.

ns-1.awsdns-00.com, ns-881.awsdns-46.net, ns-1477.awsdns-56.org and ns-1806.awsdns-33.co.uk all point to exactly two IP numbers each: ns-1.awsdns-00.com → 205.251.192.1 and 2600:9000:5300:100::1; ns-881.awsdns-46.net → 205.251.195.113 and 2600:9000:5303:7100::1; ns-1477.awsdns-56.org → 205.251.197.197 and 2600:9000:5305:c500::1; ns-1806.awsdns-33.co.uk → 205.251.199.14 and 2600:9000:5307:e00::1.