`collaboratory.psc.edu`

DNSSEC	⚠️ Not signed
A	128.182.66.63^{🇺🇸 PSC-WEC-AS128.182.64.0/18 PSC-WEC}
		PTR	`collaboratory.psc.edu`
MX	`mailer1.psc.edu` ⭐
		A	2001:5e8:1:3a::64^{🇺🇸 PSC-EXT2001:5e8::/32 Three Rivers Optical Exchange Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 US}
			PTR	`mailer1.psc.edu`
		A	128.182.58.100^{🇺🇸 PSCNET-HS-AS128.182.0.0/16 PSC Campus Network Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213}
			PTR	`mailer1.psc.edu`
MX	`mailer2.psc.edu` ⭐
		A	2001:5e8:2:46::6a^{🇺🇸 PSC-EXT2001:5e8::/32 Three Rivers Optical Exchange Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 US}
			PTR	`mailer2.psc.edu`
		A	128.182.70.106^{🇺🇸 PSC-WEC-AS128.182.64.0/18 PSC-WEC}
			PTR	`mailer2.psc.edu`

`psc.edu`

	DNSSEC	⚠️ Not signed
	A	44.217.168.139^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
	NS	`dns1.psc.edu` ⭐
	NS	`charon.psc.edu`
	NS	`ns4.oar.net` ⚠️ Not in parent delegation
	NS	`ns5.oar.net` ⚠️ Not in parent delegation
	NS	`ns6.oar.net` ⚠️ Not in parent delegation
	NS	`ns7.oar.net` ⚠️ Not in parent delegation
	MX	`mailer1.psc.edu` ⭐
	MX	`mailer2.psc.edu` ⭐
	TXT	`mt-94806477`
	TXT	`v=spf1 mx ip4:128.182.0.0/16 ip4:192.101.139.0/24 ip4:192.231.243.0/24 ip4:19...`
	SOA	`dns1.psc.edu`pscnet-admin@psc.edu serial=1774641618

WOT: SAFE (66/100)
rank #40825 globally
rank #773 in the tld
WOT: SAFE (85/100)
📈 Tranco rank: #30,392

PTR for

63.66.182.128.in-addr.arpa

Same first word

collaboratory.de

collaboratory.nl

DNS History

3 records (3 active, 0 former)

●MXmailer1.psc.edu2009-01-11 → 2026-03-28 · 2 obs

● 2009-01-11 00:59:12
● 2026-03-28 10:07:30

●MXmailer2.psc.edu2009-01-11 → 2026-03-28 · 2 obs

● 2009-01-11 00:59:12
● 2026-03-28 10:07:30

●A128.182.66.632009-01-11 → 2026-03-28 · 2 obs

● 2009-01-11 00:59:12
● 2026-03-28 10:07:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	j.edu-servers.net, m.edu-servers.net, a.edu-servers.net, g.edu-servers.net...	-
psc.edu	charon.psc.edu, dns1.psc.edu, ns4.oar.net, ns5.oar.net...	4 records

✅ Authoritative Response

Server:128.182.65.6

NS records: charon.psc.edu, dns1.psc.edu, ns4.oar.net, ns5.oar.net, ns6.oar.net, ns7.oar.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 3102ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`128.182.66.63`
MX	2	`mailer1.psc.edu (pri: 20), mailer2.psc.edu (pri: 20)`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (charon.psc.edu, charon.psc.edu, dns1.psc.edu...)

Analysis

IP Addresses

collaboratory.psc.edu points to an IP address: 128.182.66.63.

Mail Servers

collaboratory.psc.edu is handled by two mail servers: mailer1.psc.edu and mailer2.psc.edu.

collaboratory.psc.edu uses the same mail server setup as other domains, for instance morphin.psc.edu, www.psc.edu, hawk2.psc.edu, vpn-300sc-sa-40.psc.edu and vpn-300sc-sa-46.psc.edu.

collaboratory.psc.edu shares at least partially some mail servers with other domains, for instance titleist.wlan.psc.edu, dexter.psc.edu, dhcp77-31.psc.edu, loghost-300sc.psc.edu and kings-landing.psc.edu.

Host names with two IP numbers:

mailer1.psc.edu points to 2001:5e8:1:3a::64 and 128.182.58.100.

mailer2.psc.edu points to 2001:5e8:2:46::6a and 128.182.70.106.

collaboratory.psc.edu - robtex.com