scielo.pt - dns.ninja
scielo.pt
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.137.197.37🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| PTR | www.scielo.pt | ||||||
| NS | ns01.fccn.pt ⭐ | ||||||
| A | 2001:690:a00:4001::200🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network | ||||||
| PTR | ns01.fccn.pt | ||||||
| A | 193.136.192.40🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| PTR | ns01.fccn.pt | ||||||
| NS | ns02.fccn.pt | ||||||
| A | 2001:690:a80:4001::200🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network | ||||||
| PTR | ns02.fccn.pt | ||||||
| A | 193.136.2.228🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| PTR | ns02.fccn.pt | ||||||
| NS | ns03.fccn.pt | ||||||
| A | 2001:4ca0:106:0:250:56ff:fea9:3fd🇩🇪 MWN-AS2001:4ca0::/29 Leibniz-Rechenzentrum Muenchen | ||||||
| PTR | ns03.fccn.pt | ||||||
| A | 138.246.255.249🇩🇪 MWN-AS138.246.0.0/16 LMU-WIFO-INK | ||||||
| PTR | ns03.fccn.pt | ||||||
| MX | smtp01.fccn.pt ⭐ | ||||||
| A | 2001:690:2080:8005::38🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network | ||||||
| PTR | smtp01.fccn.pt | ||||||
| A | 193.137.198.38🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| MX | smtp02.fccn.pt ⭐ | ||||||
| A | 2001:690:2080:8005::39🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network | ||||||
| PTR | smtp02.fccn.pt | ||||||
| A | 193.137.198.39🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET | ||||||
| TXT | v=spf1 ip4:193.137.198.38 ip4:193.137.198.39 ip6:2001:690:2080:8005::38 ip6:2... | ||||||
| TXT | HARICA-vyCLPB9GTQtZKIGyq1r | ||||||
| TXT | google-site-verification=ZPeQme1-aI0sTAV05uqLwiy5Uh5S-wFBcP-htL5mviw | ||||||
| SOA | ns01.fccn.ptdns-tec@fccn.pt 2026-03-03 #1 | ||||||
pt
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | curiosity.dns.pt ⭐ | ||||||
| NS | a.dns.pt | ||||||
| NS | b.dns.pt | ||||||
| NS | c.dns.pt | ||||||
| NS | d.dns.pt | ||||||
| NS | e.dns.pt | ||||||
| NS | g.dns.pt | ||||||
| NS | h.dns.pt | ||||||
| NS | ns.dns.br ⚠️ Not in parent delegation | ||||||
| NS | ns2.nic.fr ⚠️ Not in parent delegation | ||||||
| SOA | curiosity.dns.ptrequest@dns.pt 2026-07-05 #24 | ||||||
rank #838 in the tld
📈 Tranco rank: #478,473
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●A193.137.197.372026-02-27 → 2026-07-05 · 2 obs
● 2026-07-05 11:24:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt... | - |
| scielo.pt | ns02.fccn.pt, ns01.fccn.pt, ns03.fccn.pt | 6 records |
✅ Authoritative Response
Server:193.136.192.40
NS records: ns02.fccn.pt, ns01.fccn.pt, ns03.fccn.pt
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for scielo.pt (unsigned zone)
⏱️ Timing
Total: 499ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.137.197.37 |
| NS | 3 | ns01.fccn.pt, ns03.fccn.pt... |
| MX | 2 | smtp02.fccn.pt (pri: 10), smtp01.fccn.pt (pri: 10) |
| TXT | 3 | HARICA-vyCLPB9GTQtZKIGyq1r, v=spf1 ip4:193.137.198.38 ip4:193.137.19... |
| SOA | 1 | ns01.fccn.pt dns-tec.fccn.pt |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns03.fccn.pt, ns02.fccn.pt, ns01.fccn.pt...)
Analysis
Hierarchy
win.scielo.pt and www.scielo.pt each fall under scielo.pt as their parent domain.
IP Addresses
scielo.pt resolves to just one IP address, 193.137.197.37.
Other host names, such as scielo.mec.pt, share IP numbers with scielo.pt.
Name Servers
scielo.pt is delegated to three name servers: ns01.fccn.pt, ns02.fccn.pt and ns03.fccn.pt.
There is at least partial name server overlap between scielo.pt and other domains — 255.136.193.in-addr.arpa, tomba.fccn.pt, emgfc.mai.gov.pt and two more among them.
These name servers regularly appear alongside ns.min-financas.pt, netns.fccn.pt, ns1.up.pt and 7 other name servers in NS record sets.
ns01.fccn.pt, ns02.fccn.pt and ns03.fccn.pt each resolve to two IP addresses: ns01.fccn.pt resolves to 193.136.192.40 and 2001:690:a00:4001::200; ns02.fccn.pt resolves to 193.136.2.228 and 2001:690:a80:4001::200; ns03.fccn.pt resolves to 138.246.255.249 and 2001:4ca0:106:0:250:56ff:fea9:3fd.
Mail Servers
scielo.pt is served by two mail servers, smtp01.fccn.pt and smtp02.fccn.pt.
Among the domains sharing a mail server setup with scielo.pt are nau.edu.pt, fct.pt, rcts.pt and two others.
scielo.pt and other domains — cert.rcts.pt for instance — share at least some mail servers.
These mail servers often co-occur with the mail servers mx.cert.rcts.pt.
smtp01.fccn.pt and smtp02.fccn.pt each resolve to two IP addresses: smtp01.fccn.pt points to 193.137.198.38 and 2001:690:2080:8005::38, while smtp02.fccn.pt points to 193.137.198.39 and 2001:690:2080:8005::39.