post-doc.org - robtex.com
post-doc.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:2251🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:c932🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.34.81Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.201.50🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | liz.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3abd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0bd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20bd🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 108.162.192.189🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 172.64.32.189🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 173.245.58.189🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| NS | vern.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bf3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vern.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1f3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | vern.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21f3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | vern.ns.cloudflare.com | ||||||
| A | 108.162.193.243🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vern.ns.cloudflare.com | ||||||
| A | 172.64.33.243🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vern.ns.cloudflare.com | ||||||
| A | 173.245.59.243🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vern.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.34.81, 172.67.201.50 | ||||||
| IPv6 hints | 2606:4700:3030::6815:2251, 2606:4700:3036::ac43:c932 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=245, name=cloudflare-ech.com | ||||||
| SOA | liz.ns.cloudflare.comdns@cloudflare.com serial=2399364688 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1775152428 | ||||||
Same first word
DNS History
6 records (6 active, 0 former)
●NSliz.ns.cloudflare.com2026-03-30 → 2026-04-02 · 2 obs
● 2026-04-02 18:25:36
●NSvern.ns.cloudflare.com2026-03-30 → 2026-04-02 · 2 obs
● 2026-04-02 18:25:36
●A104.21.34.812026-03-30 → 2026-04-02 · 2 obs
● 2026-04-02 18:25:36
●A172.67.201.502026-03-30 → 2026-04-02 · 2 obs
● 2026-04-02 18:25:36
●A2606:4700:3030::6815:22512026-03-30 → 2026-04-02 · 2 obs
● 2026-04-02 18:25:36
●A2606:4700:3036::ac43:c9322026-03-30 → 2026-04-02 · 2 obs
● 2026-04-02 18:25:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| post-doc.org | vern.ns.cloudflare.com, liz.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.243
NS records: vern.ns.cloudflare.com, liz.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for post-doc.org (unsigned zone)
⏱️ Timing
Total: 533ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.34.81, 172.67.201.50 |
| AAAA | 2 | 2606:4700:3036::ac43:c932, 2606:4700:3030::6815:2251 |
| NS | 2 | liz.ns.cloudflare.com, vern.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | liz.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
post-doc.org resolves to four IPs: 2606:4700:3030::6815:2251, 2606:4700:3036::ac43:c932, 104.21.34.81 and 172.67.201.50.
Other host names, for instance games2people.com, iaugus.com, federalbudgetinpictures.com, mail.bartamanmagazines.com and 404domain.com share IP numbers with post-doc.org.
Name Servers
post-doc.org has two name servers: liz.ns.cloudflare.com and vern.ns.cloudflare.com.
post-doc.org shares the same name server setup as other domains, for example postdoc.info, higheredmedia.com, americareer.com, postdoctor.com and utemps.com.
post-doc.org shares some name servers with other domains, for example 925644.com, zaranikas.gr, elkhorncorp.com, casesystems.com and linchen.com.br.
These name servers are commonly used together with guy.ns.cloudflare.com and mona.ns.cloudflare.com.
Host names with six IP numbers: liz.ns.cloudflare.com points to: 2606:4700:50::adf5:3abd, 2803:f800:50::6ca2:c0bd, 2a06:98c1:50::ac40:20bd, 108.162.192.189, 172.64.32.189 and 173.245.58.189; vern.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf3, 2803:f800:50::6ca2:c1f3, 2a06:98c1:50::ac40:21f3, 108.162.193.243, 172.64.33.243 and 173.245.59.243.