fe.up.pt - dns.ninja

fe.up.pt

DNSSEC⚠️ Not signed
A193.136.38.80🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRinbridge4eu.eu
PTRpdmd.pt
PTRwww.pdmd.pt
PTRfe.up.pt
PTRsifeup.fe.up.pt
PTRwebserver.fe.up.pt
NSdns1.fe.up.pt ⭐
A2001:690:2200:9a01::8🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
A193.136.28.8🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRdns1.fe.up.pt
NSns02.fccn.pt ⚠️ Not in parent delegation
A2001:690:a80:4001::200🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
PTRns02.fccn.pt
A193.136.2.228🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRns02.fccn.pt
NSns1.up.pt ⚠️ Not in parent delegation
A2001:690:2200:a10::30🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
PTRns1.up.pt
A193.137.55.30🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRns1.up.pt
NSns2.up.pt ⚠️ Not in parent delegation
A2001:690:2200:a10::31🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
A193.137.55.31🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRns2.up.pt
NSns3.up.pt ⚠️ Not in parent delegation
A2001:690:2200:a10::32🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
PTRns3.up.pt
A193.137.55.32🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRns3.up.pt
NSns4.up.pt ⚠️ Not in parent delegation
A2001:690:2200:a10::33🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
PTRns4.up.pt
A193.137.55.33🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRns4.up.pt
MXmx01.up.pt ⭐
A2001:690:2200:a10::24🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
PTRmx01.up.pt
A193.137.55.24🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRmx01.up.pt
MXmx02.up.pt ⭐
A2001:690:2200:a10::25🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
PTRmx02.up.pt
A193.137.55.25🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRmx02.up.pt
PTRmx02.uporto.dnssec.pt
MXmx03.up.pt ⭐
A2001:690:2200:a10::44🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
A193.137.55.44🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRmx03.up.pt
MXmx04.up.pt ⭐
A2001:690:2200:a10::45🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
PTRmx04.up.pt
A193.137.55.45🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRmx04.up.pt
MXmx05.up.pt ⭐
A2001:690:2200:a10::46🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
A193.137.55.46🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRmx05.up.pt
MXmx06.up.pt ⭐
A2001:690:2200:a10::47🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
A193.137.55.47🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
PTRmx06.up.pt
TXTv=spf1 mx include:spf4.up.pt include:spf6.up.pt include:spf.protection.outloo...
TXTgoogle-site-verification=nU7zlKmxZhUeWnrPC6RER70Kv38vn7xBTDrspnBTYgI
TXTMS=12D13373DCD13C5B23BDF82C37244475BF4BAE61
SOAdns1.fe.up.ptcnet@fe.up.pt serial=1784173521

up.pt

DNSSEC🔒 Signed (DS record present)
A2001:690:2200:a10::13🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
A193.137.55.13🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
NSns1.up.pt ⭐
NSns02.fccn.pt
NSns2.up.pt
NSns3.up.pt
NSns4.up.pt
MXmx01.up.pt ⭐
MXmx02.up.pt ⭐
MXmx03.up.pt ⭐
MXmx04.up.pt ⭐
MXmx05.up.pt ⭐
MXmx06.up.pt ⭐
TXTadobe-idp-site-verification=491feeefc019f19c6030bf87ace8477470d9a78bb3e660161...
TXTHARICA-odgH2dLCMNQenduoC39
TXTgoogle-site-verification=7hF_ZD6DOKHK8MLopRWBZvby2A0gBGVQi-kvLqdkxGo
TXTgoogle-site-verification=eMy_WDqKW1lght0VDzrPfEFh0osBa3BtcILLuMxX5jI
TXTv=spf1 mx include:spf4.up.pt include:spf6.up.pt include:spf.protection.outloo...
TXTOIIBdX0Cy1Ay7dAnhFQmuuqdTwtlthv23weewGfmKBDcfrmo2WOrjGfPx8ZFpan5QNfIvto7Jp/S5...
TXTMS=ms16675765
SOAns1.up.ptit@up.pt serial=1784178214
WOT: SAFE (95/100)
rank #3188 globally
rank #3 in the tld

up.pt

up.ptis the official domain of the Universidade do Porto (University of Porto), one of the largest and most prestigious public universities in Portugal. It is operated by the university itself, headquartered in Porto, Portugal.

