dilbert.psc.edu - robtex.com

dilbert.psc.edu

DNSSEC⚠️ Not signed
A2001:5e8:1:b8:21a:a0ff:fe2e:a56🇺🇸 PSC-EXT2001:5e8::/32 Three Rivers Optical Exchange Pittsburgh Supercomputing Center 4400 Fifth Avenue Pittsburgh, PA 15213 US
PTRdilbert.psc.edu
A128.182.184.70🇺🇸 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 ⭐
TXTv=spf1 mx ip4:128.182.0.0/16 ip4:192.101.139.0/24 ip4:192.231.243.0/24 ip4:19...
TXTmt-94806477
SOAdns1.psc.edupscnet-admin@psc.edu serial=1774641657
WOT: SAFE (66/100)
rank #38851 globally
rank #768 in the tld
WOT: SAFE (85/100)
📈 Tranco rank: #30,661

PTR for

6.5.a.0.e.2.e.f.f.f.0.a.a.1.2.0.8.b.0.0.1.0.0.0.8.e.5.0.1.0.0.2.ip6.arpa
70.184.182.128.in-addr.arpa

Same first word

dilbert.ee
dilbert.ru
dilbert.net
dilbert.de
dilbert.com
dilbert.cz

Similar names

ridelbt.com
delbirt.com
driblet.ch
driblet.io
driblet.com
telbird.com
blerdit.com

DNS History

4 records (4 active, 0 former)

20162017201820192020202120222023202420252026MXmailer1.psc.edumailer2.psc.eduA128.182.184.702001:5e8:1:b8:21a:a0ff:fe2e:a56
●MXmailer1.psc.edu2015-06-18 → 2026-03-30 · 2 obs
● 2015-06-18 04:17:34
● 2026-03-30 02:10:32
●MXmailer2.psc.edu2015-06-18 → 2026-03-30 · 2 obs
● 2015-06-18 04:17:34
● 2026-03-30 02:10:32
●A128.182.184.702015-06-18 → 2026-03-30 · 2 obs
● 2015-06-18 04:17:34
● 2026-03-30 02:10:32
●A2001:5e8:1:b8:21a:a0ff:fe2e:a562015-06-18 → 2026-03-30 · 2 obs
● 2015-06-18 04:17:34
● 2026-03-30 02:10:32

🔍 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:128.182.65.6

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: 154ms | Queries: -

📄 Records

TypeCountSample Data
A1128.182.184.70
AAAA12001:5e8:1:b8:21a:a0ff:fe2e:a56
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

dilbert.psc.edu resolves to two IPs: 2001:5e8:1:b8:21a:a0ff:fe2e:a56 and 128.182.184.70.

Mail Servers

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

dilbert.psc.edu shares the same mail server setup as other domains, for instance silo.psc.edu, roundrobin-10-32-1.pvt.psc.edu, vpn-300sc-sa-54.psc.edu, wiki.psc.edu and re-rtr.3rox.net.

dilbert.psc.edu shares mail servers with other domains at least partially, including shannon.psc.edu, psc.xsede.org, dhcp77-52.psc.edu, dhcp77-19.psc.edu and docdev.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