elearningcafe.up.pt - robtex.com
elearningcafe.up.pt
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 193.137.26.129๐ต๐น RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| PTR | hound.up.pt | ||||||
| NS | ns1.up.pt โญ โ ๏ธ Not in parent delegation | ||||||
| A | 2001:690:2200:a10::30๐ต๐น RCCN2001:690::/32 The Portuguese National Research & Education Network | ||||||
| PTR | ns1.up.pt | ||||||
| A | 193.137.55.30๐ต๐น RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| PTR | ns1.up.pt | ||||||
| NS | ns02.fccn.pt โ ๏ธ Not in parent delegation | ||||||
| A | 2001:690:a80:4001::200๐ต๐น RCCN2001:690::/32 The Portuguese National Research & Education Network | ||||||
| PTR | ns02.fccn.pt | ||||||
| A | 193.136.2.228๐ต๐น RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| PTR | ns02.fccn.pt | ||||||
| NS | ns2.up.pt โ ๏ธ Not in parent delegation | ||||||
| A | 2001:690:2200:a10::31๐ต๐น RCCN2001:690::/32 The Portuguese National Research & Education Network | ||||||
| PTR | ns2.up.pt | ||||||
| A | 193.137.55.31๐ต๐น RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| PTR | ns2.up.pt | ||||||
| NS | ns3.up.pt โ ๏ธ Not in parent delegation | ||||||
| A | 2001:690:2200:a10::32๐ต๐น RCCN2001:690::/32 The Portuguese National Research & Education Network | ||||||
| PTR | ns3.up.pt | ||||||
| A | 193.137.55.32๐ต๐น RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| PTR | ns3.up.pt | ||||||
| NS | ns4.up.pt โ ๏ธ Not in parent delegation | ||||||
| A | 2001:690:2200:a10::33๐ต๐น RCCN2001:690::/32 The Portuguese National Research & Education Network | ||||||
| PTR | ns4.up.pt | ||||||
| A | 193.137.55.33๐ต๐น RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| PTR | ns4.up.pt | ||||||
| MX | servicosmtp.up.pt โญ | ||||||
| A | 2001:690:2200:910::23๐ต๐น RCCN2001:690::/32 The Portuguese National Research & Education Network | ||||||
| PTR | servicosmtp.up.pt | ||||||
| MX | relay.up.pt(40) | ||||||
| A | 2001:690:2200:a10::11๐ต๐น RCCN2001:690::/32 The Portuguese National Research & Education Network | ||||||
| PTR | relay.up.pt | ||||||
| A | 193.137.55.11๐ต๐น RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| PTR | mail.up.pt | ||||||
| TXT | v=spf1 mx ip4:193.137.55.26 ip4:193.136.37.23 ip4:193.136.37.22 ~all | ||||||
| SOA | ns1.up.ptit@up.pt serial=1774438399 | ||||||
up.pt
| DNSSEC | ๐ Signed (DS record present) | ||||||
| A | 2001:690:2200:a10::13๐ต๐น RCCN2001:690::/32 The Portuguese National Research & Education Network | ||||||
| A | 193.137.55.13๐ต๐น RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| NS | ns1.up.pt โญ | ||||||
| NS | ns02.fccn.pt | ||||||
| NS | ns2.up.pt | ||||||
| NS | ns3.up.pt | ||||||
| NS | ns4.up.pt | ||||||
| MX | mx01.up.pt โญ | ||||||
| MX | mx02.up.pt โญ | ||||||
| MX | mx03.up.pt โญ | ||||||
| MX | mx04.up.pt โญ | ||||||
| MX | mx05.up.pt โญ | ||||||
| MX | mx06.up.pt โญ | ||||||
| TXT | adobe-idp-site-verification=491feeefc019f19c6030bf87ace8477470d9a78bb3e660161... | ||||||
| TXT | google-site-verification=7hF_ZD6DOKHK8MLopRWBZvby2A0gBGVQi-kvLqdkxGo | ||||||
| TXT | v=spf1 mx include:spf4.up.pt include:spf6.up.pt include:spf.protection.outloo... | ||||||
| TXT | OIIBdX0Cy1Ay7dAnhFQmuuqdTwtlthv23weewGfmKBDcfrmo2WOrjGfPx8ZFpan5QNfIvto7Jp/S5... | ||||||
| TXT | google-site-verification=eMy_WDqKW1lght0VDzrPfEFh0osBa3BtcILLuMxX5jI | ||||||
| TXT | MS=ms16675765 | ||||||
| TXT | HARICA-odgH2dLCMNQenduoC39 | ||||||
| SOA | ns1.up.ptit@up.pt serial=1775742840 | ||||||
rank #3356 globally
rank #3 in the tld