Key facts

  • Owner / operator: Universidade do Porto (University of Porto)
  • TLD:.pt— Portugal (ccTLD)
  • Primary purpose: Official university web presence, academic services, and institutional information
  • Status: active

Notable subdomains or services

The university usesup.ptas the root for a large number of faculty, service, and portal subdomains:

  • sigarra.up.pt— main academic information and student/staff portal (SIGARRA system)
  • fe.up.pt— Faculty of Engineering (FEUP), the largest faculty
  • fc.up.pt— Faculty of Sciences
  • fl.up.pt— Faculty of Arts and Humanities
  • moodle.up.pt— e-learning platform
  • repositorio-aberto.up.pt— open-access institutional repository

Related domains

  • uporto.eu— secondary institutional domain sometimes used for international-facing communications
WOT: SAFE (91/100)
📈 Tranco rank: #6,419

PTR for

80.38.136.193.in-addr.arpa

Subdomains

cica-adm.fe.up.pt
dei.fe.up.pt
webmail.fe.up.pt
biblioteca-p23.fe.up.pt
oceansys.fe.up.pt
www.fe.up.pt
quimica-p-101.fe.up.pt
paginas.fe.up.pt
deec-lab-nasc-inf.fe.up.pt
bbb.fe.up.pt
civil-s-p1.fe.up.pt
deec-lab-poen-inf.fe.up.pt
gw.fe.up.pt
ni.fe.up.pt
mn.fe.up.pt
csr.fe.up.pt
deec-lab-nasc-sup.fe.up.pt
polyspeak.fe.up.pt
aulas-i-p2.fe.up.pt
vpnpptp.fe.up.pt
sifeup.fe.up.pt
civil-n-p012.fe.up.pt
lt3p.fe.up.pt
aulas-l-p3.fe.up.pt
mecanica-n.fe.up.pt
aulas-l-p2.fe.up.pt
webserver.fe.up.pt
web.fe.up.pt
vpn.fe.up.pt
aulas-a.fe.up.pt
grid.fe.up.pt
deec-lab-nort.fe.up.pt
h03cl0307.fe.up.pt
aulas-i-p0.fe.up.pt
whale.fe.up.pt
proj.fe.up.pt
dns1.fe.up.pt
deec-nasc-piso-1.fe.up.pt
redmine.fe.up.pt
ademar.fe.up.pt
ieee.fe.up.pt
engradio.fe.up.pt
dns2.fe.up.pt
vecpar.fe.up.pt
dceg.fe.up.pt
deec-gab-poen.fe.up.pt
deec-lab-poen-sup.fe.up.pt

Same first word

fe.js.cn
fe.ua
fe.dev
fe.co
fe.fo
fe.seg.br
fe.services
fe.foundation
fe.com.br
fe.cn
fe.ee
fe.pe
fe.su
fe.ge
fe.ma
fe.sg
fe.marketing
fe.finance
fe.ru
fe.lc
fe.pl
fe.je
fe.fi
fe.business
fe.com.tr
fe.vc
fe.ax
fe.net.au
fe.biz
fe.nl
fe.is
fe.se
fe.ms
fe.gallery
fe.sh
fe.com.ua
fe.rw
fe.world
fe.center
fe.org
fe.co.uk
fe.pt
fe.com
fe.it.com
fe.live
fe.cl
fe.no
fe.ca
fe.cz
fe.uz
fe.kz
fe.network
fe.co.za
fe.be
fe.sk
fe.team
fe.do
fe.net
fe.org.ec
fe.hu
fe.vg
fe.al
fe.ro
fe.training
fe.lv
fe.edu.vn
fe.eu
fe.de
fe.chat
fe.am
fe.lt
fe.hk
fe.org.br
fe.gd
fe.fyi
fe.gov.mz
fe.org.pe
fe.gs

