docdev.psc.edu - dns.ninja

`docdev.psc.edu`

DNSSEC	⚠️ Not signed
A	2001:5e8:1:3a:216:3eff:fe90:1713^{🇺🇸 PSC-EXT2001:5e8::/32 Three Rivers Optical Exchange Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 US}
		PTR	`docdev.psc.edu`
A	128.182.58.91^{🇺🇸 PSCNET-HS-AS128.182.0.0/16 PSC Campus Network Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213}
MX	`docdev.psc.edu` ⭐
		A	2001:5e8:1:3a:216:3eff:fe90:1713^{🇺🇸 PSC-EXT2001:5e8::/32 Three Rivers Optical Exchange Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 US}
			PTR	`docdev.psc.edu`
		A	128.182.58.91^{🇺🇸 PSCNET-HS-AS128.182.0.0/16 PSC Campus Network Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213}
			PTR	`docdev.psc.edu`
MX	`mailer1.psc.edu`⁽²⁰⁾
		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`⁽²⁰⁾
		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...`
	TXT	`284389D9AA11612E4E9CDEF688CBCD7C`
	SOA	`dns1.psc.edu`pscnet-admin@psc.edu serial=1786647633

WOT: SAFE (66/100)
rank #39791 globally
rank #772 in the tld
WOT: SAFE (85/100)
📈 Tranco rank: #28,806

PTR for

91.58.182.128.in-addr.arpa

3.1.7.1.0.9.e.f.f.f.e.3.6.1.2.0.a.3.0.0.1.0.0.0.8.e.5.0.1.0.0.2.ip6.arpa

MX for

docdev.psc.edu

Same first word

docdev.cn

Similar names

edvdoc.at

edvdoc.eu

devdoc.net

devdoc.com

devdoc.eu

devdoc.de

devcod.com

decodv.com

devodc.com

dvdeco.com

cdodev.com

devdoc.ru

devdoc.org

covded.shop

devcod.ru

odcdev.com

dvcode.com

edvdoc.com

codedv.com

devdoc.ir

devdoc.ai

edvdoc.de

devdoc.nl

vcoded.com

dovedc.com

devdoc.io

ecodvd.com

DNS History

5 records (5 active, 0 former)

●MXdocdev.psc.edu2015-06-04 → 2026-08-15 · 2 obs

● 2015-06-04 06:59:08
● 2026-08-15 00:49:58

●MXmailer1.psc.edu2015-06-04 → 2026-08-15 · 2 obs

● 2015-06-04 06:59:08
● 2026-08-15 00:49:58

●MXmailer2.psc.edu2015-06-04 → 2026-08-15 · 2 obs

● 2015-06-04 06:59:08
● 2026-08-15 00:49:58

●A128.182.58.912015-06-04 → 2026-08-15 · 2 obs

● 2015-06-04 06:59:08
● 2026-08-15 00:49:58

●A2001:5e8:1:3a:216:3eff:fe90:17132015-06-04 → 2026-08-15 · 2 obs

● 2015-06-04 06:59:08
● 2026-08-15 00:49:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	b.edu-servers.net, i.edu-servers.net, l.edu-servers.net, k.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: 403ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`128.182.58.91`
AAAA	1	`2001:5e8:1:3a:216:3eff:fe90:1713`
MX	3	`docdev.psc.edu (pri: 10), mailer2.psc.edu (pri: 20)...`

📌 Glue Records Collected

Total: 4

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

Analysis

Mail Server Role

docdev.psc.edu serves as a mail server for docdev.psc.edu.

mailer1.psc.edu and mailer2.psc.edu are often paired with docdev.psc.edu as mail servers.

IP Addresses

docdev.psc.edu has two IP addresses: 128.182.58.91 and 2001:5e8:1:3a:216:3eff:fe90:1713

Mail Servers

Incoming mail for docdev.psc.edu is delivered via three mail servers: docdev.psc.edu, mailer1.psc.edu and mailer2.psc.edu.

At least some of the mail servers used by docdev.psc.edu are shared with other domains: herodotus.psc.edu, totoro.psc.edu, vpn-300sc-sa-18.psc.edu and two others among them.

It is common to find these mail servers used together with the mail servers stadium.psc.edu and watchdog.psc.edu.

The hostnames docdev.psc.edu, mailer1.psc.edu and mailer2.psc.edu each direct to two IP addresses — docdev.psc.edu to 128.182.58.91 and 2001:5e8:1:3a:216:3eff:fe90:1713, mailer1.psc.edu to 128.182.58.100 and 2001:5e8:1:3a::64, and mailer2.psc.edu to 128.182.70.106 and 2001:5e8:2:46::6a.