This domain name "up.pt" represents Universidade do Porto, a public university located in Porto, Portugal. It is one of the largest and most prestigious higher education institutions in Portugal. The domain name is used for the university's official website, providing various online services and information for students, faculty, and others interested in the institution.WOT: SAFE (91/100)
๐ Tranco rank: #8,834
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
โNSdns1.up.pt2015-06-01 โ 2016-01-11 ยท 4 obs
โ 2016-01-11 12:55:30
โ 2016-01-28 23:20:42
โ 2026-04-12 07:59:28
โNSdns2.up.pt2015-06-01 โ 2016-01-11 ยท 4 obs
โ 2016-01-11 12:55:30
โ 2016-01-28 23:20:42
โ 2026-04-12 07:59:28
โNSdns4.up.pt2015-06-01 โ 2016-01-11 ยท 4 obs
โ 2016-01-11 12:55:30
โ 2016-01-28 23:20:42
โ 2026-04-12 07:59:28
โNSns02.fccn.pt2026-04-10 โ 2026-04-12 ยท 3 obs
โ 2026-04-10 02:07:16
โ 2026-04-12 07:59:28
โNSns1.up.pt2016-01-28 โ 2026-04-12 ยท 3 obs
โ 2016-01-28 23:20:42
โ 2026-04-12 07:59:28
โNSns2.up.pt2016-01-28 โ 2026-04-12 ยท 3 obs
โ 2016-01-28 23:20:42
โ 2026-04-12 07:59:28
โNSns3.up.pt2016-01-28 โ 2026-04-12 ยท 3 obs
โ 2016-01-28 23:20:42
โ 2026-04-12 07:59:28
โNSns4.up.pt2016-01-28 โ 2026-04-12 ยท 3 obs
โ 2016-01-28 23:20:42
โ 2026-04-12 07:59:28
โMXmail.up.pt2015-06-01 โ 2016-04-27 ยท 4 obs
โ 2016-04-27 16:46:50
โ 2026-04-10 02:07:16
โ 2026-04-12 07:59:28
โMXrelay.up.pt2026-04-10 โ 2026-04-12 ยท 3 obs
โ 2026-04-10 02:07:16
โ 2026-04-12 07:59:28
โMXservicosmtp.up.pt2015-06-01 โ 2026-04-12 ยท 2 obs
โ 2026-04-12 07:59:28
โA193.137.26.1292015-06-01 โ 2026-04-12 ยท 2 obs
โ 2026-04-12 07:59:28
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | a.dns.pt, c.dns.pt, e.dns.pt, h.dns.pt... | - |
| up.pt | ns2.up.pt, ns4.up.pt, ns1.up.pt, ns3.up.pt... | 10 records |
โ Authoritative Response
Server:193.137.55.32
NS records: ns2.up.pt, ns4.up.pt, ns1.up.pt, ns3.up.pt, ns02.fccn.pt
๐ DNSSEC Status
๐ Secure (DNSSEC validated)
Chain of trust verified from root to domain
โฑ๏ธ Timing
Total: 832ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.137.26.129 |
| NS | 5 | ns2.up.pt, ns1.up.pt... |
| MX | 2 | servicosmtp.up.pt (pri: 10), relay.up.pt (pri: 40) |
| TXT | 1 | v=spf1 mx ip4:193.137.55.26 ip4:193.136. |
| SOA | 1 | ns1.up.pt it.up.pt |
๐ Glue Records Collected
Total: 10
In-bailiwick: 8 (ns1.up.pt, ns2.up.pt, ns3.up.pt...)
Out-of-bailiwick: 2 (ns02.fccn.pt, ns02.fccn.pt)
Analysis
IP Addresses
elearningcafe.up.pt maps to IP address 193.137.26.129.
Other host names for instance cartao.up.pt and hound.up.pt share IP numbers with elearningcafe.up.pt.
Name Servers
elearningcafe.up.pt delegates to five name servers: ns02.fccn.pt, ns1.up.pt, ns2.up.pt, ns3.up.pt and ns4.up.pt.
elearningcafe.up.pt at least partially shares name servers with other domains such as eduroam.pt, pdmd.pt, 0.75.137.193.in-addr.arpa, sigame.gov.pt and corp.fccn.pt.
These name servers are often used together with ns03.fccn.pt, ns01.fccn.pt, ns.min-financas.pt, ns3.min-educ.pt, ns4.min-educ.pt, ns5.up.pt, ns2.uevora.pt, ns.uevora.pt, dns2.uminho.pt and dns3.uminho.pt.
Two IPs per host name:
ns02.fccn.pt points to: 2001:690:a80:4001::200 and 193.136.2.228
ns1.up.pt points to: 2001:690:2200:a10::30 and 193.137.55.30
ns2.up.pt points to: 2001:690:2200:a10::31 and 193.137.55.31
ns3.up.pt points to: 2001:690:2200:a10::32 and 193.137.55.32
ns4.up.pt points to: 2001:690:2200:a10::33 and 193.137.55.33
Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)
Mail Servers
Two mail servers handle elearningcafe.up.pt: relay.up.pt and servicosmtp.up.pt.
Host names by IP count:
Two IP numbers: The host name relay.up.pt points to 2001:690:2200:a10::11 and 193.137.55.11.
One IP number: The host name servicosmtp.up.pt points to 2001:690:2200:910::23.