Similar names

ef.ac.me
ef.team
ef.studio
ef.to
ef.id
ef.cl
ef.world
ef.in.th
ef.af
ef.com.es
ef.university
ef.design
ef.eu
ef.is
ef.co.at
ef.uk.com
ef.com.hk
ef.mus.br
ef.gd
ef.net
ef.lv
ef.cc
ef.md
ef.co.ve
ef.com.ly
ef.org.pl
ef.network
ef.org
ef.center
ef.camp
ef.lk
ef.ms
ef.com.co
ef.ro
ef.nl
ef.rw
ef.com
ef.de
ef.mn
ef.energy
ef.fr
ef.com.sg
ef.schule
ef.co.uk
ef.spb.ru
ef.sk
ef.com.tr
ef.pl
ef.business
ef.nu
ef.fi
ef.be
ef.am
ef.kz
ef.academy
ef.com.mx
ef.cz
ef.careers
ef.ru
ef.com.tw
ef.edu.pe
ef.co.th
ef.bw
ef.co.ao
ef.co
ef.institute
ef.ag
ef.ee
ef.com.ec
ef.com.vn
ef.co.id
ef.gov.sa
ef.gy
ef.vc
ef.no
ef.js.org
ef.asia
ef.si
ef.com.cn
ef.om
ef.su
ef.tn
ef.by
ef.lc
ef.com.ar
ef.lt
ef.dz
ef.fyi
ef.hr
ef.chat
ef.dk
ef.co.ae
ef.com.pe
ef.ca
ef.do
ef.media
ef.com.fr
ef.at
ef.se
ef.com.br

DNS History

19 records (13 active, 6 former)

