ipa.science - robtex.com
ipa.science
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 104.21.60.16Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.187.181🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bob.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c168🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2168🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 108.162.193.104🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 172.64.33.104🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 173.245.59.104🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| NS | lisa.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a83🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lisa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c083🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lisa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2083🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lisa.ns.cloudflare.com | ||||||
| A | 108.162.192.131🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lisa.ns.cloudflare.com | ||||||
| A | 172.64.32.131🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lisa.ns.cloudflare.com | ||||||
| A | 173.245.58.131🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lisa.ns.cloudflare.com | ||||||
| MX | mail.ipa.science ⭐ | ||||||
| A | 128.199.50.228🇳🇱 DIGITALOCEAN128.199.32.0/19 DigitalOcean | ||||||
| PTR | mail.ipa.science | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.60.16, 172.67.187.181 | ||||||
| SOA | bob.ns.cloudflare.comdns@cloudflare.com serial=2396738932 | ||||||
science
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nic.science ⭐ | ||||||
| NS | a.nic.science | ||||||
| NS | b.nic.science | ||||||
| NS | c.nic.science | ||||||
| NS | ns2.dns.nic.science | ||||||
| NS | ns3.dns.nic.science | ||||||
| SOA | ns1.dns.nic.scienceadmin@tldns.godaddy serial=1773044851 | ||||||
Subdomains
mail.ipa.science |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSbob.ns.cloudflare.com2018-09-20 → 2026-03-09 · 2 obs
● 2026-03-09 08:40:46
●NSlisa.ns.cloudflare.com2018-09-20 → 2026-03-09 · 2 obs
● 2026-03-09 08:40:46
●MXmail.ipa.science2018-09-20 → 2026-03-09 · 2 obs
● 2026-03-09 08:40:46
●A104.21.60.162026-03-04 → 2026-03-09 · 3 obs
● 2026-03-04 06:53:50
● 2026-03-09 08:40:46
○A104.27.140.1522018-09-20 → 2018-09-20 · 3 obs
○ 2026-03-04 06:53:50
○ 2026-03-09 08:40:46
○A104.27.141.1522018-09-20 → 2018-09-20 · 3 obs
○ 2026-03-04 06:53:50
○ 2026-03-09 08:40:46
●A172.67.187.1812026-03-04 → 2026-03-09 · 3 obs
● 2026-03-04 06:53:50
● 2026-03-09 08:40:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| science | a.nic.science, b.nic.science, c.nic.science, ns1.dns.nic.science... | 12 records |
| ipa.science | bob.ns.cloudflare.com, lisa.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 172.64.32.131
NS records: bob.ns.cloudflare.com, lisa.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.187.181, 104.21.60.16 |
| NS | 2 | bob.ns.cloudflare.com, lisa.ns.cloudflare.com |
| MX | 1 | mail.ipa.science (pri: 1) |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | bob.ns.cloudflare.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.science, b.nic.science, c.nic.science...)
Analysis
Hierarchy
ipa.science is the parent of mail.ipa.science.
IP Addresses
ipa.science resolves to two IP numbers: 104.21.60.16 and 172.67.187.181.
other host names including www.betpas.net, www.paohk.com, preguntaleamabel.com, thepactdoc.com and modpython.org share IP numbers with ipa.science.
Name Servers
ipa.science is delegated to two name servers bob.ns.cloudflare.com and lisa.ns.cloudflare.com.
ipa.science shares the same name server setup as other domains, for instance objectivismonline.net, atoz.fashion, 86clicks.com, infolinks.com and chillflicks.com.
ipa.science at least partially shares name servers with other domains, for instance excellentdesign.nl, altcomic.com, 3pog.com, fb-analytics.com and ham1.co.uk.
these name servers are commonly used alongside ken.ns.cloudflare.com.
Host names with six IP numbers:
Host name bob.ns.cloudflare.com points to: 2606:4700:58::adf5:3b68, 2803:f800:50::6ca2:c168, 2a06:98c1:50::ac40:2168, 108.162.193.104, 172.64.33.104 and 173.245.59.104.
Host name lisa.ns.cloudflare.com points to: 2606:4700:50::adf5:3a83, 2803:f800:50::6ca2:c083, 2a06:98c1:50::ac40:2083, 108.162.192.131, 172.64.32.131 and 173.245.58.131.
Mail Servers
ipa.science is handled by a single mail server, mail.ipa.science.
mail.ipa.science resolves to IP 128.199.50.228.