`siblingsystems.com`

CNAME	`d1jj8bh0wkwzj7.cloudfront.net`
DNSSEC	⚠️ Not signed
A	18.161.21.3^{🇺🇸 Amazon18.161.16.0/21}
		PTR	`server-18-161-21-3.bos50.r.cloudfront.net`
A	18.161.21.16^{🇺🇸 Amazon18.161.16.0/21}
A	18.161.21.91^{🇺🇸 Amazon18.161.16.0/21}
A	18.161.21.98^{🇺🇸 Amazon18.161.16.0/21}
NS	`ns-99.awsdns-12.com` ⭐
		A	2600:9000:5300:6300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-99.awsdns-12.com`
		A	205.251.192.99^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-99.awsdns-12.com`
NS	`ns-1366.awsdns-42.org`
		A	2600:9000:5305:5600::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1366.awsdns-42.org`
		A	205.251.197.86^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1366.awsdns-42.org`
NS	`ns-1934.awsdns-49.co.uk`
		A	2600:9000:5307:8e00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1934.awsdns-49.co.uk`
		A	205.251.199.142^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1934.awsdns-49.co.uk`
NS	`ns-514.awsdns-00.net`
		A	2600:9000:5302:200::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-514.awsdns-00.net`
		A	205.251.194.2^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-514.awsdns-00.net`
HTTPS	HTTP/2
SOA	`ns-99.awsdns-12.com`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778612551

Same first word

siblingsystems.com

DNS History

13 records (3 active, 10 former)

●NSa.share-dns.com2026-03-30 → 2026-05-12 · 3 obs

○ 2017-04-06 14:35:12
● 2026-03-30 21:38:30
● 2026-05-12 19:25:18

●NSb.share-dns.net2026-03-30 → 2026-05-12 · 3 obs

○ 2017-04-06 14:35:12
● 2026-03-30 21:38:30
● 2026-05-12 19:25:18

○NSpdns03.domaincontrol.com2015-08-07 → 2017-04-06 · 4 obs

● 2015-08-07 14:49:02
● 2017-04-06 14:35:12
○ 2026-03-30 21:38:30
○ 2026-05-12 19:25:18

○NSpdns04.domaincontrol.com2015-08-07 → 2017-04-06 · 4 obs

● 2015-08-07 14:49:02
● 2017-04-06 14:35:12
○ 2026-03-30 21:38:30
○ 2026-05-12 19:25:18

○MXalt1.aspmx.l.google.com2015-08-07 → 2017-04-06 · 4 obs

● 2015-08-07 14:49:02
● 2017-04-06 14:35:12
○ 2026-03-30 21:38:30
○ 2026-05-12 19:25:18

○MXalt2.aspmx.l.google.com2015-08-07 → 2017-04-06 · 4 obs

● 2015-08-07 14:49:02
● 2017-04-06 14:35:12
○ 2026-03-30 21:38:30
○ 2026-05-12 19:25:18

○MXaspmx.l.google.com2015-08-07 → 2017-04-06 · 4 obs

● 2015-08-07 14:49:02
● 2017-04-06 14:35:12
○ 2026-03-30 21:38:30
○ 2026-05-12 19:25:18

○MXaspmx2.googlemail.com2015-08-07 → 2017-04-06 · 4 obs

● 2015-08-07 14:49:02
● 2017-04-06 14:35:12
○ 2026-03-30 21:38:30
○ 2026-05-12 19:25:18

○MXaspmx3.googlemail.com2015-08-07 → 2017-04-06 · 4 obs

● 2015-08-07 14:49:02
● 2017-04-06 14:35:12
○ 2026-03-30 21:38:30
○ 2026-05-12 19:25:18

○MXaspmx4.googlemail.com2015-08-07 → 2017-04-06 · 4 obs

● 2015-08-07 14:49:02
● 2017-04-06 14:35:12
○ 2026-03-30 21:38:30
○ 2026-05-12 19:25:18

○MXaspmx5.googlemail.com2015-08-07 → 2017-04-06 · 4 obs

● 2015-08-07 14:49:02
● 2017-04-06 14:35:12
○ 2026-03-30 21:38:30
○ 2026-05-12 19:25:18

○A205.186.178.1212015-08-07 → 2017-04-06 · 4 obs

● 2015-08-07 14:49:02
● 2017-04-06 14:35:12
○ 2026-03-30 21:38:30
○ 2026-05-12 19:25:18

●CNAMEd1jj8bh0wkwzj7.cloudfront.net2026-03-30 → 2026-05-12 · 2 obs

● 2026-03-30 21:38:30
● 2026-05-12 19:25:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net...	-
siblingsystems.com	a.share-dns.com, b.share-dns.net	1 record

✅ Authoritative Response

Server:172.64.52.239

NS records: a.share-dns.com, b.share-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for siblingsystems.com (unsigned zone)

⏱️ Timing

Total: 2222ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`a.share-dns.com, b.share-dns.net`
CNAME	1	`d1jj8bh0wkwzj7.cloudfront.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a.share-dns.com)

Analysis

IP Addresses

siblingsystems.com points to four IP numbers: 18.161.21.3, 18.161.21.16, 18.161.21.91 and 18.161.21.98.

Name Servers

siblingsystems.com is delegated to four name servers: ns-99.awsdns-12.com, ns-514.awsdns-00.net, ns-1366.awsdns-42.org and ns-1934.awsdns-49.co.uk.

siblingsystems.com shares name servers with other domains at least partially, for example c.cloud.sabrehospitality.com, demandware-services.net, msrexpress.com, wfl.io and gloomis.com.au.

These name servers are commonly used with ns-498.awsdns-62.com, ns-984.awsdns-59.net and ns-1785.awsdns-31.co.uk.

Host names with two IP numbers:

ns-99.awsdns-12.com points to: 2600:9000:5300:6300::1 and 205.251.192.99

ns-514.awsdns-00.net points to: 2600:9000:5302:200::1 and 205.251.194.2

ns-1366.awsdns-42.org points to: 2600:9000:5305:5600::1 and 205.251.197.86

ns-1934.awsdns-49.co.uk points to: 2600:9000:5307:8e00::1 and 205.251.199.142

siblingsystems.com - robtex.com