201020122014201620182020202220242026NSdns1.fe.up.ptns02.fccn.ptns1.up.ptns2.up.ptns3.up.ptns4.up.ptdns2.fe.up.ptns1.fe.up.ptMXmx01.up.ptmx02.up.ptmx03.up.ptmx04.up.ptmx05.up.ptmx06.up.ptrelay.fe.up.ptrelay1.fe.up.ptrelay2.fe.up.ptA193.136.38.80193.136.28.205
●NSdns1.fe.up.pt2009-07-04 → 2026-07-16 · 5 obs
● 2009-07-04 12:07:22
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
● 2026-07-16 05:31:58
○NSdns2.fe.up.pt2009-07-04 → 2016-01-13 · 4 obs
● 2009-07-04 12:07:22
● 2016-01-13 17:36:42
○ 2016-02-17 18:01:20
○ 2026-07-16 05:31:58
●NSns02.fccn.pt2026-02-16 → 2026-07-16 · 9 obs
○ 2016-02-17 18:01:20
● 2026-02-16 11:35:16
● 2026-02-17 17:21:46
○ 2026-02-18 15:23:12
● 2026-02-20 14:34:10
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
● 2026-07-16 05:31:58
○NSns1.fe.up.pt2015-08-15 → 2016-01-13 · 5 obs
○ 2009-07-04 12:07:22
● 2015-08-15 22:15:02
● 2016-01-13 17:36:42
○ 2016-02-17 18:01:20
○ 2026-07-16 05:31:58
●NSns1.up.pt2016-02-17 → 2026-07-16 · 9 obs
○ 2016-01-13 17:36:42
● 2016-02-17 18:01:20
● 2026-02-17 17:21:46
○ 2026-02-18 15:23:12
● 2026-02-20 14:34:10
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
● 2026-07-16 05:31:58
●NSns2.up.pt2016-02-17 → 2026-07-16 · 9 obs
○ 2016-01-13 17:36:42
● 2016-02-17 18:01:20
● 2026-02-17 17:21:46
○ 2026-02-18 15:23:12
● 2026-02-20 14:34:10
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
● 2026-07-16 05:31:58
●NSns3.up.pt2016-02-17 → 2026-07-16 · 9 obs
○ 2016-01-13 17:36:42
● 2016-02-17 18:01:20
● 2026-02-17 17:21:46
○ 2026-02-18 15:23:12
● 2026-02-20 14:34:10
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
● 2026-07-16 05:31:58
●NSns4.up.pt2016-02-17 → 2026-07-16 · 9 obs
○ 2016-01-13 17:36:42
● 2016-02-17 18:01:20
● 2026-02-17 17:21:46
○ 2026-02-18 15:23:12
● 2026-02-20 14:34:10
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
● 2026-07-16 05:31:58
●MXmx01.up.pt2021-04-10 → 2026-07-16 · 11 obs
○ 2017-12-29 11:28:34
● 2021-04-10 20:46:46
● 2026-02-17 17:21:46
○ 2026-02-18 15:23:12
● 2026-02-20 14:34:10
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
○ 2026-04-01 12:09:44
● 2026-04-05 04:42:48
● 2026-07-16 05:31:58
●MXmx02.up.pt2021-04-10 → 2026-07-16 · 11 obs
○ 2017-12-29 11:28:34
● 2021-04-10 20:46:46
● 2026-02-17 17:21:46
○ 2026-02-18 15:23:12
● 2026-02-20 14:34:10
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
○ 2026-04-01 12:09:44
● 2026-04-05 04:42:48
● 2026-07-16 05:31:58
●MXmx03.up.pt2021-04-10 → 2026-07-16 · 11 obs
○ 2017-12-29 11:28:34
● 2021-04-10 20:46:46
● 2026-02-17 17:21:46
○ 2026-02-18 15:23:12
● 2026-02-20 14:34:10
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
○ 2026-04-01 12:09:44
● 2026-04-05 04:42:48
● 2026-07-16 05:31:58
●MXmx04.up.pt2021-04-10 → 2026-07-16 · 11 obs
○ 2017-12-29 11:28:34
● 2021-04-10 20:46:46
● 2026-02-17 17:21:46
○ 2026-02-18 15:23:12
● 2026-02-20 14:34:10
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
○ 2026-04-01 12:09:44
● 2026-04-05 04:42:48
● 2026-07-16 05:31:58
●MXmx05.up.pt2021-04-10 → 2026-07-16 · 11 obs
○ 2017-12-29 11:28:34
● 2021-04-10 20:46:46
● 2026-02-17 17:21:46
○ 2026-02-18 15:23:12
● 2026-02-20 14:34:10
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
○ 2026-04-01 12:09:44
● 2026-04-05 04:42:48
● 2026-07-16 05:31:58
●MXmx06.up.pt2021-04-10 → 2026-07-16 · 11 obs
○ 2017-12-29 11:28:34
● 2021-04-10 20:46:46
● 2026-02-17 17:21:46
○ 2026-02-18 15:23:12
● 2026-02-20 14:34:10
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
○ 2026-04-01 12:09:44
● 2026-04-05 04:42:48
● 2026-07-16 05:31:58
○MXrelay.fe.up.pt2015-08-15 → 2017-12-29 · 5 obs
○ 2009-07-04 12:07:22
● 2015-08-15 22:15:02
● 2017-12-29 11:28:34
○ 2021-04-10 20:46:46
○ 2026-07-16 05:31:58
○MXrelay1.fe.up.pt2009-07-04 → 2009-07-04 · 3 obs
● 2009-07-04 12:07:22
○ 2015-08-15 22:15:02
○ 2026-07-16 05:31:58
○MXrelay2.fe.up.pt2009-07-04 → 2009-07-04 · 3 obs
● 2009-07-04 12:07:22
○ 2015-08-15 22:15:02
○ 2026-07-16 05:31:58
○A193.136.28.2052009-07-04 → 2021-04-10 · 4 obs
● 2009-07-04 12:07:22
● 2021-04-10 20:46:46
○ 2026-02-16 11:35:16
○ 2026-07-16 05:31:58
●A193.136.38.802026-02-16 → 2026-07-16 · 9 obs
○ 2021-04-10 20:46:46
● 2026-02-16 11:35:16
● 2026-02-17 17:21:46
○ 2026-02-18 15:23:12
● 2026-02-20 14:34:10
● 2026-03-29 23:13:54
○ 2026-03-30 03:40:20
● 2026-03-30 05:15:40
● 2026-07-16 05:31:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pta.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt...-
up.ptns02.fccn.pt, ns4.up.pt, ns3.up.pt, ns2.up.pt...10 records

