`planetalumni.net`

DNSSEC	⚠️ Not signed
A	139.146.146.195^{🇺🇸 LIGHTEDGE-AS-02139.146.128.0/17 AS21591 proxy-registered route by Cogent}
A	139.146.146.196^{🇺🇸 LIGHTEDGE-AS-02139.146.128.0/17 AS21591 proxy-registered route by Cogent}
A	139.146.146.250^{🇺🇸 LIGHTEDGE-AS-02139.146.128.0/17 AS21591 proxy-registered route by Cogent}
NS	`ns-809.awsdns-37.net` ⭐
		A	2600:9000:5303:2900::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-809.awsdns-37.net`
		A	205.251.195.41^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-809.awsdns-37.net`
NS	`ns-1243.awsdns-27.org`
		A	2600:9000:5304:db00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1243.awsdns-27.org`
		A	205.251.196.219^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1243.awsdns-27.org`
NS	`ns-1893.awsdns-44.co.uk`
		A	2600:9000:5307:6500::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1893.awsdns-44.co.uk`
		A	205.251.199.101^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1893.awsdns-44.co.uk`
NS	`ns-394.awsdns-49.com`
		A	2600:9000:5301:8a00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-394.awsdns-49.com`
		A	205.251.193.138^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-394.awsdns-49.com`
MX	`mail.planetalumni.net` ⭐
		A	139.146.146.251^{🇺🇸 LIGHTEDGE-AS-02139.146.128.0/17 AS21591 proxy-registered route by Cogent}
			PTR	`mail.alum.prepforprep.org`
SOA	`ns-809.awsdns-37.net`awsdns-hostmaster@amazon.com serial=1

`net`

	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=1776108847

Subdomains

mail.planetalumni.net

Same first word

planetalumni.net

planetalumni.com

Similar names

platinumlane.co.uk

DNS History

15 records (8 active, 7 former)

○NSa.ns.mtgsy.com2015-06-08 → 2018-01-22 · 4 obs

○ 2007-08-15 12:36:30
● 2015-06-08 17:00:10
● 2018-01-22 01:01:56
○ 2026-04-13 19:39:38

○NSdns0.mtgsy.com2015-06-08 → 2018-01-22 · 4 obs

○ 2007-08-15 12:36:30
● 2015-06-08 17:00:10
● 2018-01-22 01:01:56
○ 2026-04-13 19:39:38

○NSdns1.name-s.net2015-06-08 → 2018-01-22 · 4 obs

○ 2007-08-15 12:36:30
● 2015-06-08 17:00:10
● 2018-01-22 01:01:56
○ 2026-04-13 19:39:38

○NSdns2.name-s.net2015-06-08 → 2018-01-22 · 4 obs

○ 2007-08-15 12:36:30
● 2015-06-08 17:00:10
● 2018-01-22 01:01:56
○ 2026-04-13 19:39:38

○NSdns4.mtgsy.com2015-06-08 → 2018-01-22 · 4 obs

○ 2007-08-15 12:36:30
● 2015-06-08 17:00:10
● 2018-01-22 01:01:56
○ 2026-04-13 19:39:38

●NSns-1243.awsdns-27.org2026-04-13 → 2026-04-13 · 2 obs

○ 2018-01-22 01:01:56
● 2026-04-13 19:39:38

●NSns-1893.awsdns-44.co.uk2026-04-13 → 2026-04-13 · 2 obs

○ 2018-01-22 01:01:56
● 2026-04-13 19:39:38

●NSns-394.awsdns-49.com2026-04-13 → 2026-04-13 · 2 obs

○ 2018-01-22 01:01:56
● 2026-04-13 19:39:38

●NSns-809.awsdns-37.net2026-04-13 → 2026-04-13 · 2 obs

○ 2018-01-22 01:01:56
● 2026-04-13 19:39:38

○NSudns1.ultradns.net2007-08-15 → 2007-08-15 · 3 obs

● 2007-08-15 12:36:30
○ 2015-06-08 17:00:10
○ 2026-04-13 19:39:38

○NSudns2.ultradns.net2007-08-15 → 2007-08-15 · 3 obs

● 2007-08-15 12:36:30
○ 2015-06-08 17:00:10
○ 2026-04-13 19:39:38

●MXmail.planetalumni.net2007-08-15 → 2026-04-13 · 2 obs

● 2007-08-15 12:36:30
● 2026-04-13 19:39:38

●A139.146.146.1952007-08-15 → 2026-04-13 · 2 obs

● 2007-08-15 12:36:30
● 2026-04-13 19:39:38

●A139.146.146.1962007-08-15 → 2026-04-13 · 2 obs

● 2007-08-15 12:36:30
● 2026-04-13 19:39:38

●A139.146.146.2502007-08-15 → 2026-04-13 · 2 obs

● 2007-08-15 12:36:30
● 2026-04-13 19:39:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
planetalumni.net	ns-394.awsdns-49.com, ns-809.awsdns-37.net, ns-1243.awsdns-27.org, ns-1893.awsdns-44.co.uk	1 record

✅ Authoritative Response

Server:205.251.193.138

NS records: ns-394.awsdns-49.com, ns-809.awsdns-37.net, ns-1243.awsdns-27.org, ns-1893.awsdns-44.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for planetalumni.net (unsigned zone)

⏱️ Timing

Total: 328ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`139.146.146.195, 139.146.146.196...`
NS	4	`ns-1243.awsdns-27.org, ns-1893.awsdns-44.co.uk...`
MX	1	`mail.planetalumni.net (pri: 10)`
SOA	1	`ns-809.awsdns-37.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-809.awsdns-37.net)

Analysis

Hierarchy

planetalumni.net is a parent of mail.planetalumni.net.

IP Addresses

Three IP numbers are pointed to by planetalumni.net: 139.146.146.195, 139.146.146.196 and 139.146.146.250.

Name Servers

planetalumni.net is delegated to four name servers: ns-394.awsdns-49.com, ns-809.awsdns-37.net, ns-1243.awsdns-27.org and ns-1893.awsdns-44.co.uk.

planetalumni.net at least partially shares name servers with other domains, for instance neoteric.jp, algoriddle.com, enshaedn.com, andrewpoole.org.uk and boatquest.com.

These name servers are commonly used with the name servers ns-476.awsdns-59.com.

Host names with two IP numbers:

ns-394.awsdns-49.com points to: 2600:9000:5301:8a00::1 and 205.251.193.138.

ns-809.awsdns-37.net points to: 2600:9000:5303:2900::1 and 205.251.195.41.

ns-1243.awsdns-27.org points to: 2600:9000:5304:db00::1 and 205.251.196.219.

ns-1893.awsdns-44.co.uk points to: 2600:9000:5307:6500::1 and 205.251.199.101.

Mail Servers

planetalumni.net is handled by a single mail server, mail.planetalumni.net.

mail.planetalumni.net points to a single IP: 139.146.146.251.

planetalumni.net - robtex.com