codegrinder.psc.edu - dns.ninja

codegrinder.psc.edu

DNSSEC⚠️ Not signed
A2001:5e8:1:b0:211:43ff:fe76:5272🇺🇸 PSC-EXT2001:5e8::/32 Three Rivers Optical Exchange Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 US
PTRcodegrinder.psc.edu
A128.182.176.88🇺🇸 PSCNET-HS-AS128.182.0.0/16 PSC Campus Network Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213
MXmailer1.psc.edu ⭐
A2001:5e8:1:3a::64🇺🇸 PSC-EXT2001:5e8::/32 Three Rivers Optical Exchange Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 US
PTRmailer1.psc.edu
A128.182.58.100🇺🇸 PSCNET-HS-AS128.182.0.0/16 PSC Campus Network Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213
PTRmailer1.psc.edu
MXmailer2.psc.edu ⭐
A2001:5e8:2:46::6a🇺🇸 PSC-EXT2001:5e8::/32 Three Rivers Optical Exchange Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 US
PTRmailer2.psc.edu
A128.182.70.106🇺🇸 PSC-WEC-AS128.182.64.0/18 PSC-WEC
PTRmailer2.psc.edu

psc.edu

DNSSEC⚠️ Not signed
A44.217.168.139🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
NSdns1.psc.edu ⭐
NScharon.psc.edu
NSns4.oar.net ⚠️ Not in parent delegation
NSns5.oar.net ⚠️ Not in parent delegation
NSns6.oar.net ⚠️ Not in parent delegation
NSns7.oar.net ⚠️ Not in parent delegation
MXmailer1.psc.edu ⭐
MXmailer2.psc.edu ⭐
TXTmt-94806477
TXTv=spf1 mx ip4:128.182.0.0/16 ip4:192.101.139.0/24 ip4:192.231.243.0/24 ip4:19...
TXT284389D9AA11612E4E9CDEF688CBCD7C
SOAdns1.psc.edupscnet-admin@psc.edu serial=1784837959
WOT: SAFE (66/100)
rank #39485 globally
rank #763 in the tld
WOT: SAFE (85/100)
📈 Tranco rank: #28,542

PTR for

88.176.182.128.in-addr.arpa
2.7.2.5.6.7.e.f.f.f.3.4.1.1.2.0.0.b.0.0.1.0.0.0.8.e.5.0.1.0.0.2.ip6.arpa

Similar names

derecording.com

DNS History

4 records (4 active, 0 former)

20162017201820192020202120222023202420252026MXmailer1.psc.edumailer2.psc.eduA128.182.176.882001:5e8:1:b0:211:43ff:fe76:5272
●MXmailer1.psc.edu2015-05-27 → 2026-07-24 · 2 obs
● 2015-05-27 00:58:28
● 2026-07-24 17:12:46
●MXmailer2.psc.edu2015-05-27 → 2026-07-24 · 2 obs
● 2015-05-27 00:58:28
● 2026-07-24 17:12:46
●A128.182.176.882015-05-27 → 2026-07-24 · 2 obs
● 2015-05-27 00:58:28
● 2026-07-24 17:12:46
●A2001:5e8:1:b0:211:43ff:fe76:52722015-05-27 → 2026-07-24 · 2 obs
● 2015-05-27 00:58:28
● 2026-07-24 17:12:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
edua.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...-
psc.educharon.psc.edu, dns1.psc.edu, ns4.oar.net, ns5.oar.net...4 records

✅ Authoritative Response

Server:128.182.58.105

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: 229ms | Queries: -

📄 Records

TypeCountSample Data
A1128.182.176.88
AAAA12001:5e8:1:b0:211:43ff:fe76:5272
MX2mailer2.psc.edu (pri: 20), mailer1.psc.edu (pri: 20)

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

codegrinder.psc.edu points to the IP addresses 128.182.176.88 and 2001:5e8:1:b0:211:43ff:fe76:5272

Mail Servers

The MX records for codegrinder.psc.edu point to two mail servers: mailer1.psc.edu and mailer2.psc.edu.

codegrinder.psc.edu has the same mail server arrangement as a number of other domains, for example ncache4.3rox.net, bodhran.psc.edu, dogwood.psc.edu and two more.

codegrinder.psc.edu shares at least some of its mail servers with other domains — for example skytoad.psc.edu, sport.psc.edu, titleist.psc.edu and two more.

mailer1.psc.edu and mailer2.psc.edu each resolve to two IP addresses: mailer1.psc.edu points to 128.182.58.100 and 2001:5e8:1:3a::64, while mailer2.psc.edu points to 128.182.70.106 and 2001:5e8:2:46::6a.