ipa.science - dns.ninja
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 hints | 104.21.60.16, 172.67.187.181 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com | ||||||
| SOA | bob.ns.cloudflare.comdns@cloudflare.com serial=2411221275 | ||||||
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=1785899980 | ||||||
Subdomains
mail.ipa.science |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSbob.ns.cloudflare.com2018-09-20 → 2026-08-05 · 2 obs
● 2026-08-05 04:48:34
●NSlisa.ns.cloudflare.com2018-09-20 → 2026-08-05 · 2 obs
● 2026-08-05 04:48:34
●MXmail.ipa.science2018-09-20 → 2026-08-05 · 2 obs
● 2026-08-05 04:48:34
●A104.21.60.162026-03-04 → 2026-08-05 · 3 obs
● 2026-03-04 06:53:50
● 2026-08-05 04:48:34
○A104.27.140.1522018-09-20 → 2018-09-20 · 3 obs
○ 2026-03-04 06:53:50
○ 2026-08-05 04:48:34
○A104.27.141.1522018-09-20 → 2018-09-20 · 3 obs
○ 2026-03-04 06:53:50
○ 2026-08-05 04:48:34
●A172.67.187.1812026-03-04 → 2026-08-05 · 3 obs
● 2026-03-04 06:53:50
● 2026-08-05 04:48:34
🔍 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:108.162.193.104
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: 413ms | 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
mail.ipa.science is delegated beneath ipa.science.
IP Addresses
ipa.science has two IP addresses: 104.21.60.16 and 172.67.187.181
Among the host names that share IP numbers with ipa.science are jewelryever.com, www.paohk.com, casino-lemon.io and two others.
Name Servers
Two name servers handle the delegation for ipa.science: bob.ns.cloudflare.com and lisa.ns.cloudflare.com.
ipa.science has the same name server delegation as a number of other domains, such as glorious-light.net, objectivismonline.net, atoz.fashion and two more.
There is at least partial name server overlap between ipa.science and other domains — excellentdesign.nl, altcomic.com, stonehenge.org.uk and two more among them.
These name servers are routinely deployed together with the name servers ken.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
bob.ns.cloudflare.com resolves to 108.162.193.104, 172.64.33.104 and 173.245.59.104 among others, with 3 other IP addresses in total.
lisa.ns.cloudflare.com resolves to 108.162.192.131, 172.64.32.131 and 173.245.58.131 among others, with 3 other IP addresses in total.
Mail Servers
ipa.science routes its mail through a single mail server, mail.ipa.science.
mail.ipa.science carries a single IP number, which is 128.199.50.228.