✅ Authoritative Response

Server:193.137.55.33

NS records: ns02.fccn.pt, ns4.up.pt, ns3.up.pt, ns2.up.pt, ns1.up.pt

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 740ms | Queries: -

📄 Records

TypeCountSample Data
A1193.136.38.80
NS5ns2.up.pt, ns02.fccn.pt...
MX6mx04.up.pt (pri: 10), mx02.up.pt (pri: 10)...
TXT3google-site-verification=nU7zlKmxZhUeWnr, v=spf1 mx include:spf4.up.pt include:spf...
SOA1dns1.fe.up.pt cnet.fe.up.pt

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (ns4.up.pt, ns3.up.pt, ns2.up.pt...)

Out-of-bailiwick: 2 (ns02.fccn.pt, ns02.fccn.pt)

Analysis

Hierarchy

Among the subdomains of fe.up.pt are cica-adm.fe.up.pt, dei.fe.up.pt, webmail.fe.up.pt, biblioteca-p23.fe.up.pt, oceansys.fe.up.pt and a few other host names.

IP Addresses

fe.up.pt points to a single IP number: 193.136.38.80.

sifeup.fe.up.pt, www.pdmd.pt, webserver.fe.up.pt and pdmd.pt are examples of host names that share IP numbers with fe.up.pt.

Name Servers

fe.up.pt is served by 6 authoritative name servers — among them ns02.fccn.pt, ns1.up.pt, ns2.up.pt and 3 others.

There is at least partial name server overlap between fe.up.pt and other domains — 185.47.193.in-addr.arpa, icbas-ff.up.pt, gov.pt and two more among them.

These name servers regularly appear alongside ns3.up.pt, ns4.up.pt, ns03.fccn.pt and 7 other name servers in NS record sets.

Host names with two IP numbers:

ns02.fccn.pt resolves to two addresses: 193.136.2.228 and 2001:690:a80:4001::200.

ns1.up.pt resolves to two addresses: 193.137.55.30 and 2001:690:2200:a10::30.

ns2.up.pt resolves to two addresses: 193.137.55.31 and 2001:690:2200:a10::31.

ns3.up.pt resolves to two addresses: 193.137.55.32 and 2001:690:2200:a10::32.

ns4.up.pt resolves to two addresses: 193.137.55.33 and 2001:690:2200:a10::33.

dns1.fe.up.pt resolves to two addresses: 193.136.28.8 and 2001:690:2200:9a01::8.

Mail Servers

fe.up.pt accepts email via 6 mail servers: mx01.up.pt, mx02.up.pt, mx03.up.pt and 3 other.

fe.up.pt shares mail servers — at least in part — with other domains, including fpce.up.pt, mhnc.up.pt, atg.up.pt and two others.

These mail servers are routinely found in combination with the mail servers mx04.up.pt, mx05.up.pt and mx06.up.pt.

Host names with two IP numbers:

mx01.up.pt resolves to two addresses: 193.137.55.24 and 2001:690:2200:a10::24.

mx02.up.pt resolves to two addresses: 193.137.55.25 and 2001:690:2200:a10::25.

mx03.up.pt resolves to two addresses: 193.137.55.44 and 2001:690:2200:a10::44.

mx04.up.pt resolves to two addresses: 193.137.55.45 and 2001:690:2200:a10::45.

mx05.up.pt resolves to two addresses: 193.137.55.46 and 2001:690:2200:a10::46.

mx06.up.pt resolves to two addresses: 193.137.55.47 and 2001:690:2200:a10::47.